1J85 Iron-Nickel Soft Magnetic Alloy(Permalloy 80): High Permeability and Low Coercivity in Weak Magnetic Fields
Product Overview: 1J85 Strip Soft Magnetic Alloy
The 1J85 Strip Soft Magnetic Alloy represents the pinnacle of nickel‑iron materials engineered for environments demanding exceptional magnetic responsiveness and structural stability. With a nickel content approaching 80% and a precise molybdenum addition, this precision‑crafted strip offers superior initial permeability, low coercivity, and consistent performance across a broad temperature range. Designed for seamless integration into transformers, inductors, magnetic amplifiers, and shielding devices, the 1J85 Strip delivers reliable attenuation of stray magnetic fields while maintaining minimal energy loss. Its controlled mechanical strength and ductility facilitate precision stamping and forming, enabling complex geometries without compromising magnetic properties. Whether deployed in high‑frequency sensors in Southeast Asia’s cutting‑edge electronics or robust relay cores across the Middle East’s power grids, this strip ensures peak efficiency. Engineered to conform to GB/T15018‑1994, GBn198‑1988, and GB/T14986‑2008 standards, the 1J85 Strip stands as a versatile solution for global applications, from automotive sensors in Europe to communication relays in the Americas
Key Specifications of 1J85 Strip
Below is a consolidated view of the 1J85 Strip’s core specifications, covering composition, mechanical performance, physical parameters, and applicable standards.
Chemical Composition of 1J85 Strip
Mechanical Performance of 1J85 Strip
Physical Parameters of 1J85 Strip
Execution Standards for 1J85 Strip
Applications
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Transformers & Inductors: Core laminations for power and signal transformers
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Magnetic Amplifiers & Chokes: Precision cores in power conditioning
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Pulse Transformers: High‑frequency pulse shaping and isolation
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Magnetic Shielding & Sensor Cores: Enclosures and flux paths in sensitive equipment
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High‑Sensitivity Relays: Armatures and pole pieces in telecom and automotive relays
Why Choose 1J85 Strip
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High-Performance Magnetic Response in 1J85 Strip ensures precise field control.
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1J85 Strip’s elevated resistivity reduces eddy current losses in high‑frequency applications.
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Engineered for superior ductility, 1J85 Strip supports complex component geometries.
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Thermal resilience up to 400 °C in 1J85 Strip for demanding operational environments.
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Conforms to GB/T15018‑1994, GBn198‑1988, and GB/T14986‑2008 for reliable standard compliance.
Frequently Asked Questions (FAQ)
Q1: What is the chemical composition range of the 1J85 Strip?
A: It comprises 79–81 % nickel, 4.8–5.2 % molybdenum, 0.30–0.60 % manganese, 0.15–0.30 % silicon, with trace C, P, S not exceeding 0.03 %, 0.02 %, 0.02 % respectively; balance iron.
Q2: What mechanical properties does the 1J85 Strip exhibit?
A: In the annealed state, it offers tensile strength ≥ 560 MPa, elongation ≥ 35 %, and Vickers hardness ≤ 205 Hv, combining strength with formability.
Q3: What are the physical parameters of the 1J85 Strip?
A: Density is 8.75 g/cm³; melting point ranges from 1,395 °C to 1,425 °C; resistivity is 0.56 μΩ·m; Curie point sits at 400 °C.
Q4: Which execution standards govern the production of the 1J85 Strip?
A: It’s produced to GB/T15018‑1994, GBn198‑1988, and GB/T14986‑2008 specifications, ensuring tight dimensional and compositional control.
Q5: In which industries is the 1J85 Strip most commonly used?
A: It’s widely adopted in electrical transformers, choke coils, pulse transformers, magnetic amplifiers, high‑sensitivity relays, and shielding applications across automotive, telecommunications, and industrial sectors.
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