SA542 Type B Class 3 - ASME SA-542/SA-542M-2023

Grade	SA542 Type B Class 3
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 B Class 3 Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
熔炼分析	Minimum Value	0.11	-	0.3	-	-	2	-	-	0.9	-
熔炼分析	Maximum Value	0.15	0.5	0.6	0.015	0.015	2.5	0.25	0.25	1.1	0.02

	Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	V
产品分析	Minimum Value	0.09	-	0.25	-	-	1.88	-	-	0.85	-
产品分析	Maximum Value	0.18	0.5	0.66	0.015	0.015	2.62	0.28	0.28	1.15	0.03

SA542 Type B Class 3 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
655~795	≥515	L0=50mm ≥20

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