51B60 - ASTM A519/A519M-2024

Grade	51B60
Corresponding Standard	ASTM A519/A519M-2024 Standard Specification for Seamless Carbon and Alloy Steel Mechanical Tubing
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	0.04	0.04	0.9	0.25	0.35	0.1	-

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)

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