Shanghai Tankii Alloy Material Co.,Ltd
Shanghai Tankii Alloy Material Co.,Ltd First Quality, Sincere Service
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Soft Magnetic Material 1J79 Precision Alloy for Transformer / Electronic Component Work
Quick Detail:
| Name | 1J79 Ni79Mo4 79НМ 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 ГОСТ 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
Magnetic properties
Specifications
| Grade | 1J79- Strip |
| Thickness | 0.01~5mm |
| Width | 4~250mm |
| Weight of coil | 2-50 kgs |
| Condition | Soft/ Hard; Bright/ Oxidized |
The main features of 1J79(permalloy) is high initial permeability. Be used in a weak magnetic field like Transformer, Magnetic amplifier, Core and Magnetically shielded.
Heat Treatment:
In the hydrogen or vacuum medium, pressure is less than 0.1Pa. The furnace was heated to 1100-1150 degrees Celsius, Holding for 3-6 hours. With speed 100~200 degrees Celsius/ hour cooling to 600 degrees, Be taken when rapid cooling to 300 degrees.