SA302 Grade B - ASME SA-302/SA-302M-2023 - H2ABC

中文版

Grade	SA302 Grade B
Corresponding Standard	ASME SA-302/SA-302M-2023 Pressure Vessel Plates, Alloy Steel, Manganese- Molybdenum and Manganese-Molybdenum-Nickel
Classification	Alloy Steel

SA302 Grade B Chemical Element Composition Content (%)

	Component	C	Si	Mn	P	S	Mo
板厚t≤25	Minimum Value	-	0.15	1.15	-	-	0.45
板厚t≤25	Maximum Value	0.2	0.4	1.5	0.025	0.025	0.6

	Component	C	Si	Mn	P	S	Mo
板厚25＜t≤50	Minimum Value	-	0.15	1.15	-	-	0.45
板厚25＜t≤50	Maximum Value	0.23	0.4	1.5	0.025	0.025	0.6

	Component	C	Si	Mn	P	S	Mo
板厚t＞50	Minimum Value	-	0.15	1.15	-	-	0.45
板厚t＞50	Maximum Value	0.25	0.4	1.5	0.025	0.025	0.6

SA302 Grade B Mechanical Properties

Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
550~690	≥345	Gauge distance L0=200mm: ≥15 Gauge distance L0=50mm: ≥18

Note: The data is for reference only! If you have any questions, please fill out "I want to correct it"!