China GBT 2J12 Deformable permanent magnetic alloy and 2J12 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
Category | Type | Steel Grade | Standard | Country | Application |
---|---|---|---|---|---|
Steel Grades | Special Alloy | 2J12 | GBT | China | Deformable permanent magnetic alloy |
1J87 |
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1J88 |
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1J89 |
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1J90 |
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1J91 |
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2J04 |
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2J07 |
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2J09 |
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2J10 |
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2J11 |
C(%) | Si(%) | Mn(%) | P(%) | S(%) | Ni(%) | V(%) | Co(%) | Fe(%) |
---|---|---|---|---|---|---|---|---|
≤0.12 | ≤0.70 | ≤0.70 | 0.025 | 0.020 | ≤0.70 | 11.5-12.5 | 51.0-53.0 | Bal |
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) |
---|---|---|---|---|---|---|
438 (≥) | 743 (≥) | 34 | 42 | 22 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 423 |
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 |
---|---|---|---|---|---|---|---|
24 | - | - | 0.44 | - | |||
946 | 179 | - | 24.3 | 344 | - | ||
572 | - | 13 | 31.2 | 411 | 433 |
Heat treated : 1198°C - 1332°C
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