USA ASTM B 637 (2012), B 637 N07718 Superalloys Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Class | Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Superalloys | B 637 N07718 | ASTM | USA | Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service | 
| C | Cr | Mo | Ni | Al | Nb | Fe | Si | Mn | P | S | B | 
|---|---|---|---|---|---|---|---|---|---|---|---|
| ≤0.03 | 17.0 -21.0 | 2.80 -3.30 | 50.0 -55.0 | 0.20 -0.60 | 4.75 -5.50 | ≤Bal | ≤0.35 | ≤0.35 | ≤0.015 | ≤0.015 | ≤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) | 
|---|---|---|---|---|---|---|
| 476 (≥) | 185 (≥) | 24 | 31 | 42 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 333 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 43 | - | - | 0.41 | - | |||
| 815 | 666 | - | 13.3 | 424 | - | ||
| 366 | - | 33 | 13.2 | 131 | 334 | 
Heat treated : 1398°C - 1637°C
| Grade | Standard | Country | Application | 
|---|---|---|---|
| NiCr19Fe19Nb5Mo3 | 
| B 637 (2012) | Precipitation-Hardening and Cold Worked Nickel Alloy Bars, Forgings, and Forging Stock for Moderate or High Temperature Service | B-637-(2012).pdf | 
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