Japan JIS G 4902 (1991), NCF 825 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 825 | JIS | Japan | Corrosion-resisting and heat-resisting superalloy plates and sheets |
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe | Mo |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.05 | ≤1.00 | ≤1.00 | ≤0.03 | ≤0.015 | 19.50 -23.00 | 38.00 -46.00 | 1.50 -3.00 | ≤0.20 | 0.60 -1.20 | remaining - ≥ | 2.50 -3.50 |
| 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) |
|---|---|---|---|---|---|---|
| 678 (≥) | 975 (≥) | 24 | 32 | 34 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 411 |
| 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 |
|---|---|---|---|---|---|---|---|
| 34 | - | - | 0.24 | - | |||
| 677 | 669 | - | 23.3 | 313 | - | ||
| 621 | - | 34 | 24.2 | 411 | 311 |
Heat treated : 1233°C - 1187°C
| G 4902 (1991) | Corrosion-resisting and heat-resisting superalloy plates and sheets | G-4902-(1991).pdf |
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