F879M Class A1-50 305 S30500 - ASTM F879M-2016

Grade	F879M Class A1-50 305
USA UNS	S30500
Corresponding Standard	ASTM F879M-2016 Stainless Steel Socket Button and Flat Countersunk Head Cap Screws (Metric)
Classification	Austenitic Stainless Steel

F879M Class A1-50 305 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	-	-	-	-	-	17	10.5	-
Maximum Value	0.12	1	2	0.045	0.03	19	13	1

F879M Class A1-50 305 Mechanical Properties

	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %	Hardness HBW
M3~M20 (full size)	≤585			HRB ≤95
M3~M20 (machined)	≤585	≤380	≥40	≤95

1 Approximate Comparison Table Austenitic Stainless Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

European Standard

Russia

United Kingdom

ISC

CNS

JIS

ASTM

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

Numerical Grade

GOST

BS EN/BS

10Cr18Ni12

S30510

305

SUS 305

STS 305

305

S30500

X6CrNi 18-12

X5CrNi 18-12
(X5CrNi 19-11)
X4CrNi 18-12

1.4303
1.4303

Z8CN 18-12

X4CrNi 18-12

1.4303

12Х18Н12Т

305S19

2 Approximate Comparison Table Austenitic Stainless Steel

China	Japan	United States	International Organization for Standardization		European Standard
ISC	JIS	UNS	ISO	Numerical Grade	Numerical Grade
S38148	SUSXM15J1	S30500	X6CrNiSi18-13-4	4884-305-00-X	(1.4884)

3 Approximate Comparison Table Stainless Steels for Cold Heading and Cold Extruding

China		Japan	United States		International Organization for Standardization		European Standard
GB	ISC	JIS	ASTM/AISI	UNS	ISO	Numerical Grade	EN	Numerical Grade
10Cr18Ni12 (1Cr18Ni12)	S30510	SUS305	305	S30500	X6CrNi18-12	4303-305-00-I	X6CrNi18-12	1.4303

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