France AFNOR NF A 35-577, Z8NCTDV25-15BFF Specialsteel Iron and steel. Stainless steel wire rods for cold forming and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | Z8NCTDV25-15BFF | AFNOR | France | Iron and steel. Stainless steel wire rods for cold forming |
| C | Si | Mn | P | S | Cr | Mo | Ni | Ti | Al | V | B |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.080 | ≤1.00 | ≤2.00 | ≤0.020 | ≤0.015 | 13.50 -16.00 | 1.00 -1.50 | 24.00 -27.00 | 1.90 -2.30 | ≤0.35 | 0.10 -0.50 | 0.0050 -0.0080 |
| 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) |
|---|---|---|---|---|---|---|
| 628 (≥) | 172 (≥) | 34 | 13 | 41 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 211 |
| 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 |
|---|---|---|---|---|---|---|---|
| 24 | - | - | 0.44 | - | |||
| 824 | 979 | - | 34.3 | 333 | - | ||
| 724 | - | 44 | 21.2 | 432 | 321 |
Heat treated : 1889°C - 1261°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| Z8NCTDV25-15BFF | |||
| Z8NCTDV25-15BFF |
| NF A 35-577 | Iron and steel. Stainless steel wire rods for cold forming | NF-A-35-577.pdf |
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