USA SAE ASTM A681-1999, A5 Tool Die Steels Alloy tool steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Tool Die Steels | A5 | SAE | USA | Alloy tool steel |
| C | Si | Mn | P | S | Cr | Mo | Ni+Cu |
|---|---|---|---|---|---|---|---|
| 0.95 -1.05 | 0.10 -0.50 | 2.80 -3.20 | ≤0.030 | ≤0.030 | 0.90 -1.20 | 0.90 -1.40 | ≤0.75 |
| 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) |
|---|---|---|---|---|---|---|
| 682 (≥) | 293 (≥) | 33 | 32 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 313 |
| 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 |
|---|---|---|---|---|---|---|---|
| 32 | - | - | 0.14 | - | |||
| 968 | 794 | - | 21.3 | 241 | - | ||
| 256 | - | 24 | 32.2 | 224 | 342 |
Heat treated : 1245°C - 1933°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| A572 Gr.42 | |||
| A572 Gr.50 | |||
| A572 Gr.55 | |||
| A572 Gr.60 | |||
| A572 Gr.65 | |||
| A588 Gr.A | |||
| A588 K11430 | |||
| A588 Gr.B | |||
| A588 K12043 | |||
| A588 Gr.C | |||
| A588 K11538 | |||
| A588 Gr.D | |||
| A588 K11552 | |||
| A588 Gr.E | |||
| A588 K11567 | |||
| A588 Gr.F | |||
| A588 K11541 | |||
| A588 Gr.G | |||
| A588 K12040 | |||
| A588 Gr.H |
| ASTM A681-1999 | Alloy tool steel | ASTM-A681-1999.pdf |
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