مسبوكات صناعية دقيقة
تصفح مجموعتنا الكاملة من حلول السبك. فلتر حسب المادة أو القطاع أو ابحث باسم المنتج.
Railway
Adapter plates / pedestal liners / wedges / wear liners
Cast steel / SG iron / bronze (liners)
Contact surface hardness per spec
Heavy Equipment
Axle housing casting (off-highway truck, ~2495 lbs)
Cast Steel ASTM A27 Gr70-40 / A148 Gr80-50; Low alloy 4340 equivalent for heavy-duty
Axle bore concentricity and perpendicularity critical. Gear tooth contact pattern after assembly. Shot blast + epoxy paint.
Cement
Ball mill liner / lifter bar (raw ball mill)
Mn14Cr2 / 27%Cr white iron (same as mining ball mill)
Same product as mining ball mill liner. Cement raw ball mills: typically two-compartment – coarse (Mn steel or Hi-Cr) and fine (Hi-Cr) compartments.
Water & Desalination
Brine recirculation pump casing & impeller
Duplex SS ASTM A890 Gr4A (CD3MN); Super Duplex Gr5A for high temp brine
High temperature brine (+90°C MSF / +70°C MED) – duplex SS with adequate PREN. NACE guidelines for H₂S traces in brine.
Oil & Gas
Butterfly valve body (large-bore pipeline, Class 150/300)
Cast Steel WCB; WC9; CF8M (SS); Duplex CD4MCu (sour/seawater)
API 6D / EN 593. Large bore butterfly valves (DN300+) – cast body economical vs forged. NACE MR0175 for duplex. Hard-faced or SS disc.
Energy & Power
Exhaust hood / diffuser castings (LP turbine exhaust)
Cast steel A216 WCB / A27 Gr70-40; Cast Stainless CF8 (for marine)
Large castings (often 2–4 tonne+). Surface finish on diffuser critical. Welded assembly of split sections common.
Mining & Crushers
Jaw crusher frame / pitman body casting
Cast Steel ASTM A27 Gr70-40 / A148 Gr80-50; Heavy section low-alloy steel
Structural frame – fatigue in cyclic crushing load. Heavy section (wall thickness >50mm common). Casting soundness class specified per applicable standard.
Water & Desalination
Air release / air vacuum valve body (rising mains, GCC cross-country pipeline)
Ductile Iron GJS-500-7; SS CF8M (aggressive / desalinated water)
EN 1074-4 / AWWA C512. Float: SS 316L. Seat: EPDM. WRAS / NSF 61. Critical on undulating GCC desert pipeline profiles.
Railway
Air reservoir bosses & integral cast manifolds
Cast steel / SG iron
Pressure integrity
Cement
Apron feeder pan / impact plate (raw material feeding)
Cast Steel ASTM A27 / A148 (structural pan); Mn steel or AR450 overlay (wear zones)
Apron feeder carries blasted limestone from primary crushing. Impact load at loading point – Mn liners or AR450 plate overlay. Structural pan: standard cast steel.
Heavy Equipment
Arm casting (excavator attachment arm, ~576 lbs, ZX-650 / EX1200)
Cast Steel ASTM A148 Gr105-85 / Gr120-95 (high strength for fatigue)
Fatigue critical – excavation loading. Pin bore tolerance and perpendicularity to arm axis critical. Charpy impact test at −20°C recommended. PPAP for production parts.
Railway
Automatic brake valve/manifold housings
Aluminum / stainless / SG iron
Fluid cleanliness & sealing surfaces
Railway
Axlebox housings / bearing housings (cast versions)
Cast steel / SG iron
Bearing fit tolerances critical
Railway
Balise/antenna cast bases & enclosures
Cast aluminum / SG iron
EMC & sealing
Mining & Crushers
Ball mill liner / lifter bar
27%Cr Hi-Chrome white iron (dominant for hard ore / high ball charge); Mn14Cr2 (impact-moderate); Cr15MoNi martensitic
Weight: 5–200 kg. Hi-chrome white iron: eutectic carbide volume 30–45%. Hardness 600–700 HBN. Life measured in tonnes ground per tonne of liner. OEM or end-user defines material grade.
Water & Desalination
Ball valve body (DN15–DN200, instrument / control service)
Carbon Steel ASTM A216 WCB; SS CF8M (304) / CF3M (316L); Ductile Iron (utility sizes)
API 6D / ASME B16.34. FBE for potable service. Fire-safe design to API 607 where required.
Energy & Power
Bearing housing & oil seal castings (gas turbine front & rear)
Cast steel A216 WCB; Aluminium (auxiliary / accessory frames)
Oil system integrity critical. IP55 sealed design. Oil contamination limits per OEM spec.
Mining & Crushers
Blow bar (impact crusher rotor bar)
Hadfield Mn steel Mn14Cr2 (high impact, softer material); 27%Cr Hi-Chrome White Iron (high abrasion, harder rock); Martensitic white iron Cr15MoNi (balanced)
Most common replacement part in impact crushers – high wear rate. Blow bar weight: 10–200 kg. Cr content drives hardness: 27%Cr = ~650 HBN. Match material to feed: Mn for soft high-impact feed; Hi-Cr for hard abrasive rock. Balance weight within set of bars critical.
Energy & Power
Boiler feed pump casing (high pressure BFP)
Carbon Steel ASTM A216 WCB (low pressure); Alloy Steel A217 WC6 (HP boiler feed service)
API 610 (OH2 / BB3 type). ASME B73 / EN standards. Inlet: suction conditions up to 180°C. Wall thickness per ASME VIII / EN 13445.
Railway
Bolsters / transoms / crossmembers
Cast steel
Center bowl, column wear faces
Oil & Gas
Booster / charge pump casing (gas compression trains, LNG)
LCC (ASTM A352 low carbon low temp CS); CF8M SS; CF3M (316L) for cryogenic LNG service
API 610. LNG service: cryogenic testing at design temperature. Charpy energy min per API 610. No PWHT exemption for LCC.
Heavy Equipment
Boss casting (~469 lbs)
Cast Steel A148 Gr80-50 / Gr105-85; low alloy
Welded-in boss or integrated boss in boom/arm assembly. Pin bore – H8/h7 tolerance. Weld preparation per EN 15085 or AWS D1.1.
Mining & Crushers
Bowl liner (concave) – outer crushing surface (stationary)
Hadfield Mn steel ASTM A128 Gr B-3 / Mn14Cr2 / Mn18Cr2; 27% Cr white iron
Must be matched profile to mantle – gap uniformity critical for product gradation. Common material: Mn14Cr2 for most quarry applications. Cr content improves resistance to polishing wear.
Heavy Equipment
Bracket – center support (~500 lbs); Rear support (~2314 lbs)
Cast Steel A27 Gr70-40 / A148 Gr80-50
Structural attachment to mainframe. Weld-on or bolted interfaces as designed. OEM drawing controlled.
