Oil & GasValves
Choke valve body (wellhead / christmas tree utility service)
API 6A (wellhead chokes). Trim: tungsten carbide or Stellite hard-facing for erosion resistance. CA6NM: quench & temper; hardness <23 HRC (NACE).

Specifications
Material
Cast Steel WCB / WC6; CA6NM (13Cr-4Ni, erosion resistant); duplex SS
Grades
WCB;WC6;CA6NM
Material Class
DuplexCast Steel
Applicable Standards
API 6A
Common Processes
Investment casting (small hardened bodies); resin sand (large bodies)
NDT & Inspection
RT; PT; hydrostatic; hardness; dimensional (Cv/orifice geometry); PMI
Typical Specs & Notes
API 6A (wellhead chokes). Trim: tungsten carbide or Stellite hard-facing for erosion resistance. CA6NM: quench & temper; hardness <23 HRC (NACE).
Cast To Your Spec
Don't See Your Part? We'll Cast It From Your Drawing.
Send a drawing, sample, or spec and we'll cast it in the right alloy from 25 to 5,000 kg, then machine and inspect it to print. Quote back in 48 hours, no minimum order.
48-hour quote turnaroundNo minimum order quantityIron, carbon, stainless & duplexISO 9001 certified
