Oil & GasCompressor Casings (Sand / Steel Casting)
Reciprocating compressor cylinder / crosshead guide casting
API 618 (reciprocating compressors). Cylinder bore machining: Ra <0.8µm. Liner: sometimes separate cast iron sleeve. Crosshead guide: pearlitic GCI for wear.
Specifications
Material
Cast Steel WCB / A27 Gr70-40; Grey Cast Iron GJL-300 (crosshead guides)
Grades
WCB;GJL-300
Material Class
Gray IronCast Steel
Applicable Standards
API 618
Common Processes
Resin sand / green sand (GCI crosshead guides)
NDT & Inspection
RT (cylinder heads); MT; hydrostatic (cylinder water jacket); dimensional; hardness
Typical Specs & Notes
API 618 (reciprocating compressors). Cylinder bore machining: Ra <0.8µm. Liner: sometimes separate cast iron sleeve. Crosshead guide: pearlitic GCI for wear.