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

Grade	A724 Grade B
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 B Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr ^①	Ni ^①	Cu ^①	Mo ^①	V ^①
Minimum Value	-	-	1	-	-	-	-	-	-	-
Maximum Value	0.2	0.5	1.6	0.025	0.025	0.25	0.25	0.35	0.08	0.08

① When analysis shows that the amount of an element is 0.02 % or lower, the value may be reported as <0.02 %.

A724 Grade B Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
655~795	≥515	≥17

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