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Grade SK85
Brand/Supplier
Japan -> JFE Steel
Classification Tool Steel
SK85 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value 0.8 0.1 0.1 - - - - -
Maximum Value 0.9 0.35 0.5 0.03 0.03 0.3 0.25 0.25
1 Approximate Comparison Table Carbon Tool Steel
China Japan United States
GB ISC JIS ASTM UNS
T8Mn T01080 SK85 W1-8 T72301
2 Approximate Comparison Table Carbon Tool Steel 1
China Taiwan, China Japan South Korea United States Germany Russia
GB ISC CNS JIS KS Commercial Grade DIN EN/DIN W-Nr. GOST
T8Mn T01080 SK 5 SK 85 STC 5 W1C-8 C85WS 1.1830 У8Г-1
3 Approximate Comparison Table Carbon Tool Steel 2
China Japan United States International Organization for Standardization European Standard Russia
GB ISC JIS ASTM UNS ISO EN Numerical Grade GOST
T9 T00090 SK85
(SK5) 		W1A-8 1/2 T72301 C90U
(TC90) 		C90U 1.1830 У9
4 Approximate Comparison Table Carbon Tool Steel 2
China Japan United States International Organization for Standardization European Standard Russia
GB ISC JIS ASTM UNS ISO EN Numerical Grade GOST
T8Mn T01080 SK85
SK85 		W1-C8 T72301 C90U
(TC90) 		C90U 1.1830 У8Г
SK85 Corresponding Standards(Same grade name, different standards)
1 JIS
SK85
2 JIS G 4401-2006
SK85 (SK5)

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