Germany DIN 1.4988 The high-temperature and high-strength steel and 1.4988 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Steel | 1.4988 | DIN | Germany | The high-temperature and high-strength steel |
1.4980 |
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X8CrNiMoNb16-16 |
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1.4981 |
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1.4984 |
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2.4982 |
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NiCr20CoMo |
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NiCr18Co |
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NiCr18Co |
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1.4986 |
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X7(8)CrNiMoBNb16-16 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Mo(%) | V(%) | N(%) | Other(%) |
---|---|---|---|---|---|---|---|---|---|---|
0.04-0.10 | 0.04-0.10 | Max 1.50 | Max 1.50 | Max 1.50 | 15.5-17.5 | 12.5-14.5 | 1.10-1.50 | 0.60-0.85 | 0.10 | 10×C%+0.4Max Nb+TaMax 1.20 |
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) |
---|---|---|---|---|---|---|
153 (≥) | 144 (≥) | 11 | 32 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 |
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 |
---|---|---|---|---|---|---|---|
44 | - | - | 0.41 | - | |||
458 | 621 | - | 43.3 | 142 | - | ||
915 | - | 22 | 21.2 | 233 | 224 |
Heat treated : 1381°C - 1979°C
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