51B60 G51601 - SAE J404-2009

Grade	51B60
USA UNS	G51601
Corresponding Standard	SAE J404-2009 Chemical Compositions of SAE Alloy Steels
Classification	Alloy Steel

51B60 Chemical Element Composition Content (%)

Component	C	Si	Mn	P ^◎	S ^◎	Cr	Ni	Cu	Mo	B
Minimum Value	0.56	0.15	0.75	-	-	0.7	-	-	-	0.0005
Maximum Value	0.64	0.35	1	0.03	0.04	0.9	0.25	0.35	0.06	0.003

◎ Table lists default values for Phosphorus and Sulfur. Alternate levels shall be agreed upon between purchaser and supplier. Typical values for Flat Roll products: P = 0.030 max, S = 0.035 max. Typical values for ASTM Long Product: P = 0.040 max, S = 0.050 max.

Approximate Comparison Table Spring Steel

China		Taiwan, China	Japan	South Korea	United States		International Organization for Standardization	Germany	Russia
GB	ISC	CNS	JIS	KS	AISI	UNS	ISO	DIN EN/DIN	GOST
60CrMnBA	A22613	SUP11A	SUP11A	SPS7	51B60	G51601	60Cr1	58CrMnB4	55ХГР

51B60 Corresponding Standards(Same grade name, different standards)

1	ASTM A29/A29M-2012
	51B60 G51601
2	SAE J404-2000
	51B60 G51601
3	ASTM A29/A29M-2020
	51B60 G51601
4	ASTM A519/A519M-2024
	51B60
5	SAE J404-2009
	51B60 G51601
6	ASTM A 752-2004(R2010)
	51B60 G51601
7	ASME SA-29/SA-29M-2023
	51B60 G51601

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