A193 B8LNA Class 1A S30453 - ASTM A193/A193M-2020

Grade	A193 B8LNA Class 1A
USA UNS	S30453
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 B8LNA Class 1A Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	N
Minimum Value	-	-	-	-	-	18	8	0.1
Maximum Value	0.03	1	2	0.045	0.03	20	11	0.16

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

A193 B8LNA Class 1A 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	Solution Heat Treatment in Finished Condition	≥515	≥205	≥30	≥50	≤192

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

Approximate Comparison Table

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Sweden

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

BS EN/BS

022Cr19Ni10N
(00Cr18Ni10N)

S30453

304LN

SUS 304LN

STS 304LN

304LN

S30453

X2CrNiN 18-9
X2CrNiN18-10

X2CrNiN 18-10

1.4311

Z2CN 18-1Az
Z3CN18-10Az

X2CrNiN 18-10

1.4311

2371

304S62
304S61

A193B8LNAClass1A 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"!