Japan JIS G 4902 (1991), NCF 718 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 718 | 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 | B |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.08 | ≤0.35 | ≤0.35 | ≤0.015 | ≤0.015 | 17.00 -21.00 | 50.00 -55.00 | ≤0.30 | 0.20 -0.80 | 0.65 -1.15 | remaining - ≥ | 4.75 -5.50 | 2.80 -3.30 | ≤0.006 |
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) |
---|---|---|---|---|---|---|
956 (≥) | 335 (≥) | 44 | 43 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 122 |
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 |
---|---|---|---|---|---|---|---|
33 | - | - | 0.11 | - | |||
928 | 667 | - | 14.3 | 341 | - | ||
437 | - | 41 | 43.2 | 144 | 212 |
Heat treated : 1992°C - 1362°C
G 4902 (1991) | Corrosion-resisting and heat-resisting superalloy plates and sheets | G-4902-(1991).pdf |
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