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Soft Magnetic Material 1J79 Precision Alloy for Transformer / Electronic Component Work
Quick Detail:
| Name | 1J79 Ni79Mo4 79 Permalloy | Application | Transformer core, Magnetic amplifier, Magnetic shielding |
| Condition | Bright/ Oxidized Soft/ Hard | Feature | High initial permeability alloy |
| Shape | Strip, Foil, Sheet, Wire | Standard | GBn198-88 10994-74 |
Description:
Chemical composition(%)
| Grade | C | Si | Mn | P | S | Ni | Cr | Mo | Fe |
| 1J79 | ≤0.03 | 0.3~0.5 | 0.6~1.1 | ≤0.02 | ≤0.02 | 78.5~80 | - | 3.8~4.1 | Bal. |
Physical properties
- Density (g/cm3): 8.6
- Curie point (): 450
- Electrical resistivity (μΩ*cm): 55 (20)
- Thermal conductivity ( W/m. ): 13.4
Magnetic properties
- Initial permeability μ0 (mH/m): ≥40
- Maximum permeability μm (mH/m): ≥310
- Coercivity Hc (A/m): ≤2.0
- Saturation magnetic induction Bs (T): 0.73
Specifications
| Grade | 1J79- Strip |
| Thickness | 0.01~5mm |
| Width | 4~250mm |
| Weight of coil | 2-50 kgs |
| Condition | Soft/ Hard; Bright/ Oxidized |
Soft Magnetic Material 1J79 Precision Alloy for Transformer / Electronic Component Work
