A351 CF8C Ball Valve

ASTM A351 CF8C Ball Valve is made of ASTM A351 CF8C that is a cast stailess steel for corrosion resistance and high temperature service. The ball valve body and trim are all made of ASTM A351 CF8C/ASTM A182 F347.

Main Material:
Body: ASTM A351 CF8C
Ball/Stem: ASTM A182 F347

End connections: Flanged/Welded

More products:
ASTM A351 CF8C Gate Valve
ASTM A351 CF8C Globe Valve
ASTM A351 CF8C Check Valves.

ASTM A351 CF8C Chemical Composition, %

Material Element, % (max, except where range is given)
ASTM UNS C Mn Si S P Cr Ni Mo CoD V N Cu
A351 CF8C J92710 0.08 1.50 2.00 0.040 0.040 18.0–21.0 9.0– 12.0 0.50 A ... ... ...

AGrade CF8C shall have a columbium (niobium) content of not less than 8 times the carbon content but not over 1.00 %.


ASTM A351 CF8C Tensile Requirements

Material Element, % (max, except where range is given)
ASTM UNS Tensile strength,
min, ksi [MPa]
Yield strength,A
min, ksi [MPa]
Elongation in 2 in. or
50 mm,B min, %
A351 CF8C J92710 70 [485] 70 [205] 30

A Determine by the 0.2 % offset method.
B When ICI test bars are used in tensile testing as provided for in Specification A995/A995M, the gauge length to reduced section diameter ratio shall be 4 to 1.

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Valve type (ball, gate, globe, check etc.), valve size, pressure class, valve material, and end connection (flanged, butt welding etc.)