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Carbon Tooling Steel
1. Property: Carbon content 0.65 ¨C 1.35%, good material hardness and high resistance to wearing off.
2. Main Application: Cutting tool, die tooling and other frictional wearing off tools.
3. Series, Content Element and Mechanical Property
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China
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Equivalent
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Content Elements
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Mechanical Property
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USA
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Japan
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Germany
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C
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Si
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Mn
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P
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S
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Hardness HBS
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Dia of Depression Mark/mm
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T7
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SK7
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C70W2
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0.65-0.74
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0.35
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0.40
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0.035
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0.030
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187
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4.4
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T8
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T2301
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SK5
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C80W2
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0.75-0.84
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0.35
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0.40
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0.035
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0.030
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187
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4.4
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T10
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T2301
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SK3
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C105W2
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0.95-1.04
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0.35
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0.40
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0.035
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0.030
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197
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4.3
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Series and Sizes:
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Carbon Tooling Steel
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Series
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Round Rolled
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Rolled Sheet
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Round Forgeable
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Square Forgeable
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Stack Forgeable
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Round Cold Draw
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Size
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16 ~ 280
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5-38 X 40-150
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135 ~ 480
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20 X 290
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20-250 X 40-350
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10 ~ 40
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