Railway
Brake beam ends / hanger brackets (cast)
Cast steel
Compatible with rigging geometry
Railway
Brake cylinder bodies / covers
SG iron / cast steel / stainless (fluids)
Leak & burst per standard
Railway
Brake disc hubs (cast type)
Cast steel / SG iron
Disc mounting tolerances
Railway
Brake rigging links / levers / hangers / equalizers
Cast steel
High fatigue areas
Cement
Bucket elevator boot / head section castings (raw meal, clinker, cement)
Cast Steel A27 Gr70-40 (structural); Wear-resistant cast steel / Mn liner for high abrasion zones (clinker)
Clinker bucket elevator: high abrasion + elevated temperature (clinker 100–200°C at elevator). Liner plates: replaceable Mn steel or Hi-Cr white iron plates. Boot section: high impact from falling clinker.
Heavy Equipment
Bucket tooth adapter (cast steel, ground engagement tool)
Alloy Cast Steel Cr-Mo-B grade; 35CrMnSiA equivalent; some Hadfield Mn for extreme duty
GET (Ground Engagement Tool). Tooth/adapter interface geometry: Caterpillar J-series, Komatsu Tooth system, Esco etc. – pattern controlled. Surface hardness by heat treatment not weld overlay.
Railway
Buffers & buffer housings (UIC/EU)
Cast steel
Force & stroke compliance
Water & Desalination
Bulk water meter body (DN50–DN300, electromagnetic / Woltmann)
Ductile Iron GJS-500-7 (DN80+); Bronze CC491K low-lead (DN50–DN80)
ISO 4064 / EN 14154. OIML R49. WRAS / NSF 61. Low-lead bronze (<0.25% Pb) mandatory. GCC: SASO 1784 reference.
Water & Desalination
Butterfly valve body (DN200–DN1200 pipeline duty)
Ductile Iron GJS-500-7 (dominant in GCC distribution); CS WCB (high pressure)
EN 593 / ISO 10631. AWWA C504. Disc in SS 316 or coated DI. EPDM seat (WRAS / NSF 61). FBE body coating.
Railway
Caliper bodies & caliper brackets (disc brakes)
Cast steel / SG iron
Thermal capacity considerations
Heavy Equipment
Cap bearing casting (~43 lbs)
Cast Steel A27 / A148 Gr80-50; some designs in ductile iron GJS-500-7
Small precision casting – dimensional accuracy on bearing bore critical. Investment casting option for improved surface finish.
Railway
Cardan shaft guard housings (cast guards)
Cast steel / aluminum
Rotational clearance
Railway
Cast corner/branch nodes
Cast steel / stainless
Welded into carbody per EN 15085 at integrator
Railway
Cast grout/anchor housings & cover plates
Cast steel / aluminum
Corrosion protection
Railway
Cast heel blocks & fishplate substitute castings
Cast steel
Special layouts
Cement
Cement ball mill liner / lifter bar (finish grinding)
27%Cr Hi-Chrome white iron (fine grinding, high ball charge); Mn14Cr2 (coarser first compartment)
Cement ball mills: very fine grinding – Hi-Cr white iron dominates. Cement abrasiveness (Blaine surface area 3000–5000 cm²/g). OEM: FLSmidth, Polysius, KHD, Gebr. Pfeiffer – drawing controlled.
Railway
Center plates / center bowls / bowl liners / wear rings
Cast steel; wear rings sometimes Mn steel
Hard-facing / wear coatings per drawing
Oil & Gas
Centrifugal compressor casing (barrel type, horizontally split)
Cast Steel ASTM A216 WCB; WC6 (Cr-Mo, high pressure / temperature); LCC (cold service); CF8M (corrosive gas)
API 617 (centrifugal compressors). ASME VIII for PV components. NACE MR0175 for sour gas. ⚠ Impeller: FORGED not cast in API 617 service for rotating parts at speed.
Oil & Gas
Centrifugal process pump casing (API 610 OH2 / BB1 / BB3 types)
Cast Steel ASTM A216 WCB (standard service); A217 WC6/WC9 (high temp); CF8M / CF3M (316/316L SS) for corrosive; CD4MCu duplex (sour/chloride)
API 610 (12th ed) primary standard. BB3 for high-pressure multistage. NACE MR0175 for sour service (hardness limits: CS <22 HRC, SS <22 HRC austenitic not restricted but check). EN 10204 3.2. Impeller: SS CF8M or duplex cast + dynamically balanced.
Oil & Gas
Centrifugal pump impeller (API 610 service)
CF8M (316SS) cast; CD4MCu duplex; Super Duplex A890 Gr5A; Bronze CC333G (non-H₂S utility)
API 610. Wear ring clearances per API 610 Table C.1. PMI mandatory for all wetted parts in sour service. NACE MR0175 hardness compliance.
Water & Desalination
Check (non-return) valve body (swing / dual plate / tilting disc)
Ductile Iron GJS-500-7; Carbon Steel WCB; Bronze CC491K (small bore)
EN 12334 / AWWA C508. Disc / flap: SS 316L. Hinge pin: duplex SS or bronze. WRAS for potable.
Railway
Check-rail brackets / check chairs (cast)
Cast steel / SG iron
Gauge control parts
Water & Desalination
Chemical dosing valve & injector bodies (chlorine, antiscalant, acid)
Stainless Steel CF8M (316SS) / CF3M (316L); Titanium Grade 2 (HCl acid service)
Potable / process water – NSF 61 or WRAS approval required where applicable. Full material traceability EN 10204 3.2.
Oil & Gas
Choke valve body (wellhead / christmas tree utility service)
Cast Steel WCB / WC6; CA6NM (13Cr-4Ni, erosion resistant); duplex SS
API 6A (wellhead chokes). Trim: tungsten carbide or Stellite hard-facing for erosion resistance. CA6NM: quench & temper; hardness <23 HRC (NACE).
Cement
Clinker breaker hammer (clinker size reduction before cooler)
Hadfield Mn steel Mn14Cr2 / Mn18Cr2 (impact dominant); Hi-Cr white iron 27%Cr (abrasion dominant)
Clinker temperature: 200–600°C at breaker entry. Material must handle impact at elevated temperature. Mn steel: hardness reduces at >300°C – Hi-Cr white iron preferred for high-temp breakers.
Cement
Clinker cooler grate bar / cast bar (roller-type cooler)
26Cr-1Mo martensitic cast iron; Cr28 white iron; heat-resistant austenitic steel
Roller cooler design (Polysius REFLEX, Claudius Peters): cast bars on roller frames. Temperature gradient lower than grate but still significant abrasion + thermal cycling.
