A320 B8FASe Class 1A S30323 303Se - ASTM A320/A320M-2018

Grade	A320 B8FASe Class 1A
USA UNS	S30323
Other Names
Corresponding Standard	ASTM A320/A320M-2018 Alloy-Steel and Stainless Steel Bolting for Low-Temperature Service
Classification	Alloy Steel

A320 B8FASe Class 1A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Se
Minimum Value	-	-	-	-	-	17	8	0.15
Maximum Value	0.15	1	2	0.2	0.06	19	10	0.35

Note: Except as specified, intentional addition of Bi, Se, Te, and Pb is not permitted.

A320 B8FASe Class 1A 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 Solution Treatment in Finished Condition	≥515	≥205	≥30	≥50	≤192

1 Approximate Comparison Table Austenitic Stainless Steel

2 Approximate Comparison Table Austenitic Stainless Steel

China		Japan	United States	International Organization for Standardization		European Standard
GB	ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
Y12Cr18Ni9Se	S30327	SUS303Se	S30323	X12CrNiSe18-9	4625-303-23-X	1.4625

A320B8FASeClass1A 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"!