A193 B8R Class 1C S20910 - ASTM A193/A193M-2001

Grade	A193 B8R Class 1C
USA UNS	S20910
Corresponding Standard	ASTM A193/A193M-2001 Standard Specification for Alloy-Steel and Stainless Steel Bolting Materials for High-Temperature Servise
Classification	Austenitic Stainless Steel

A193 B8R Class 1C Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo	N	V	More
Minimum Value	-	-	4	-	-	20.5	11.5	1.5	0.2	0.1	Nb+Ta：0.10~0.30
Maximum Value	0.06	1	6	0.045	0.03	23.5	13.5	3	0.4	0.3	Nb+Ta：0.10~0.30

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

A193 B8R Class 1C 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	Carbide Solid Solution Treatment	≥690	≥380	≥35	≥55	≤271

A193B8RClass1C 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"!