Cement
Clinker cooler grate plate (moving grate cooler)
Heat-resistant cast steel: Cr25Ni12 (HH grade); Cr35Ni25 (HP grade); 25Cr-20Ni for >1000°C zones; Martensitic Cr28 for cooler end
Grate plates operate at 600–1000°C in clinker flow. High thermal shock + abrasion environment. Material selection: hotter zones = higher Ni content. Slot pattern controls clinker flow. LOMA / IKN / FLSmidth grate coolers – OEM drawing controlled. Casting quality (no cracks) critical – thermal shock will propagate existing defects.
Energy & Power
Combustor transition piece (cast liner components)
Nickel-based cast alloy (IN718 / IN738 for hot section) – investment cast
⚠ CASTING NOTE: hot gas path parts are precision investment cast nickel alloys – distinct from sand/steel casting. DS and SX blades are OEM-proprietary. Aftermarket repair by HVOF/diffusion brazing.
Energy & Power
Compressor casing sections (axial flow compressor)
Cast steel ASTM A356 Gr8 / A217 C12A (Cr9Mo1) for high-temp; Ti alloys not cast – forged
⚠ FORGING NOTE: rotating blades & discs are forged not cast. Casings are cast. Ti used only as forgings. Cr9Mo1 for high-temp compressor stages.
Railway
Compressor cylinder heads / bodies
Cast iron / aluminum
Cooling & sealing
Oil & Gas
Compressor suction / discharge nozzle castings & inlet guide vane housings
Cast Steel WCB / WC6; CF8M (corrosive gas)
API 617. Nozzles: ASME B16.5 / B16.47 flanges. Guide vane position accuracy critical for aero performance.
Energy & Power
Condenser waterbox & hotwell castings (steam condensers)
Cast Steel A216 WCB; Ductile Iron GJS-400-18; Naval Brass / CuNi (seawater cooled)
Seawater-cooled condenser in GCC: CuNi 90/10 or titanium tube plates (machined not cast). Hotwell: low carbon steel with FBE lining.
Mining & Crushers
Cone / mantle liner (inner crushing surface – rotating cone)
Hadfield Mn steel ASTM A128 Gr B-3 (Mn14Cr2); Mn18Cr2 for medium-hard rock; 27%Cr white iron for highly abrasive low-impact
Profile accuracy critical – crushing gap geometry determines product size. Mn steel work-hardens under compressive impact. Mn18Cr2 suitable for harder rock (granite, basalt). White iron: abrasive low-impact ores (silica sand, limestone).
Railway
Converter / inverter cast housings & heatsink bodies
Aluminum (common) / cast steel
EMI/thermal requirements
Cement
Cooler side wall / support casting
Cast Steel A216 WCB; Heat-resistant Cr25 for hot zone side walls
Structural + some thermal exposure. Hot zones: wear/oxidation-resistant alloy. Cold zones: standard cast steel.
Energy & Power
Cooling water pump casing (CWP – circulating water system)
Ductile Iron GJS-500-7 (fresh / brackish water); Super Duplex A890 Gr5A (seawater)
API 610 or AWWA. GCC seawater cooling towers: super duplex mandatory. Internal rubber lining or FBE for DI in seawater service.
Railway
Coupler bodies (E/F/rotary/transit) – cast versions
Cast steel (AAR grades)
Meets AAR/AREMA drawing; fit with yoke
Railway
Coupler knuckles (cast variants)
Cast steel
Forged variants also exist; confirm design
Railway
Coupler pocket / buffer beam castings
Cast steel
Interface to coupler/buffer
Railway
Coupler pockets / draft pockets (carbody end)
Cast steel
Absorption/anticlimber interfaces
Cement
Crusher jaw plate / cone liner (limestone primary/secondary)
Hadfield Mn steel ASTM A128 Gr B-3; Mn18Cr2 for hard limestone / flint-bearing
Same specification as mining jaw plates – Mn steel ASTM A128 reference. Cement plants: typically jaw or gyratory primary + impact or cone secondary. Material selection same as quarry.
Railway
Custom shop jigs/fixtures as castings
Cast iron / cast steel
Internal fixtures
Railway
Dampers’ cast lugs / brackets / reaction blocks
Cast steel
Weld-on or bolted interfaces
Railway
Detector box housings / covers
Cast aluminum / SG iron
Ingress protection
Energy & Power
Diesel generator / emergency generator housing castings
Grey Cast Iron GJL-250 (crankcase / cylinder block); Cast Steel (support frames)
ISO 3046 (diesel gen sets). GCI cylinder block: EN-GJL-250 with pearlitic microstructure. Machining tolerances for bore and crankshaft journals critical.
Railway
Direct-fixation cast baseplates / chairs
Cast steel / SG iron
System-specific base geometry
Water & Desalination
Distillate / condensate pump casing (low salinity)
CF8M (316L SS); Ductile Iron GJS-400-18 with FBE (lower cost option for distillate)
Low salinity distillate – lower corrosion risk than SW feed. NSF 61 approval for potable distillate output.
Water & Desalination
Domestic water meter body (DN15–DN40)
Bronze / Gunmetal CC491K (low lead); DZR brass (cast versions)
ISO 4064 Class C. Low-lead (<0.25% Pb) mandatory GCC / EU. NSF/ANSI 61.
Railway
Door operator housings / gearbox bodies / arms
SG iron / aluminum
Transit duty cycles
Railway
Draft gear housings / pockets / follower blocks
Cast steel
Interfaces to striker/drawbar
Railway
Drainage grates/covers (rail-duty)
SG iron
Track/depot drainage
Railway
Draw-gear castings (non-AAR)
Cast steel
Regional specs
Heavy Equipment
Drop tube casting (off-highway truck, ~179 lbs)
Cast Steel ASTM A27 Gr70-40 / A148 Gr80-50
OEM dimensional controlled. Surface: epoxy primer. Interface machining to critical tolerances.
Water & Desalination
Ductile iron flanged fittings (tees, elbows, reducers, bends – DN80–DN1200)
Ductile Iron EN-GJS-500-7 / ISO 2531 C-class
EN 545 / ISO 2531. Internal CML (ISO 4179) or FBE. External zinc (200g/m²) + bitumen (ISO 8179). Flanges to EN 1092-2. GCC: SASO 1063 / ISO 2531 reference.
Mining & Crushers
Eccentric body casting (cone crusher eccentric shaft housing)
Cast Steel ASTM A27 Gr70-40 / A148 Gr80-50; some in ductile iron GJS-500-7
Eccentric bore geometry: OD and ID must be accurately concentric and positioned. Drives gyrating motion of cone. Bronze bushing press-fit into bore – bore tolerance H7.
Energy & Power
Economiser / superheater header end-cap castings
Carbon Steel ASTM A216 WCB; Cr-Mo Steel A217 WC6
ASME Section I (power boilers) or EN 12952. Weld end preparation per ASME B16.25. Full MTC EN 10204 3.2.
