A542 Type D Class 2 - ASTM A 542/A542M-2019

Grade	A542 Type D Class 2
Corresponding Standard	ASTM A542/A542M-2019 Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered, Chromium-Molybdenum, and ChromiumMolybdenum-Vanadium
Classification	Alloy Steel

A542 Type D Class 2 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	Ti	V	Nb	B
Minimum Value	0.11	-	0.3	-	-	2	-	-	0.9	-	0.25	-	-
Maximum Value	0.15	0.1	0.6	0.015	0.01	2.5	0.25	0.2	1.1	0.03	0.35	0.07	0.002

A542 Type D Class 2 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
795~930	≥690	≥13

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