SA-193 Grade B7M - ASME SA-193/SA-193M-2019 - H2ABC

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Grade	SA-193 Grade B7M
Corresponding Standard	ASME SA-193/SA-193M-2019 Standard Specification for Alloys-Steel and Stainless Steel Bolting for High-Temperature or or High Pressure Service and Other Special Purpose Applications
Classification	Alloy Steel

SA-193 Grade B7M Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Mo
Minimum Value	0.37	0.15	0.65	-	-	0.75	0.15
Maximum Value	0.49	0.35	1.1	0.035	0.04	1.2	0.25

SA-193 Grade B7M Mechanical Properties

diameter d mm	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Reduction of Area ψ %	Hardness HBW
d≤M100	Tempering temperature ≥ 620°C	≥690	≥550	≥18	≥50	≤235
M100<d≤M180	Tempering temperature ≥ 620°C	≥690	≥515	≥18	≥50	≤235

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