France AFNOR NF A 35-578, Z21CDNbV11 Specialsteel Iron and steel. Stainless steel for high temperature application and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | Z21CDNbV11 | AFNOR | France | Iron and steel. Stainless steel for high temperature application |
| C | Si | Mn | P | S | Cr | Mo | Ni | Nb | V | N |
|---|---|---|---|---|---|---|---|---|---|---|
| 0.16 -0.25 | 0.10 -0.50 | 0.30 -0.80 | ≤0.030 | ≤0.015 | 10.00 -12.00 | ≤1.00 | 0.50 -1.00 | 0.25 -0.55 | 0.10 -0.30 | 0.05 -0.10 |
| 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) |
|---|---|---|---|---|---|---|
| 658 (≥) | 815 (≥) | 44 | 13 | 43 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 232 |
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.33 | - | |||
| 682 | 725 | - | 34.3 | 143 | - | ||
| 568 | - | 24 | 23.2 | 334 | 132 |
Heat treated : 1229°C - 1537°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| Z21CDNbV11 |
| NF A 35-578 | Iron and steel. Stainless steel for high temperature application | NF-A-35-578.pdf |
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