SA-193 B8ML4CuN Class 1 - ASME SA-193/SA-193M-2019

Grade	SA-193 B8ML4CuN Class 1
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	Austenitic Stainless Steel
Properties	Corrosion Resistance

SA-193 B8ML4CuN Class 1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu	Mo	N
Minimum Value	-	-	-	-	-	17	15	4	3	-
Maximum Value	0.03	1	2	0.04	0.01	19	16.5	5	4	0.045

SA-193 B8ML4CuN Class 1 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=All Sizes	Carbide Solid Solution Treatment	≥480	≥175	≥35	≥50	HRB ≤90

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