USA SAE B 649 (2006), B 649 R20033 Specialsteel Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Type | Standard | Country | Application |
---|---|---|---|---|---|---|
Steel Grades | Specialsteel | B 649 R20033 | Precipitation-Hardening | SAE | USA | Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire |
C | Si | Mn | Cr | Ni | Mo | Co | W | Al | Cu | Ti | Fe | Nb |
---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.12 | ≤0.30 | ≤0.80 | ≤19.00 | ≤14.00 | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤ ≥ | ≤remaining | ≤1.60 |
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) |
---|---|---|---|---|---|---|
814 (≥) | 528 (≥) | 32 | 12 | 12 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 134 |
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 |
---|---|---|---|---|---|---|---|
32 | - | - | 0.41 | - | |||
291 | 156 | - | 21.3 | 231 | - | ||
679 | - | 44 | 11.2 | 334 | 232 |
Heat treated : 1632°C - 1453°C
Grade | Standard | Country | Application |
---|---|---|---|
R-20 | |||
25Cr-20Ni | |||
25Cr-20Ni+ | |||
29Cr-20Ni | |||
25Cr-20Ni | |||
25Cr-20Ni | |||
25Cr-20Ni | |||
25Cr-20Ni | |||
25Cr-20Ni | |||
29Cr-20Ni | |||
29Cr-20Ni | |||
29Cr-20Ni |
B 649 (2006) | Nickel-iron-chromium-molybdenum-copper low-carbon alloys bar and wire | B-649-(2006).pdf |
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