1.4978
Germany DIN 1.4978 The high-temperature and high-strength steel and 1.4978 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Germany DIN 1.4978 The high-temperature and high-strength steel and 1.4978 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Steel | 1.4978 | DIN | Germany | The high-temperature and high-strength steel |
1.4971 |
|||||
X12CrCoNi21-20 |
|||||
2.4973 |
|||||
NiCr19CoMo |
|||||
NiFeCr12Mo |
|||||
2.4975 |
|||||
NiCr20Mo |
|||||
NiCr20Mo |
|||||
1.4977 |
|||||
X40CoNi20-20 |
Chemical composition(mass fraction)(wt.%) of the 1.4978
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | W(%) | Co(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|---|
0.45-0.55 | Max 1.00 | Max 1.50 | Max 0.045 | Max 0.030 | 19.0-21.0 | 19.0-21.0 | 3.50-4.50 | 3.50-4.50 | 19.0-21.0 | 3.50-4.50 |
Mechanical properties / Mechanische Eigenschaften / Caracteristiques mecaniques of grade 1.4978
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) |
---|---|---|---|---|---|---|
267 (≥) | 824 (≥) | 34 | 12 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 233 |
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 |
---|---|---|---|---|---|---|---|
31 | - | - | 0.44 | - | |||
529 | 935 | - | 11.3 | 112 | - | ||
216 | - | 41 | 33.2 | 343 | 334 |
Grade | Standard | Country | Application |
---|---|---|---|
1.4978 | DIN | Germany | The high-temperature and high-strength steel |