Grade T8Mn
China ISC T01080
Corresponding Standard GB /T 1298-2008
Carbon Tool Steels
Classification Carbon Steel
T8Mn Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu Mo W V
Minimum Value 0.8 - 0.4 - - - - - - - -
Maximum Value 0.9 0.35 0.6 0.035 0.03 0.25 0.2 0.25 0.2 0.3 0.02
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
China Japan United States Germany Russia
GB JIS ASTM DIN EN/DIN W-Nr. GOST
T8Mn SK5 W1-8 C85WS 1.1830 У8Г
3 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
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
T8Mn Corresponding Standards(Same grade name, different standards)

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