A217 Grade WC4 J12082 WC4 - ASTM A217/A217M-2014

Grade	A217 Grade WC4
USA UNS	J12082
Other Names
Corresponding Standard	ASTM A217/A217M-2014 Standard Specification for Steel Castings, Martensitic Stainless and Alloy, for Pressure-Containing Parts, Suitable for High-Temperature Service
Classification	Cast Steel

A217 Grade WC4 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu ^*	Mo	W ^*	More
Minimum Value	0.05	-	0.5	-	-	0.5	0.7	-	0.45	-	(Cu+W)≤0.6
Maximum Value	0.2	0.6	0.8	0.04	0.045	0.8	1.1	0.5	0.65	0.1	(Cu+W)≤0.6

* Residual Elements

A217 Grade WC4 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
485~655	≥275	≥20	≥35

Approximate Comparison Table Cast Steel

China	United States	International Organization for Standardization
GB	UNS	ISO	Numerical Grade
ZG26CrNiMo ZG25CrNiMo	J12082	G25NiCrMo3	1.6553

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!