Railway
End frames / anticlimber castings / energy-absorption nodes
Cast steel
Crash performance per spec
Water & Desalination
End-suction centrifugal pump casing (utility / distribution booster)
Ductile Iron GJS-400-15 / GJS-500-7
ISO 2858 / EN 22858. Back pull-out design standard. Internal FBE or epoxy (NSF 61). Wear rings: SS 304.
Water & Desalination
Energy recovery device (ERD) housings / rotary pressure exchanger bodies
Super Duplex SS A890 Gr5A; ceramic-lined ductile iron (some legacy designs)
Running clearances very tight – CMM verification mandatory. Seawater duty – PREN >40 required.
Railway
Equipment box cast lids / covers / hinge bases
Aluminum / SG iron
Fit & sealing
Mining & Crushers
Feeder trough / pan liner (apron / grizzly feeder)
Hadfield Mn steel Mn13Cr2 / Mn14Cr2; 27%Cr white iron (fine abrasive feed)
Grizzly feeder fingers: Mn steel (tough, work-hardens). Apron pan liners: material matched to feed type. Bolt-on replaceable design.
Water & Desalination
Filter underdrain / diffuser nozzle castings
Grey Cast Iron GJL-250; SS 316L (chemical dosing zones)
Material must be chlorine resistant (GCC uses high chlorine doses). SS preferred in chlorination contact zones.
Water & Desalination
Flange adaptors & couplings (transition between pipe materials)
Ductile Iron GJS-500-7
EN 545 / ISO 2531. WIS 4-24-01 (UK ref). EPDM gaskets. SS 316 bolting for buried / submerged. Accommodates DI-to-HDPE / DI-to-steel transitions.
Railway
Floormount/seat pedestals (cast versions)
Cast steel / SG iron
Passenger loads
Heavy Equipment
Frame support casting (off-highway truck, ~926 lbs)
Cast Steel ASTM A148 Gr105-85 / ASTM A27 Gr70-40; Low alloy cast steel (0.3C-1Mn-0.5Mo)
OEM drawing controlled (CAT, Komatsu, Liebherr, HITACHI reference). High cycle fatigue at frame joints – casting soundness class to ASTM E446 Level 2 or better. Shot blast + epoxy primer.
Railway
Frog heel blocks / transition castings
Cast steel / Mn steel
Fit to rails
Heavy Equipment
Front wheel hub casting (~1726–1755 lbs)
Cast Steel ASTM A148 Gr105-85; Low alloy steel (Mn-Cr-Mo)
Large haul truck (150–400 tonne payload). Hub bore and flange face perpendicularity critical for wheel assembly. Fatigue classification per OEM.
Water & Desalination
Gate valve body & bonnet (mainline isolation, DN50–DN600)
Ductile Iron EN-GJS-500-7 (PN16–PN25); Carbon Steel ASTM A216 WCB (PN40+); SS CF8M for aggressive service
EN 545 / ISO 2531 for DI. AWWA C500 (US). FBE internal coating to NSF 61 / WRAS for potable. Buried: zinc + bitumen external. EN 10204 3.1 cert minimum.
Oil & Gas
Gate valve body & bonnet – Class 150/300 (pipeline, wellhead utility)
Carbon Steel ASTM A216 WCB (Class 150/300); LCC (low temp); WC6/WC9 (Cr-Mo, high temp); CF8M / CF3M SS (sour/corrosive); CA15 (13Cr, moderate sour)
API 600 (steel gate valves). ASME B16.34. NACE MR0175 / ISO 15156 for sour service (H₂S). Note: Class 600 and above gate valve bodies are TYPICALLY FORGED not cast – verify PO/drawing. EN 10204 3.2 MTC mandatory.
Railway
Gearbox / gearcase housings & covers
Cast steel / SG iron / aluminum
Noise & sealing surfaces
Oil & Gas
Globe valve body – Class 150/300 (control, throttling, utility)
Cast steel ASTM A216 WCB; CF8M (316 SS); WC9 (high temp service)
API 623 (cast steel globe valves). ASME B16.34. Trim: 316SS / Stellite 6 hard-facing. NACE MR0175 (sour). Note: high-pressure Class 600+ bodies typically forged.
Energy & Power
Governor / control valve body (steam admission valves)
Cast steel ASTM A217 WC6 / WC9; SS CF8M for erosive wet steam
ASME B16.34 valve rating. Stellite hard-facing on seating faces. EN 10204 3.2 cert.
Heavy Equipment
H-Link casting (~621 lbs)
Cast Steel A148 Gr105-85 / Gr120-95
Two-pin geometry – both bore centres and parallel alignment critical. Fatigue life dominated by casting soundness and bore geometry.
Railway
HVAC compressor/pump housings / valve bodies
SG iron / stainless / aluminum
Fluid cleanliness
Mining & Crushers
Hammer / beater (hammer mill)
Hadfield Mn steel ASTM A128 Gr B-3 (high impact soft material); 27%Cr white iron (abrasive); Martensitic Cr15
Smaller than blow bars. Pivot pin hole must be accurate for pin clearance and balance. Hammers run in sets – matched weight important for rotor balance.
Cement
Hammer crusher hammer / beater (limestone, clay, shale)
Hadfield Mn steel Mn14Cr2 / Mn18Cr2 (primary crushing, impact dominant); 27%Cr white iron (secondary, abrasive)
Cement raw material crushing: limestone (soft-medium), clay (soft), shale (medium). Mn steel suitable for most; Hi-Cr for high-silica abrasive feed. Pin hole geometry: matched to rotor disc. Weight-matched sets for rotor balance.
Railway
Handbrake housings / ratchet bodies
Cast steel / SG iron
Corrosion protection
Water & Desalination
Heat transfer chamber / flash chamber nozzle castings
Carbon Steel ASTM A216 WCB (clad) / CF8M SS (small nozzles)
ASME VIII pressure vessel code. Weld overlay / cladding often applied post-casting for corrosion surfaces.
Water & Desalination
High-pressure pump casing (RO feed, 60–80 bar)
Super Duplex SS ASTM A890 Gr5A; Duplex CD4MCu for moderate chloride
API 610 pump standard. NACE MR0175 sulfide stress cracking requirements not typical but SS grade selection per seawater corrosion resistance (PREN >40 for super duplex).
Water & Desalination
Horizontal split-case pump casing (main transmission pumping stations)
Ductile Iron GJS-400-18 / GJS-500-7; Carbon Steel WCB (high head booster)
ISO 9906 / ANSI HI 1.1. API 610 for high pressure. Internal FBE or CML (NSF 61 / WRAS). Impeller SS CF8M or duplex.
Railway
Hydraulic damper end-cap castings / housings
Cast steel / SG iron / aluminum
Seal bores critical
Heavy Equipment
Idler casting (front idler / carrier roller)
Cast Steel A148 Gr80-50 / Gr105-85; Alloy steel for wear
Track contact surface hardness and concentricity critical. Sealed and lubricated roller bearing interface machined to H7.
