Germany DIN 1.4944 The high-temperature and high-strength steel and 1.4944 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Steel | 1.4944 | DIN | Germany | The high-temperature and high-strength steel | 
| 2.4973 | |||||
| NiCr19CoMo | |||||
| NiFeCr12Mo | |||||
| 2.4975 | |||||
| NiCr20Mo | |||||
| NiCr20Mo | |||||
| 1.4977 | |||||
| X40CoNi20-20 | |||||
| 1.4978 | |||||
| X50CoCrNi20-20 | 
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | Al(%) | Ti(%) | 
|---|---|---|---|---|---|---|---|---|---|---|
| 0.03-0.08 | Max 1.00 | 1.00-2.00 | Max 0.025 | Max 0.015 | Max 0.015 | 24.0-27.0 | 1.00-1.50 | 0.10-0.50 | Max 0.35 | 1.90-2.30 | 
| 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) | 
|---|---|---|---|---|---|---|
| 252 (≥) | 947 (≥) | 34 | 24 | 14 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 144 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 11 | - | - | 0.22 | - | |||
| 324 | 273 | - | 43.3 | 232 | - | ||
| 777 | - | 31 | 22.2 | 114 | 432 | 
Heat treated : 1763°C - 1281°C
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