Germany DIN 1.3255 High-speed tool steel and 1.3255 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Tool Steel And Hard Alloy | 1.3255 | DIN | Germany | High-speed tool steel |
0.3243 |
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S6-5-2-5S |
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1.3245 |
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S7-4-2-5 |
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1.3246 |
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S2-10-1-8 |
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1.3247 |
|||||
S2-9-2-8 |
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1.3249 |
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S18-1-2-5 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Mo(%) | V(%) | W(%) | Co(%) |
---|---|---|---|---|---|---|---|---|---|
0.75-0.83 | Max 0.45 | Max 0.40 | Max 0.030 | Max 0.030 | 3.80-4.50 | 0.50-0.80 | 1.40-1.70 | 17.5-18.5 | 4.50-5.50 |
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) |
---|---|---|---|---|---|---|
424 (≥) | 569 (≥) | 14 | 32 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 121 |
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 |
---|---|---|---|---|---|---|---|
23 | - | - | 0.43 | - | |||
426 | 852 | - | 23.3 | 433 | - | ||
153 | - | 33 | 44.2 | 441 | 442 |
Heat treated : 1273°C - 1364°C
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