70 - GOST 14959-1979

Grade	70
Corresponding Standard	GOST 14959-1979 CARBONACEOUS AND ALLOYED SPRING ROLLED STEEL SPECIFICATIONS
Classification	Carbon Steel
Properties	Strength Hardness Elasticity

70 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.67	0.17	0.5	-	-	-	-	-
Maximum Value	0.75	0.37	0.8	0.035	0.035	0.25	0.3	0.25

1 Approximate Comparison Table

China		United States		International Organization for Standardization	France	Russia	Sweden	United Kingdom
GB	ISC	AISI	UNS	ISO	NF EN/NF	GOST	SS₁₄	BS EN/BS
70	U20702	1070	G10700	Type DC	XC70	70	1778	070A72

2 Approximate Comparison Table

3 Approximate Comparison Table

4 Approximate Comparison Table

70 Corresponding Standards(Same grade name, different standards)

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