China GBT 2J63 Deformable permanent magnetic alloy and 2J63 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.
| Category | Type | Steel Grade | Standard | Country | Application | 
|---|---|---|---|---|---|
| Steel Grades | Special Alloy | 2J63 | GBT | China | Deformable permanent magnetic alloy | 
| 2J21 | 
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| 2J23 | 
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| 2J25 | 
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| 2J27 | 
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| 2J31 | 
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| 2J32 | 
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| 2J33 | 
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| 2J51 | 
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| 2J52 | 
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| 2J53 | 
                                
| C(%) | Si(%) | Mn(%) | P(%) | S(%) | Cr(%) | Ni(%) | Fe(%) | 
|---|---|---|---|---|---|---|---|
| 0.95-1.10 | 0.17-0.40 | 0.20-0.40 | 0.030 | 0.020 | 2.8-3.6 | ≤0.30 | 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) | 
|---|---|---|---|---|---|---|
| 838 (≥) | 381 (≥) | 24 | 34 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 444 | 
| 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 | 
|---|---|---|---|---|---|---|---|
| 13 | - | - | 0.21 | - | |||
| 535 | 244 | - | 43.3 | 141 | - | ||
| 925 | - | 44 | 42.2 | 222 | 123 | 
Heat treated : 1625°C - 1617°C
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