F738M Class A1-70 303 S30300 - ASTM F738M-2002

Grade	F738M Class A1-70 303
USA UNS	S30300
Corresponding Standard	ASTM F738M-2002 Stainless Steel Metric Bolts, Screws, and Studs
Classification	Austenitic Stainless Steel

F738M Class A1-70 303 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Mo
Minimum Value	-	-	-	-	0.15	17	8	-
Maximum Value	0.15	1	2	0.2	-	19	10	0.6

F738M Class A1-70 303 Mechanical Properties

	Heat Treatment or Condition	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Hardness HBW
M1.6~M5	CW	≥700		HR（B96~C33）
M6~M20	CW	≥700	≥450	HR（B96~C33）
＞M20~M24	CW	≥550	≥300	HR（B83~C31）

• D-nominal thread diameter

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"!