1J50
Soft magnetic Fe-Ni alloy with high permeability and low coercivity for transformer cores and magnetic shielding.
Introduction
§01 — General1J50 is a Chinese soft magnetic alloy (50% Ni-Fe) offering high initial permeability, low coercivity and high saturation induction. It is the standard material for instrument transformer cores, magnetic amplifiers, relay armatures and electromagnetic shielding applications.
Quick Facts
- Density
- 8.2 g/cm³
- Max Service Temp
- 450°C
- Series
- Precision
Available Product Forms
§02 — FormsKey Characteristics
§03 — FeaturesTypical Uses
§04 — ApplicationsExplore Related Alloys
Frequently Asked Questions
1J50 FAQWhat is 1J50 used for?
1J50 is a Precision alloy used in Instrument transformer cores, Magnetic amplifier laminations, Relay and solenoid armatures. It offers High initial permeability (>30,000) and Low coercivity (<8 A/m).
What is the chemical composition of 1J50?
1J50 is a controlled-composition Precision alloy supplied to GB/T 14986 and IEC 60404-8-6. We provide the full mill test certificate with heat-specific chemistry on request.
What forms is 1J50 available in?
1J50 is regularly supplied in Wire, Strip, Plate & Sheet, Bar & Rod. Custom forms and dimensions available on request.
What is the maximum service temperature of 1J50?
1J50 is rated for service up to 450°C. Contact our metallurgy team for specific application recommendations.
Need 1J50 material?
Request a quote with your specification — grade, form, dimensions and quantity.