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Carbide grade for punching and impacting dies
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Grade |
Density |
T.R.S MPa |
Hardness HRA |
Performance & application recommended |
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YM11 |
14.4 |
2600 |
88.5 |
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Forming or stamping dies for metal powders and nonmetal powders. |
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YM15 |
14.0 |
2800 |
87.5 |
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For fabricating drawing dies of steel tubes and rods under High compressibility ratio; punching、stamping、forging tools under large stress. |
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YM20 |
13.5 |
3200 |
85.5 |
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For fabricating of stamping dies for watch parts, spring plates of musical instruments, battery jars, small sized steel balls, screws, screw caps. |
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ML32 |
13.9 |
2900 |
85.5 |
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Impact resistance forging dies. |
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ML35 |
13.7 |
3100 |
84.5 |
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Impact resistance forging dies, hot-press forging dies and rollers. |
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ML40 |
13.5 |
3300 |
83.5 |
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Dies for wear resistant or impact resistant application. |
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ML50 |
13.3 |
3500 |
83.0 |
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Nut forming dies and high impact resistance forging dies. |
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ML60 |
13.1 |
3600 |
82.5 |
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Stainless bolt header dies and rollers. |
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Other grades of cemented carbide blanks for cold-forging dies may be offered by customers' requirements