USA UNS T20822 Alloy tool steel and T20822 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Tool Steel And Hard Alloy | T20822 | UNS | USA | Alloy tool steel |
T20812 |
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H13 |
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T20813 |
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H14 |
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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 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | V(%) | W(%) |
---|---|---|---|---|---|---|---|
0.30~0.40 | 0.15~0.40 | 0.15~0.40 | ≤0.030 | ≤0.030 | 1.75~3.75 | 0.25~0.50 | 10.0~11.75 |
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) |
---|---|---|---|---|---|---|
675 (≥) | 128 (≥) | 32 | 14 | 24 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 231 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.11 | - | |||
737 | 351 | - | 33.3 | 344 | - | ||
963 | - | 31 | 24.2 | 323 | 313 |
Heat treated : 1679°C - 1347°C
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