SA542 Type A Class 1 - ASME SA-542/SA-542M-2023

Grade	SA542 Type A Class 1
Corresponding Standard	ASME SA-542/SA-542M-2023 Pressure Vessel Plates, Alloy Steel, Quenched-and- Tempered, Chromium-Molybdenum, and Chromium- Molybdenum-Vanadium
Classification	Alloy Steel

SA542 Type A Class 1 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
熔炼分析	Minimum Value	-	-	0.3	-	-	2	-	-	0.9	-
熔炼分析	Maximum Value	0.15	0.5	0.6	0.025	0.025	2.5	0.4	0.4	1.1	0.03

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
产品分析	Minimum Value	-	-	0.25	-	-	1.88	-	-	0.85	-
产品分析	Maximum Value	0.18	0.5	0.66	0.025	0.025	2.62	0.43	0.43	1.15	0.04

SA542 Type A Class 1 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
725~860	≥585	L0=50mm ≥14

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