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) | 
|---|---|---|---|---|---|---|
| 495 (≥) | 248 (≥) | 24 | 34 | 23 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 124 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 12 | - | - | 0.14 | - | |||
| 996 | 416 | - | 41.3 | 342 | - | ||
| 168 | - | 14 | 14.2 | 412 | 341 | 
Heat treated : 1527°C - 1995°C
| G 4902 (1991) | Corrosion-resisting and heat-resisting superalloy plates and sheets | G-4902-(1991).pdf | 
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