A724 Grade C - ASTM A724/A724M-2009(R2023)

Grade	A724 Grade C
Corresponding Standard	ASTM A724/A724M-2009(R2023) Standard Specification for Pressure Vessel Plates, Carbon-Manganese-Silicon Steel, Quenched and Tempered, for Welded Pressure Vessels
Classification	Alloy Steel

A724 Grade C Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^①	Ni ^①	Cu ^①	Mo ^①	V ^①	B ^②
Minimum Value	-	0.2	1	-	-	-	-	-	-	-	-
Maximum Value	0.22	0.6	1.6	0.025	0.025	0.25	0.25	0.35	0.08	0.08	0.005

① When analysis shows that the amount of an element is 0.02 % or lower, the value may be reported as <0.02 %.
② If boron is less than 0.001 %, the analysis report for the element may be stated as \"<0.001\".

A724 Grade C Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
620~760	≥485	≥19

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