Mining & Crushers
Impactor plate / apron liner (impact crusher apron / back plate)
Hadfield Mn steel Mn13Cr2 / Mn14Cr2; 27%Cr white iron; Martensitic Cr15MoNi
Receives impact from fly rock after blow bars. Material selection: same logic as blow bars. Geometry designed to direct material flow and maintain crushing action.
Railway
Interior hardware cast brackets
Aluminum / SG iron
Aesthetic finish where exposed
Mining & Crushers
Jaw crusher toggle block / toggle seat (cast)
Cast steel ASTM A27 Gr70-40 or A148 Gr80-50
Toggle transmits crushing force – high compressive load. Cast steel (not Mn) – high compressive strength required not wear resistance.
Mining & Crushers
Jaw plate (fixed jaw / swing jaw) – primary and secondary
Hadfield Manganese Steel (Mn13Cr2): ASTM A128 Gr B-3 (Mn13Cr2); Mn14Cr2; Mn18Cr2 (high abrasion) ; Mn22 (impact-dominant)
ASTM A128 Gr B-3 or Gr C. Water quench heat treatment CRITICAL – non-quenched Mn steel is brittle. Work-hardening surface in service: 200–550 HV from ~175 HBW as-cast. Jaw profile: straight, corrugated, or wave per crusher model. Weight: 50–2000 kg each depending on crusher size.
Railway
Junction box castings / cable gland bodies
Cast aluminum / stainless / SG iron
Electrical clearances
Railway
Junction/terminal boxes / cable gland bodies
Aluminum / SG iron / stainless
Ingress protection (IP)
Cement
Kiln girth gear (large open gear – ring gear)
Cast Steel: ASTM A148 Gr80-50 / SAE 0050 A; Some designs: ductile iron GJS-700-2 (smaller kilns)
Among the largest gears in industry – split into 2 halves for assembly. Tooth profile accuracy (DIN 4 or AGMA 6): critical for gear life. Matched pinion required – normally supplied as set. Weight: 5–50 tonne per segment depending on kiln size.
Cement
Kiln inlet / outlet seal castings (sector plates, seal rings)
Cast Steel A216 WCB; Heat-resistant cast steel for inlet end (>900°C)
Inlet: high temperature – heat-resistant grade (HH, HP austenitic or Cr25Ni12). Outlet: clinker abrasion + heat – Cr content important.
Cement
Kiln pinion casting (small gear driving girth gear)
Cast Steel ASTM A148 Gr105-85 / Gr120-95; Alloy steel (some prefer forged pinion at large kilns)
Pinion is the faster, smaller gear – higher tooth contact stress. Some large kilns use FORGED pinions for higher toughness. Smaller kilns: cast pinion acceptable. Hardness: pinion typically harder than girth gear (HB 220–280).
Cement
Kiln thrust roller casting
Cast Steel A148 Gr80-50; alloy steel
Controls axial position of kiln. Contacts tyre flange or rim face. Face surface and perpendicularity to axis critical.
Cement
Kiln tyre (riding ring) – rotary kiln support tyre
Cast Steel ASTM A148 Gr80-50 / Gr105-85; medium carbon alloy steel (Mn-Cr-Mo) – large tyre castings
One of the largest castings in cement – kiln tyre for large kilns 50–80 tonne weight. OD up to 8–10m diameter. Ovality and runout critical for smooth kiln rotation. Loose-riding design (designed clearance to shell) or fixed-riding. Careful pattern allowance for contraction on OD.
Railway
Legacy bogie casting replacements (side frames, bolsters)
Cast steel
Reverse engineering + PPAP/FAI
Railway
Level-crossing mechanism cast housings
Cast aluminum / SG iron
Duty cycles
Mining & Crushers
Main frame / spider casting (cone crusher structural body)
Cast Steel A148 Gr80-50 / Gr105-85; heavy-section low alloy steel
One of the largest wear-exposed structural castings. Spider arms carry top-mounted arm. Wall thickness often 60–120mm. Solidification simulation recommended. Weld repair WPS pre-qualified.
Water & Desalination
Mechanical joint (MJ) fittings (gland & follower castings)
Ductile Iron GJS-500-7
AWWA C110 / C153. T-bolts: SS 316 or galvanised (GCC buried: SS preferred). Gaskets: SBR or EPDM.
Heavy Equipment
Member casting – 100T truck (1477–1763 lbs, model 785-7)
Cast Steel A148 Gr80-50 / Gr105-85; low alloy Mn-Mo
Heavier truck – higher strength grade required. First article inspection (FAI) with CMM report. OEM drawing / PPAP controlled.
Heavy Equipment
Member casting – 65T truck (462–553 lbs, model 465-E0)
Cast Steel ASTM A27 Gr70-40; Low alloy cast steel
Frame member / cross-member node. OEM model-specific geometry. Surface: epoxy primer.
Water & Desalination
Membrane pressure vessel end-caps / closures (cast versions)
Ductile Iron GJS-500-7 (FBE lined); Carbon Steel ASTM A216 WCB (FRP-lined)
ASME Section VIII or PED 2014/68/EU as applicable. FBE or epoxy internal coating – NSF 61 for potable RO output.
Cement
Mill trunnion casting (feed / discharge trunnion, ball mill)
Cast Steel ASTM A216 WCB / A148 Gr80-50
Critical safety casting – supports mill shell. Journal machined to H7/k6 for white metal bearing. Weld repair: pre-qualified WPS only. FMEA / safety case required for first article.
Oil & Gas
Multistage pump stage casing / diffuser (BB3 segmental ring)
Cast Steel WCB; CF8M; WC6 (high temp service)
API 610 BB3 type. Diffuser vane geometry critical for hydraulic performance. Stack assembly – all stage casings tolerance-stacked.
Railway
OHE cast brackets / anchor bodies
Cast steel / aluminum
Electrical & structural demands
Railway
Obsolete coupler/yoke pattern support (cast)
Cast steel
Legacy standards
Railway
Parking brake cast brackets & stops
Cast steel / SG iron
Mounting accuracy
Water & Desalination
Penstock (sluice gate) frame & door (reservoirs, WTP, pump stations)
Ductile Iron GJS-500-7 (modern preferred); Grey Cast Iron GJL-250 (legacy)
BS 7775 / AWWA C561. Seating faces: stainless insert or white metal. Spindle: SS 316 or bronze. Rising or non-rising. GCC: often stainless-faced for desalinated water contact.
Heavy Equipment
Pivot housing casting (~315 lbs)
Cast Steel A148 Gr80-50 / Gr105-85; low alloy for wear resistance
Articulation pivot. Bore tolerance critical for pin fit. Bushing interface or direct pivot pin. Weld repair procedure qualified.
