S30300 - ASTM A959-2019

USA UNS	S30300
AISI American Iron and Steel Institute	303
Corresponding Standard	ASTM A959-2019 Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
Classification	Austenitic Stainless Steel
Properties	Corrosion Resistance

Chemical Element Composition Content (%)

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

• Unless otherwise indicated, a grade designation originally assigned by the American Iron and Steel Institute (AISI).

Approximate Comparison Table Austenitic Stainless Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

Numerical Grade

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

BS EN/BS

Y12Cr18Ni9
(Y1Cr18Ni9)

S30317

303

SUS 303

STS 303

303

S30300

X10CrNiS 18-9

4305-303-00-I

X8CrNiS 18-9
(X10CrNiS 18-9)

1.4305

Z10CNF 18-09

X8CrNiS 18-9

1.4305

303S21

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