USA UNS T20824 Alloy tool steel and T20824 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Tool Steel And Hard Alloy | T20824 | UNS | USA | Alloy tool steel |
T20814 |
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H19 |
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T20819 |
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H21 |
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T20821 |
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H22 |
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T20822 |
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H23 |
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T20823 |
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H24 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | V(%) | W(%) |
---|---|---|---|---|---|---|---|
0.42~0.53 | 0.15~0.40 | 0.15~0.40 | ≤0.030 | ≤0.030 | 2.50~3.50 | 0.40~0.60 | 14.0~16.0 |
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) |
---|---|---|---|---|---|---|
413 (≥) | 839 (≥) | 12 | 34 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
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 | - | - | 0.12 | - | |||
815 | 353 | - | 11.3 | 412 | - | ||
512 | - | 31 | 33.2 | 441 | 311 |
Heat treated : 1823°C - 1948°C
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