Railway
Platform edge hardware castings (select)
Cast aluminum / SG iron
Public exposure finish
Oil & Gas
Plug valve body (lubricated / non-lubricated, Class 150/300)
Cast Steel WCB; CF8M; Duplex A890 Gr4A
API 599 (cast plug valves). ASME B16.34. Sour service: NACE MR0175 hardness limits (<22 HRC for CS). Sleeved or metal-seated variants.
Railway
Point machine housings / lids
Cast aluminum / SG iron
IP rating & sealing surfaces
Water & Desalination
Pressure reducing valve (PRV) body (district metering zones)
Ductile Iron GJS-500-7 (DN50–DN300); Bronze CC491K (small DN15–50)
EN 1567 / AWWA C530. Pilot and control internals: SS or bronze. WRAS approval mandatory (GCC SASO equivalent where applicable).
Oil & Gas
Pressure relief / safety valve body (PSV/PRV – process plant)
Cast Steel WCB; CF8M (316SS); CF3M (316L) for cryogenic
API 526 / ASME VIII. Trim: SS / Inconel for H₂S. Spring: Hastelloy or Elgiloy for corrosive. Note: nozzle and disc – sometimes investment cast; body often cast WCB for Class 300.
Water & Desalination
Pressure sustaining / pressure relief valve body
Ductile Iron GJS-500-7; Bronze CC491K (small DN)
EN 1074-2. WRAS where potable. Pilot internals: SS / bronze. Diaphragm: EPDM.
Oil & Gas
Process piping fittings – cast (tees, elbows, reducers, Class 150/300)
Cast Steel WCB; CF8M; WC6; LCC
ASME B16.9 (butt weld fittings) or B16.11 (socket weld). Note: Class 600+ butt-weld fittings often forged (ASTM A234 WPB/WP316L). Cast used for Class 150/300 and large bore.
Oil & Gas
Production manifold body / header castings (wellhead gathering)
Cast Steel WCB (sweet service); LCC (low temp); CF8M SS; WC6 (Cr-Mo elevated temp)
ASME B16.34 / API 6D. NACE MR0175 for H₂S. Flanged connections: ASME B16.5 or API 6A (wellhead). Wall thickness per ASME B31.3.
Oil & Gas
Pump bearing housing & seal gland (cast)
Cast Steel WCB; Grey Cast Iron GJL-250 (low pressure / utility)
API 610. Bearing bores: H7 tolerance. Oil seal design: API Plan 53B for toxic / sour service. Cartridge seal housing: SS 316L wetted parts.
Water & Desalination
Pump casing – seawater lift / booster pumps (SWRO / MSF / MED feed)
Super Duplex SS ASTM A890 Gr5A (CD3MWCuN); Duplex A890 Gr4A; Bronze CC333G (legacy)
Super duplex mandatory for RO HP pump casings >PN40 or Cl⁻ >1000 ppm. API 610 / ISO 9906 compliance. NACE MR0175.
Water & Desalination
Pump impeller (closed / semi-open, water service)
Bronze CC333G / CC491K; SS CF8M (316); GJS-400-15 (low cost)
Blade profile and balance critical for NPSH and efficiency. Near-net-shape + CNC finish. NSF 61 / WRAS for potable contact.
Water & Desalination
Pump impeller – seawater service (centrifugal / vertical turbine)
Super Duplex SS A890 Gr5A; CF3M (316L) for lower chloride service
Blade profile accuracy critical for NPSH & efficiency. Balance G2.5 minimum. WRAS / NSF 61 not applicable – seawater duty.
Heavy Equipment
ROPS support casting (~73 lbs)
Cast Steel A148 Gr105-85 (high strength mandatory for safety structure)
ROPS (Roll Over Protective Structure) – safety critical. ISO 3471. High toughness and strength mandatory. Proof load test per ISO 3471 / SAE J1040.
Cement
Raw mill grinding roller / tyre (VRM roller shell)
27%Cr Hi-Chrome white iron; Martensitic Cr15MoNi; Ni-Hard IV; composite (cast + welded hard-facing)
Roller shell profile matched to table segment. Replaced by sliding over axle – bore dimensional accuracy critical. Same OEM drawing control as table. Hard-facing option: welded overlay (Chromocarbide / tungsten carbide) applied post-casting for life extension.
Cement
Raw mill grinding table / table segment (vertical roller mill – VRM)
Ni-hard white iron Ni4Cr2 (Ni-Hard IV) / 27%Cr Hi-Chrome white iron; Martensitic Cr15MoNi
VRM table: segments (typically 3–4 per mill). Weight per segment: 500–3000 kg. Profile accuracy (taper angle) critical for correct roller nip. OEM (FLSmidth ATOX, Polysius, Loesche, Pfeiffer) drawing controlled. Bolt hole pattern per OEM.
Cement
Raw mill separator / classifier housing casting
Cast Steel ASTM A27 Gr70-40; wear-resistant cast steel for abrasive zones
Classifier housing handles fine abrasive raw meal. Abrasion-resistant cast steel or ceramic tile lining for high-wear zones.
Heavy Equipment
Rear axle housing casting (~7604 lbs, large mining truck)
Cast Steel A148 Gr80-50 / Gr105-85; low alloy Mn-Cr-Mo
One of the largest haul truck castings. Solidification simulation mandatory (MAGMA/ProCAST). Wall thickness min 40mm+. OEM PPAP required. Weld repair: pre-qualified WPS.
Heavy Equipment
Rear support casting (off-highway truck, ~615 lbs)
Cast Steel A27 Gr70-40 / A148 Gr80-50
Suspension mounting interfaces machined. OEM drawing controlled.
Heavy Equipment
Rear wheel hub casting (~4849 lbs)
Cast Steel ASTM A148 Gr105-85 / Gr120-95; alloy steel for ultra-class
Ultra class trucks (Caterpillar 797, Komatsu 980E range). Rear hub carries electric drive motor torque arm or mechanical axle. Critical fatigue path – Level 1 soundness.
Oil & Gas
Reciprocating compressor cylinder / crosshead guide casting
Cast Steel WCB / A27 Gr70-40; Grey Cast Iron GJL-300 (crosshead guides)
API 618 (reciprocating compressors). Cylinder bore machining: Ra <0.8µm. Liner: sometimes separate cast iron sleeve. Crosshead guide: pearlitic GCI for wear.
Oil & Gas
Reciprocating pump (plunger pump) fluid end body (HP injection)
Cast Steel A216 WCB; Duplex A890 Gr4A; Alloy Steel 4140 (some HP designs – usually forgings at very HP)
⚠ NOTE: Very high pressure fluid ends (>700 bar) are typically FORGED not cast. Cast fluid ends used for moderate pressure chemical injection / transfer. API 674 / ISO 13710. Valve and seat bores: hardened or inlay.
