UK B.S. BS 3072, BS 3074, BS 3076, NA21 Specialsteel Specification for nickel and nickel alloys: bar and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Class | Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Specialsteel | NA21 | B.S. | UK | Specification for nickel and nickel alloys: bar |
C | Si | Mn | P | S | Cr | Ni | Mo | Al | Cu | Ti | Fe | Co | Nb+Ta |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
≤0.10 | ≤0.50 | ≤0.50 | ≤0.015 | ≤0.015 | 20.00 -23.00 | 58.00 - ≥ | 8.00 -10.00 | ≤0.40 | ≤ ≥ | ≤0.40 | ≤5.00 | ≤1.00 | 3.15 -4.15 |
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) |
---|---|---|---|---|---|---|
232 (≥) | 185 (≥) | 41 | 44 | 21 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 334 |
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 |
---|---|---|---|---|---|---|---|
41 | - | - | 0.13 | - | |||
677 | 588 | - | 24.3 | 131 | - | ||
959 | - | 32 | 13.2 | 114 | 211 |
Heat treated : 1664°C - 1816°C
BS 3072 | Specification for nickel and nickel alloys: sheet and plate | BS-3072.pdf |
BS 3074 | Specification for nickel and nickel alloys: seamless tube | BS-3074.pdf |
BS 3076 | Specification for nickel and nickel alloys: bar | BS-3076.pdf |
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