Korea KS STD4 Carbide for cutting tools and STD4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
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Steel Grades | Tool Steel And Hard Alloy | STD4 | KS | Korea | Carbide for cutting tools |
STS94 |
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STS95 |
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STS95 |
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STD1 |
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STD1 |
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STD11 |
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STD11 |
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STD12 |
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STD12 |
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STD4 |
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) |
---|---|---|---|---|---|---|
588 (≥) | 122 (≥) | 43 | 22 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 |
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 | - | - | 0.11 | - | |||
849 | 182 | - | 32.3 | 223 | - | ||
722 | - | 41 | 21.2 | 241 | 443 |
Heat treated : 1943°C - 1919°C
Grade | Standard | Country | Application |
---|---|---|---|
STD4 | KS | Korea | Carbide for cutting tools |
STD4 | KS | Korea | Carbide for cutting tools |
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