Railway
Resistor bank cast frames / enclosures
Cast steel / aluminum
Thermal exposure
Railway
Rigging levers/links, brake cylinder bodies (spares)
Cast steel / SG iron
Per OEM drawing
Railway
Roof equipment cast bases (pantograph/antenna)
Cast aluminum / cast steel
Dielectric & sealing
Mining & Crushers
Rotor disc / rotor body (impact crusher rotor)
Cast Steel ASTM A148 Gr105-85 / Gr120-95 or low alloy (structural – not wear material)
Structural casting – fatigue loading from cyclic impact. Blow bars attached – rotor must be balanced after blow bar installation. Bore: H6/k5 tolerance for shaft.
Mining & Crushers
SAG mill shell liner / head liner
Mn steel Mn18Cr2 (high impact); 27%Cr white iron (high abrasion); Martensitic Cr15MoNi; Rubber-metal composite (some designs)
SAG mill liners: large single castings (500–1500 kg). Profile: lifter bars + shell plates. Mn steel dominates for large SAG (impact energy high). White iron for ball mills (lower impact, high abrasion). OEM (FLSmidth, Metso Outotec, Thyssenkrupp) drawing controlled.
Heavy Equipment
Saddle support casting (~324 lbs)
Cast Steel A27 Gr70-40 / A148 Gr80-50
Saddle / pivot interface. OEM drawing controlled. Machined mounting faces.
Railway
Sand guard/trap castings, bogie guards & covers
Cast steel / SG iron
Environmental protection
Railway
Sanding system cast housings & ejector bodies
Cast aluminum / SG iron
Abrasion resistance
Water & Desalination
Screw / centrifugal pump casing for WTP sludge / return sludge
Grey Cast Iron GJL-250; Ductile Iron GJS-500-7; Rubber-lined DI for abrasive sludge
ISO 9906. Wear allowance specified in wall thickness. Rubber lining per ASTM D2000 / ISO 3601 for abrasive service.
Water & Desalination
Seawater intake screen housings / traveling screen frames
Ductile Iron EN-GJS-500-7; Super Duplex SS ASTM A890 Gr5A (aggressive SW)
Sea water service: chloride resistance critical. NACE MR0175 or equivalent for SS grades. FBE or rubber lining for DI in SW service.
Cement
Separator rotor / cage casting (dynamic separator – finish mill)
Cast Steel A216 WCB; austenitic Cr-Ni for high-abrasion zones
Dynamic air separator: rejects coarse particles back for re-grinding. Vane profile affects separation efficiency. Balance of rotating cage important.
Railway
Shoe holder castings / shoe keys (legacy)
Cast steel
Legacy systems
Railway
Shoulder castings / anchor blocks / ferrule castings
Cast steel / SG iron / aluminum
Embedded or surface-fixed
Railway
Side bearings (housings, caps)
Cast steel / SG iron
Grease grooves/seals as specified
Railway
Side frames (freight & transit)
Cast steel (AAR M-201 Gr B/E; EN 10340 equivalents)
Pedestal jaws, spring pockets; machining to case/bowl faces
Heavy Equipment
Side link casting (~544 lbs)
Cast Steel A148 Gr105-85
Linkage geometry critical. Matched with H-link and arm pin bores. FAI / PPAP.
Mining & Crushers
Side plates / cheek plates (jaw crusher side liners)
Hadfield Mn steel ASTM A128 Gr B-2 / Gr C; Chrome-Moly White Iron (Cr26 or Cr28) for lower impact / high abrasion
White iron option: extremely hard (wear-resistant) but brittle – suitable only where impact energy is low. Mn steel: tough and work-hardening – better for high impact. Selection depends on feed material hardness and fragmentation.
Railway
Sleeper/rail seat inserts (cast) for concrete/slab
SG iron / aluminum
Bonding/fit to concrete
Railway
Solid manganese crossings/frogs (RBM/WBM/RBW/self-guarded)
Hadfield Mn steel
AREMA/EN plan compliance
Railway
Speed sensor & cable protection cast brackets
Aluminum / SG iron
EMC/clearance constraints
Water & Desalination
Spigot & socket push-fit fittings (DN80–DN600, buried distribution)
Ductile Iron GJS-500-7
ISO 2531 / EN 545. EPDM gaskets EN 681-1. Restrained joint types (Tyton, Viking Johnson) for GCC high-pressure cross-country mains.
Heavy Equipment
Spindle casting (off-highway truck, ~2008 lbs)
Low alloy cast steel 8630 / A148 Gr105-85 (high strength); some designs in Cr-Mo steel
Bearing seat tolerances critical (H7/k6). Fatigue life design – casting soundness essential. PPAP / FAI for first article approval.
Railway
Spring seats / pockets / guide brackets
Cast steel / SG iron
Surface finish on spring interfaces
Heavy Equipment
Sprocket segment / drive sprocket casting
Alloy cast steel (Cr-Mo-Mn); sometimes Hadfield Mn steel for extreme abrasion
Sprocket tooth profile must match track link pitch and geometry. Mn steel: work-hardens in service. Regular alloy: heat-treated hardness 38–45 HRC.
Energy & Power
Steam turbine casing (inner / outer, HP & LP cylinders)
Cr-Mo cast steel: ASTM A217 WC9 (Cr2.25Mo1) / WC6 (Cr1.25Mo0.5); ASTM A356 Gr10 for large LP casings
ASME B31.1 / EN 13480. Cr-Mo grades: PWHT mandatory. High-temp tensile & creep rupture data per EN 10302. IBR (Indian) / TÜV / CE marking as applicable. Operating temperature up to 565°C HP.
Heavy Equipment
Steering bracket casting (~419 lbs)
Cast Steel A148 Gr105-85; low alloy steel
King pin bore tolerance critical for steering geometry. Fatigue critical component.
Railway
Stop blocks / wheel stops (cast)
Cast steel / SG iron
Yard & depot equipment
Water & Desalination
Strainer bodies / duplex strainer housings (SW pre-filtration)
Ductile Iron EN-GJS-500-7 (low salinity); Duplex SS CF8M or CD4MCu
Basket / screen element in SS 316L min. Flanged connections to EN 1092-2 or ANSI B16.5.
Railway
Stretcher bar end castings / bearer connection castings
Cast steel
With machined bores/faces
Railway
Striker castings / striker plates / lugs
Cast steel
Carbody connection
Oil & Gas
Subsea / topside connector hub & clamp body castings
Duplex SS A890 Gr4A; Super Duplex Gr5A; Low temp CS LCC
Subsea: DNV-ST-F101 / ASME B31.8. Super duplex mandatory for seawater-exposed. HISC (Hydrogen Induced Stress Cracking) risk management: CP shielding, stress relief.
Heavy Equipment
Support LH & RH castings (~346 lbs per side)
Cast Steel A27 Gr70-40 / A148 Gr80-50
Left-hand / right-hand matched pair. OEM model specific.
Heavy Equipment
Support casting – various frame members (~264–670 lbs)
Cast Steel ASTM A27 Gr70-40; Low alloy cast steel
Multiple variants per OEM model. Mounting face machining. Epoxy primer coating.
