USA AISI ASTM A686-1999, T72302 Tool Die Steels Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures. and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Tool Die Steels | T72302 | AISI | USA | Carbon tool steel products which include hot or cold finished bar, plate, sheet, rod, wire, or forgings, which are normally fabricated into tools, dies, or fixtures. |
C | Si | Mn | P | S | Cr | V | Mo | Cu | W |
---|---|---|---|---|---|---|---|---|---|
0.70 -1.50 | 0.10 -0.40 | 0.10 -0.40 | ≤ ≥ | ≤ ≥ | ≤0.30 | ≤0.10 | ≤0.10 | ≤0.20 | ≤0.15 |
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) |
---|---|---|---|---|---|---|
968 (≥) | 467 (≥) | 41 | 31 | 13 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 344 |
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 |
---|---|---|---|---|---|---|---|
43 | - | - | 0.24 | - | |||
351 | 482 | - | 24.3 | 413 | - | ||
717 | - | 14 | 11.2 | 444 | 431 |
Heat treated : 1466°C - 1721°C
Grade | Standard | Country | Application |
---|---|---|---|
UNS T72302 | |||
UNS T72302 | |||
UNS T72302 |
ASTM A686-1999 | Carbon tool steel | ASTM-A686-1999.pdf |
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