X7CrNiAl 17-7 Stainless Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Stainless Steel | X7CrNiAl 17-7 | |||
| X90CrCoMoV17 |
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| X1CrNiMoCu25-20-5 |
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| X6CrNiTi18-10 |
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| X5NiCrCuNb16-4 |
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| X6CrNiNb18-10 |
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| X2CrNiAlTi32-20 |
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| X1CrNiMoCu32-28-7 |
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| X1NiCrMoCuN31-27-4 |
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| X2CrNiMnMoNbN 25-18-5-4 |
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| X3CrNiCu 18-9-4 |
| C |
Si ≤ |
Mn ≤ |
P ≤ |
S ≤ |
Cr | Ni | Mo | Other |
|---|---|---|---|---|---|---|---|---|
| ≤0.09 | 0.70 | 1.00 | 0.040 | 0.015 | 16.0-18.0 | 6.50-7.80 | -------- | Al 0.70-1.50 |
| 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) |
|---|---|---|---|---|---|---|
| 232 (≥) | 661 (≥) | 31 | 14 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 321 |
| 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 |
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.43 | - | |||
| 463 | 683 | - | 31.3 | 433 | - | ||
| 892 | - | 33 | 32.2 | 311 | 432 |
Heat treated : 1111°C - 1195°C
| Grade | Standard | Country | Application |
|---|---|---|---|
| ISO X7CrNiAl17-7 | ISO standard thermal deformation of stainless steel | ||
| ISO X7CrNiAl17-7 wire | ISO standard spring with stainless steel wire and steel strip | ||
| EN X7CrNiAl17-7 | EN | Euronorm Stainless Steel | |
| EN X7CrNiAl17-7 | EN | Euronorm Stainless Steel | |
| EN X7CrNiAl17-7 | EN | Euronorm Stainless Steel | |
| EN X7CrNiAl17-7 | EN | Euronorm Stainless Steel | |
| 17-7PH | UNS | USA | precipitation hardening |
| 17-7PH | UNS | USA | precipitation hardening |
| X7CrNiAI17-7 | DIN | Germany | Stainless steel |
| X12CrMnNiN17-7-5 | AFNOR | France | Austenite |
| X2CrNiN17-7-5 | AFNOR | France | Austenite |
| ISO X5CrNi17-7 | ISO standard thermal deformation of stainless steel | ||
| ISO X12CrMnNiN17-7-5 | ISO standard thermal deformation of stainless steel | ||
| ISO X12CrNi17-7 strip | ISO standard spring with stainless steel wire and steel strip | ||
| ISO X6CrNiMo17-12-2 strip | ISO standard spring with stainless steel wire and steel strip | ||
| ISO X7CrNiAl17-7 strip | ISO standard spring with stainless steel wire and steel strip | ||
| EN X12CrMnNiN17-7-5 | EN | Euronorm Stainless Steel |
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