Cement
Support roller casting (kiln riding roller)
Cast Steel A148 Gr80-50 / Gr105-85; medium carbon alloy steel
Carries kiln tyre – matched surface hardness to tyre. OD runout critical for smooth operation. Journal: machined H7/k6 for bearing assembly.
Oil & Gas
Swing check valve body – Class 150/300
Cast Steel WCB; CF8M; WC6 (elevated temperature)
API 6D (pipeline check valves). ASME B16.34. Disc: SS 316L or hard-faced. Hinge pin: duplex SS.
Railway
Swing-nose crossing cast manganese cradles / noses
Hadfield Mn steel
High-speed/turnout systems
Railway
Switch brace castings / stock-rail braces
Cast steel / SG iron
Load transfer parts
Railway
Third-rail chair/base castings (electrified)
Cast aluminum / SG iron
Insulation interfaces
Railway
Torque arm cast brackets / reaction links
Cast steel
High torque paths
Heavy Equipment
Track link / chain link casting (crawler undercarriage)
Alloy cast steel (Cr-Mn-B grade); Boron steel equivalent for wear and toughness
High wear and impact environment. Hardness specification tightly controlled – too soft = wear out, too hard = brittle fracture. Pin pitch cumulative tolerance critical for track assembly.
Railway
Traction motor frames / end bells / bearing shields
Cast steel / SG iron / aluminum
Thermal & magnetic constraints
Railway
Traction rod / anti-roll bar cast brackets & mounts
Cast steel
Proof-load as required
Energy & Power
Transformer oil pump / cooler housing castings
Cast Steel A216 WCB; Aluminium alloy (air-cooled ancillaries)
Oil compatibility (mineral oil / synthetic ester). Sealing surfaces to IEC 60296.
Railway
Transformer/inductor cast tanks / end-covers (select)
Cast steel / aluminum
Oil-tightness where applicable
Railway
Trip-cock housings & guards (transit)
Cast steel / aluminum
Transit safety device
Mining & Crushers
Trunnion liner / feed chute liner (mill trunnion wear protection)
Cr-Mo white iron; Mn steel; sometimes high-Cr cast iron
Trunnion liner protects structural trunnion from ore abrasion. Dimensional accuracy for fit critical. Often replaceable segments.
Heavy Equipment
Tube / suspension tube casting (~771 lbs)
Cast Steel A27 Gr70-40 / A148 Gr80-50
Suspension strut or nitrogen-oil cylinder interface. Bore finish critical if suspension cylinder.
Energy & Power
Turbine bearing housing (journal & thrust bearing pedestals)
Cast steel A216 WCB; Grey Cast Iron GJL-250 (lower speed auxiliaries)
Oil film journal bearing – surface finish Ra <1.6µm on bores. Alignment bores: H7/H6 tolerance.
Energy & Power
Turbine bypass valve body / steam stop valve body
Cast steel ASTM A217 WC9 (Cr-Mo for HP steam); CF8M SS (wet steam stages)
ASME B16.34. EN ISO 15761 (steel valves). Stellite or SS hard-facing on seats. PWHT mandatory for WC9.
Energy & Power
Turbine exhaust collector / diffuser housing castings
Cast steel A217 WC9 / HH grade SS (austenitic heat-resistant)
High temperature up to 700°C exhaust. Scale-resistant alloy required. Weld-repairability per applicable procedure.
Energy & Power
Turbine nozzle / diaphragm castings (fixed vane carrier)
ASTM A217 WC9 / CA15 (13Cr SS) for wet steam stages
Profile accuracy critical for thermodynamic performance. CA15 for corrosion resistance in wet steam LP stages.
Railway
Turnout chairs / slide baseplates / pedestals
Cast steel / SG iron
Slab or sleeper mount
Railway
Underframe cast brackets (equipment, battery, HVAC)
Cast steel / SG iron
Fatigue & corrosion
Energy & Power
Valve actuator & gearbox housings (power station duty)
Cast Steel A216 WCB; SG Iron GJS-500-7; Aluminium (small actuators)
AUMA / Rotork actuator standards. Weatherproof IP67 minimum for outdoor power station use.
Cement
Vertical mill grinding table & roller (VRM finish mill)
27%Cr Hi-Chrome / Mn18Cr2 / composite – same as raw mill (similar duty, slightly lower abrasion for cement)
VRM cement mills: Loesche LM, Polysius DOROL, FLSmidth ATOX, Pfeiffer MVR. Profile and dimensional requirements same as raw mill – OEM drawing governed.
Water & Desalination
Vertical turbine pump bowl assembly & column pipe castings
Ductile Iron GJS-500-7 (bowls); Bronze CC333G / SS CF8M (impellers)
AWWA E101. Used extensively in GCC desalinated water booster stations. Internal epoxy coating. Submersible motor coupling alignment critical.
Railway
Vestibule/doorway threshold nodes
Cast steel / stainless
Weld integration
Mining & Crushers
Vibrating screen side plate / bearing housing casting
Cast Steel ASTM A27 Gr70-40; Ductile Iron GJS-500-7
High cycle vibration fatigue environment. Bearing bore concentricity and roundness critical – H7 tolerance. Weld repair at stress risers: pre-qualified WPS required.
Railway
Wear part castings: liners, shoes, guards
Cast steel / Mn steel / bronze
Surface treatments as specified
Railway
Wedge & key castings (legacy)
Cast steel / SG iron
Legacy systems
Energy & Power
Wind turbine gearbox housing (main gearbox)
EN-GJS-500-7; EN-GJS-400-18 LT (cold climate)
Gear bore alignment critical for planetary / helical gear sets. Oil tightness test mandatory. Vibration analysis mounting surfaces machined to Ra <3.2µm.
Energy & Power
Wind turbine hub casting
EN-GJS-400-18 LT; EN-GJS-350-22 LT (offshore / cold climate)
Very large complex casting – solidification simulation (MAGMA / ProCAST) essential. Blade pitch bearing seats machined after casting. EN 16124 quality class.
Energy & Power
Wind turbine main frame / machine head frame (nacelle bedplate)
EN-GJS-400-18 LT (low-temperature ductile iron, −20°C impact); GJS-350-22 LT for arctic
EN 1563 / EN 16124. Wall thickness up to 100mm+ – porosity control critical. Ferrite content >80% (LT grades). Surface: epoxy primer + polyurethane topcoat (ISO 12944 C4/C5-M).
Railway
Wing rail & guard rail castings (where cast)
Cast steel / Mn steel
Project-specific
Railway
Yokes (draft yoke) & followers
Cast steel
Pocket geometry per spec
لم تجد ما تبحث عنه؟
نصنّع مسبوكات مخصصة من رسومات العملاء. شارك مواصفاتك واحصل على عرض سعر خلال 48 ساعة.
طلب مسبوكات مخصصة