A193 B8MN Class 1D S31651 316N - ASTM A193/A193M-2020

Grade	A193 B8MN Class 1D
USA UNS	S31651
Other Names
Corresponding Standard	ASTM A193/A193M-2020 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 B8MN Class 1D Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N
Minimum Value	-	-	-	-	-	16	10	2	0.1
Maximum Value	0.08	1	2	0.045	0.03	18	13	3	0.16

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

A193 B8MN Class 1D 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
All Sizes	Solid Solution Treatment	≥550	≥240	≥30	≥40	≥223HBW or≥96HRB

• d-diameter of bolt, screw, studs, double-end studs, bars and wire.

1 Approximate Comparison Table

2 Approximate Comparison Table

China		Japan	United States	International Organization for Standardization		European Standard
GB	ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
06Cr17Ni12Mo2N	S31658	SUS316N	S31651	X6CrNiMoN17-12-3	4495-316-51-J	(1.4495)

A193B8MNClass1D 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"!