International ISO ISO 4955 (2005), X12NiCrSi35-16 Specialsteel Heat-resistant steels and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Type | Standard | Country | Application |
|---|---|---|---|---|---|---|
| Steel Grades | Specialsteel | X12NiCrSi35-16 | Austenite | ISO | International | Heat-resistant steels |
| C | Si | Mn | P | S | Cr | Ni |
|---|---|---|---|---|---|---|
| ≤0.15 | 1.00 -2.00 | ≤2.00 | ≤0.045 | ≤0.030 | 15.00 -17.00 | 33.00 -37.00 |
| 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) |
|---|---|---|---|---|---|---|
| 361 (≥) | 384 (≥) | 23 | 31 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 424 |
| 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 | - | |||
| 416 | 937 | - | 42.3 | 433 | - | ||
| 425 | - | 32 | 24.2 | 344 | 423 |
Heat treated : 1589°C - 1861°C
| ISO 4955 (2005) | Heat-resistant steels | ISO-4955-(2005).pdf |
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