AISI / ASTM Soft Iron Alloy High Permeability For Transformers
High Permeability 1J79 Soft Magnetic Alloy 1J79 Permalloy
Product Details
Similar to the brand
| GB/T | AISI/ASTM |
| 1J79 | Alloy4 |
Chemical composition:
| Brand | % | Ni | Fe | C | Mn | Si | P | S | Cu | Mo |
| 1J79 | Min | 78.5 | - | 0.6 | 0.3 | 3.8 | ||||
| Max | 80.5 | 0.03 | 1.1 | 0.5 | 0.020 | 0.020 | 0,20 | 4.1 |
Physical properties of 1J79
| The density | 8.6 g/cm3 |
| Curie point | 450℃ |
Mechanical properties of alloys at room temperature
| Brand | Varieties | magnetic | |||
|
Initial permeability μO(mH/m) |
Maximum permeability μm(mH/m) |
Coercive force Hc (A/m) |
Saturation magnetic induction intensity Bs(T) |
||
| 1J79 | cold-rolled belt | ≥31 | ≥250 | ≤1.2 | 0.75 |
|
Forged (rolled) rod and plate |
≥25 | ≥125 | ≤2.4 | 0.75 | |
Features and applications of 1J79
Transformers, transformers, magnetic amplifiers, choke cores and magnetic shielding with high initial permeability and operating in a weak magnetic field.
Product display
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Production Process
FAQ
1.Are you trading or manufacturer ?
We are company,and we have our own factory
2.How long is your delivery time?
| Quantity(kilograms) | 1 - 500 | >500 |
| Est. Time(days) | 10 | To be negotiated |
3.Do you provide samples ? is it free or extra ?
Yes, we could offer the sample for free charge but do not pay the cost of freight.
If you have another question, pls feel free to contact us
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.


