A193 B8CLN Class 1 S34751 347LN - ASTM A193/A193M-2019

Grade	A193 B8CLN Class 1
USA UNS	S34751
Other Names
Corresponding Standard	ASTM A193/A193M-2019 Alloy-steel and Stainless Steel Bolting for High Temperature or High Pressure Service and Other Special Purpose Applications
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance Forgability Weldability

A193 B8CLN Class 1 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	N	Nb	More
Minimum Value	0.005	-	-	-	-	17	9	0.06	0.2	Nb≥15C
Maximum Value	0.02	1	2	0.045	0.03	19	13	0.1	0.5	Nb≥15C

Note: The intentional addition of Bi, Se,Te, and Pb is not permitted

A193 B8CLN Class 1 Mechanical Properties

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
Carbide Solid Solution Treatment	≥515	≥205	≥30	≥50	≤223

A193B8CLNClass1 Corresponding Standards(Same grade name, different standards)

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