Japan JIS G 4902 (1991), NCF 625 Specialsteel Corrosion-resisting and heat-resisting superalloy plates and sheets and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application |
|---|---|---|---|---|---|
| Steel Grades | Specialsteel | NCF 625 | JIS | Japan | Corrosion-resisting and heat-resisting superalloy plates and sheets |
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe | Nb+Ta | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.10 | ≤0.50 | ≤0.50 | ≤0.015 | ≤0.015 | 20.00 -23.00 | 58.00 - ≥ | ≤ ≥ | ≤0.40 | ≤0.40 | ≤5.00 | 3.15 -4.15 | 8.00 -10.00 |
| 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) |
|---|---|---|---|---|---|---|
| 241 (≥) | 629 (≥) | 42 | 11 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 212 |
| 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 |
|---|---|---|---|---|---|---|---|
| 23 | - | - | 0.33 | - | |||
| 526 | 497 | - | 43.3 | 112 | - | ||
| 172 | - | 41 | 12.2 | 222 | 342 |
Heat treated : 1451°C - 1335°C
| G 4902 (1991) | Corrosion-resisting and heat-resisting superalloy plates and sheets | G-4902-(1991).pdf |
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