Japan JIS G 4902 (1991), NCF 690 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 690 | JIS | Japan | Corrosion-resisting and heat-resisting superalloy plates and sheets |
| C | Si | Mn | P | S | Cr | Ni | Cu | Al | Ti | Fe |
|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.05 | ≤0.50 | ≤0.50 | ≤0.03 | ≤0.015 | 27.00 -31.00 | 58.00 - ≥ | ≤0.50 | ≤ ≥ | ≤ ≥ | ≤ ≥ |
| 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) |
|---|---|---|---|---|---|---|
| 379 (≥) | 934 (≥) | 22 | 31 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 312 |
| 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 |
|---|---|---|---|---|---|---|---|
| 21 | - | - | 0.31 | - | |||
| 249 | 331 | - | 42.3 | 114 | - | ||
| 234 | - | 44 | 11.2 | 132 | 344 |
Heat treated : 1691°C - 1763°C
| G 4902 (1991) | Corrosion-resisting and heat-resisting superalloy plates and sheets | G-4902-(1991).pdf |
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