1J79
Category：Magnetically soft alloy» | Date：2023-03-17
Brief introduction:
It’s Nickel-Iron soft magnetic alloy with high initial magnetic permeability
Used as transformers,mutual inductor, magnetic amplifiers, choke cores and magnetic shields operating in weak magnetic fields.
Chemical composition under GBn198-88 standard:
Grade chemical composition,% C P S Cu Mn Si Ni Mo Fe MAX 1J79 0.03 0.02 0.02 0.2 0.6~1.1 0.3~0.5 78.5~80 3.8~4.1 Remainder Remarks：If require adjustments for some chemical compositions, pls consult with us.
Physical and mechanical properties under GBn198-88 standard:
Grade Resisitivity
(μΩ•m)Density (g/cm3) Curie Point
℃High Saturated magneto-striction coefficient
λθ/10-6Brinell hardness
HBSTensile strength Rm N/mm2 Yield strength Rp 0.2 N/mm2 Elongation A % cold-drawn&hard soft cold-drawn&hard soft cold-drawn&hard soft cold-drawn&hard soft 1J79 0.55 8.6 450 2 210 120 1030 560 980 150 3 50 Typical average linear expansion coefficient value α,10-6/℃
Grade 20℃~100℃ 20℃~200℃ 20℃~300℃ 20℃~400℃ 20℃~500℃ 20℃~600℃ 20℃~700℃ 20℃~800℃ 20℃~900℃ 1J79 10.3~10.8 10.9~11.2 11.3~12.9 11.9~12.5 12.3~13.2 12.7~13.4 13.1~13.6 13.4~13.6 13.2~13.8 Main product types:
wire,rod, bar,strip, plate/sheet.
