1J79 Soft Magnetic Alloy Strip
1J79 Soft Magnetic Alloy Strip (product code PT-XHA-PRA-00037) is listed under Industrial Products & MRO > Special Alloys > Precision Alloys and supplied in Singapore by PANDA COLLECTIONS (PANDATEC PTE. LTD.), a B2B procurement partner for businesses. High initial and maximum permeability with low coercivity for cores that must respond to small fields. Prices are quoted on request.
| Product code | PT-XHA-PRA-00037 |
|---|---|
| Category | Industrial Products & MRO > Special Alloys > Precision Alloys |
| Grade / designation | GB/T 15018 1J79 (Ni79Mo4 permalloy type) |
| Product form | Strip & Coil |
| Applicable standards | GB/T 15018, ASTM A753 (comparable) (confirmed per order) |
| Available forms | Strip, wire, plate, forged and hot-rolled bar, tube |
| Certificates | EN 10204 3.1 MTC on request |
| Minimum order | On request |
| Country of origin | China |
| Pricing | On request – customised quotation by PANDA COLLECTIONS |
| Supplied in | Singapore |
Product description
High initial and maximum permeability with low coercivity for cores that must respond to small fields. PANDA COLLECTIONS sources 1J79 for buyers in Singapore and internationally for project and bulk orders. Mill test certificates to EN 10204 3.1, full heat traceability, melting route (e.g. ESR/VAR), heat-treatment condition and NDT/testing requirements are confirmed per enquiry. Prices are not listed online; every order is quoted individually based on grade, dimensions, quantity, testing and certification requirements.
Technical data
| Chemical composition (%) | Ni 78.5–80.5, Mo 3.8–4.1, Mn 0.6–1.1, Si 0.3–0.5, C ≤0.03, Fe bal. |
|---|---|
| Mechanical properties | Rm ≥560 MPa, A5 ≥35 %, HV ≤205 (annealed) |
| Physical properties | Density 8.6 g/cm³; Bs >0.75 T; μi >25 mH/m; μm >125 mH/m; Hc <2.4 A/m |
Typical applications
- Pulse transformers
- Sensitive relays
- Magnetic amplifiers
- Current transformers
- Magnetic shielding
Industries: Electrical & Electronics, Telecommunications, Instrumentation
Updated October 27, 2026
Frequently asked questions
What is 1J79 used for?
Pulse transformers, sensitive relays, magnetic amplifiers, current transformers, magnetic shielding.
Which standards apply to 1J79?
GB/T 15018, ASTM A753 (comparable). Compliance, testing and certificates are confirmed for each order.
What forms and sizes of 1J79 are available?
Strip, wire, plate, forged and hot-rolled bar, tube. Sizes are cut or produced to order.
How do I get a price for 1J79 Soft Magnetic Alloy Strip?
Prices are not published. Request a customised quotation from PANDA COLLECTIONS with the product code PT-XHA-PRA-00037, size, quantity, testing and certificate requirements, and delivery address.
Can mill test certificates be provided?
Mill test certificates to EN 10204 3.1 with heat traceability can be requested. Melting route (e.g. ESR/VAR), heat-treatment condition and NDT requirements are confirmed per enquiry.
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