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Grade SK140
Old Grade
Corresponding Standard JIS G 4401-2022
Carbon Tool Steels
Classification Tool Steel
SK140 Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Cu
Minimum Value 1.3 0.1 0.1 - - - - -
Maximum Value 1.5 0.35 0.5 0.03 0.03 0.3 0.25 0.25
1 Approximate Comparison Table Carbon Tool Steel 1
China Taiwan, China Japan South Korea United States Germany France Russia
GB ISC CNS JIS KS ASTM UNS DIN EN/DIN W-Nr. NF EN/NF GOST
T13 T00130 SK1 SK140 STC1 W2C-13 T72302 C130W2 1.1673 ~C120E3U У13-1
2 Approximate Comparison Table Carbon Tool Steel 2
China Japan United States International Organization for Standardization European Standard
GB ISC JIS ASTM UNS ISO EN Numerical Grade
T13 T00130 SK140
(SK1) 		W2-C13 T72302 C120U
(TC120) 		C120U 1.1563
SK140 Corresponding Standards(Same grade name, different standards)
1 JIS G 4401-2006
SK140 (SK1)
2 JIS G 4401-2022
SK140 (SK1)

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