A533 Type B Class 1 - ASTM A 533/A533M-2024

Grade	A533 Type B Class 1
Corresponding Standard	ASTM A533/A533M-2024 Standard Specification for Pressure Vessel Plates, Alloy Steel, Quenched and Tempered, Manganese-Molybdenum and ManganeseMolybdenum-Nickel
Classification	Alloy Steel

A533 Type B Class 1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Ni	Mo
Minimum Value	-	0.15	1.15	-	-	0.4	0.45
Maximum Value	0.25	0.4	1.5	0.025	0.025	0.7	0.6

A533 Type B Class 1 Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
550~690	≥345	≥18

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