Japan JIS T12A Carbide for cutting tools and T12A Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Tool Steel And Hard Alloy | T12A | JIS | Japan | Carbide for cutting tools |
| ST15E |
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| ST15E |
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| ST20E |
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| ST25E |
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| ST25E |
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| ST30E |
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| ST30E |
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| ST40E |
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| ST40E |
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| T12A |
| Yield Rp0.2 (MPa) |
Tensile Rm (MPa) |
Impact KV/Ku (J) |
Elongation A (%) |
Reduction in cross section on fracture Z (%) |
As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 492 (≥) | 823 (≥) | 11 | 34 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 |
| Temperature (°C) |
Modulus of elasticity (GPa) |
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) |
Specific thermal capacity (J/kg·°C) |
Specific electrical resistivity (Ω mm²/m) |
Density (kg/dm³) |
Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.41 | - | |||
| 693 | 621 | - | 21.3 | 124 | - | ||
| 319 | - | 32 | 24.2 | 112 | 133 |
Heat treated : 1893°C - 1666°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| T12A | JIS | Japan | Carbide for cutting tools |
| T12A | JIS | Japan | Carbide for cutting tools |
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