USA SAE A 791/A 791M, A 791 Grade 29-4C Specialsteel Aluminum-Zinc Alloy-Coated Wire Strand and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | A 791 Grade 29-4C | Precipitation-Hardening | SAE | USA | Aluminum-Zinc Alloy-Coated Wire Strand |
| C | Si | Mn | P | S | Ni | Cr | Al | Cu | Ti | Fe | N | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.01 | ≤0.20 | ≤0.30 | ≤ ≥ | ≤ ≥ | ≤0.15 | 28.00 -30.00 | ≤ ≥ | ≤0.15 | ≤ ≥ | ≤ ≥ | ≤0.02 | 3.50 -4.20 |
| 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) |
|---|---|---|---|---|---|---|
| 499 (≥) | 581 (≥) | 11 | 32 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 244 |
| 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 | - | - | 0.31 | - | |||
| 915 | 471 | - | 43.3 | 324 | - | ||
| 394 | - | 41 | 22.2 | 123 | 343 |
Heat treated : 1973°C - 1557°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| 29-4 | |||
| 29-4C | |||
| 29-4-2 | |||
| 29-4 | |||
| 29-4-2 | |||
| 29-4C | |||
| 29-4 | |||
| 29-4-2 | |||
| 29-4 | |||
| 29-4-2 | |||
| 29-4C(S44735) | |||
| 29-4-2(S44800) | |||
| X2CrMoTi29-4 | |||
| X2CrMoTi29-4 |
| A 791/A 791M | Aluminum-Zinc Alloy-Coated Wire Strand | A-791-A-791M.pdf |
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