A592 Grade A - ASTM A 592/A592M-2024

Grade	A592 Grade A
Corresponding Standard	ASTM A592/A592M-2024 Standard Specification for High-Strength Quenched and Tempered Low-Alloy Steel Forged Parts for Pressure Vessels
Classification	Alloy Steel

A592 Grade A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo	Zr	B
Minimum Value	0.15	0.4	0.8	-	-	0.5	0.18	0.05	-
Maximum Value	0.21	0.8	1.1	0.025	0.025	0.8	0.28	0.15	0.0025

A592 Grade A Mechanical Properties

thickness t mm	Tensile Strength σ_b Mpa	Specified Plastic Yield Strength Rp_0.2 Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %
t≤65	795~930	≥690	≥18	≥45
65＜t≤100	725~930	≥620	≥17	≥40

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