85 - GOST 14959-1979

Grade	85
Corresponding Standard	GOST 14959-1979 CARBONACEOUS AND ALLOYED SPRING ROLLED STEEL SPECIFICATIONS
Classification	Spring Steel
Properties	Strength Hardness Elasticity

85 Chemical Element Composition Content (%)

Component	C	Si	Mn	P	S	Cr	Ni	Cu
Minimum Value	0.82	0.17	0.5	-	-	-	-	-
Maximum Value	0.9	0.37	0.8	0.035	0.035	0.25	0.25	0.2

85 Mechanical Properties

diameter d mm	Tensile Strength σ_b Mpa	Yield Point σ_s Mpa	Elongation or Extension Rate δ %
d≤80	Quenching + Tempering ≥1130	Quenching + Tempering ≥980	Quenching + Tempering ≥8

1 Approximate Comparison Table

2 Approximate Comparison Table

China	Japan	United States	International Organization for Standardization	Germany		France	Russia	United Kingdom
GB	JIS	ASTM/AISI	ISO	DIN EN/DIN	W-Nr.	NF EN/NF	GOST	BS EN/BS
85	SWRH82B	1084	DM,DH,SH	C86D	1.0616	C86D	85	C86D

3 Approximate Comparison Table

China		Japan	United States	International Organization for Standardization		European Standard	Russia
GB	ISC	JIS	ASTM/AISI	ISO	Numerical Grade	EN	GOST
85 (GB/T 1222-2016)	U20852	SK5-CSP (JIS G4802:2005)	1070 (ASTM A29/A29M:2005)	DC (ISO8458.3:1992)	1.0616	C85D (EN 10016-2:1994)	85

4 Approximate Comparison Table

85 Corresponding Standards(Same grade name, different standards)

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