1541 - ASTM A866-2014

Grade	1541
Corresponding Standard	ASTM A866-2014 Medium Carbon Anti-Friction Bearing Steel
Classification	Bearing Steel

1541 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cu	Al	O
Minimum Value	0.36	0.15	1.35	-	-	-	-	-
Maximum Value	0.44	0.35	1.65	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 Steel for Cold Heading and Cold Extrusion

Japan	United States	International Organization for Standardization	European Standard
JIS	SAE	ISO	EN	Numerical Grade
SMn443	1541	42Mn6	42Mn6	1.1055

2 Approximate Comparison Table Steel for Cold Heading and Cold Extrusion

China	Japan	United States
YB	JIS	ASTM
QML40Mn	SWRCH41K	1541

1541 Corresponding Standards(Same grade name, different standards)

1	ASTM A29/A29M-2012
	1541 G15410 (1041)
2	SAE J 403-2001
	1541 G15410
3	SAE J403-2014
	1541 G15410
4	ASTM A29/A29M-2020
	1541 G15410 (1041)
5	ASTM A866-2014
	1541
6	ASTM A519/A519M-2024
	1541

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