1030 - ASTM A866-2014

Grade	1030
Corresponding Standard	ASTM A866-2014 Medium Carbon Anti-Friction Bearing Steel
Classification	Bearing Steel

1030 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu	Al	O
Minimum Value	0.28	0.15	0.6	-	-	-	-	-
Maximum Value	0.34	0.35	0.9	0.025	0.025	0.3	0.05	0.002

Note1: Elements not quoted shall not be intentionally added to the steel without the agreement of the purchaser
Note2: Intentional additions of calcium or calcium alloys for deoxidation or inclusion shape control are not permitted unless specifically approved by the purchaser
Note3: Oxygen content applies to product analysis and shall be determined in accordance with Test Methods E1019.

1 Approximate Comparison Table High-Quality Carbon Structural Steel

China

Taiwan, China

Japan

South Korea

United States

International Organization for Standardization

Germany

France

Russia

United Kingdom

ISC

CNS

JIS

ASTM/AISI

UNS

ISO

DIN EN/DIN

W-Nr.

NF EN/NF

GOST

BS EN/BS

U20302

S30C

SM30C

1030

G10300

C30E4

C30E
Ck30

1.1178

C30E
SC32

C30E
080M30

2 Approximate Comparison Table High-Quality Carbon Structural Steel

China	Japan	United States	International Organization for Standardization	Germany		France	European Standard		Russia	United Kingdom
GB	JIS	SAE	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	EN	Numerical Grade	GOST	BS EN/BS
30	S30C	1030	C30 C30E4	C30 Ck30	1.0528	AF50C30 XC32	C30	1.0528	30	080M32 En5

1030 Corresponding Standards(Same grade name, different standards)

1	SAE
	1030 1030
2	ASTM A29/A29M-2012
	1030 G10300
3	ASTM A29/A29M-2005
	1030 G10300
4	ASTM A510/A510M-2013
	1030 G10300 1030
5	SAE J403-2014
	1030 G10300
6	ASTM A29/A29M-2020
	1030 G10300
7	ASTM A866-2014
	1030
8	ASTM A519/A519M-2024
	1030
9	ASTM A682/A682M-2005
	1030 G10300
10	ASTM A684/A684M-2024
	1030
11	ASTM A513/A513M-2025
	1030
12	ASME SA-513-2023
	1030

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