|   | Shanghai Hite Special Alloy Co., Ltd. QUALITY AND SERVICE ARE THE THINGS MAKE US PROUD OF WHAT WE DO | Beijing Time, China | 
Brief introduction:
It's Ni-Fe soft magnetic alloy with high magnetic permeability, high saturation magnetic induction.
Mainly used for transformers, relays, electromagnetic clutch cores working in medium magnetic fields.
Chemical composition under GBn198-88 standard:
| Grade | chemical composition,% | |||||||
| C | P | S | Cu | Mn | Si | Ni | Fe | |
| MAX | ||||||||
| 1J50 | 0.03 | 0.02 | 0.02 | 0.2 | 0.3~0.6 | 0.15~0.3 | 49.5~50.5 | Remainder | 
Remarks:If require adjustments for some chemical compositions, pls consult with us.
Physical and mechanical properties under GBn198-88 standard:
| Grade | Resisitivity | Density | Curie Point | High Saturated magneto-striction coefficient | Brinell hardness | |
| (μΩ•m) | (g/cm3) | ℃ | λθ/10-6 | HBS | ||
| cold-drawn&hard | soft | |||||
| 1J50 | 0.45 | 8.2 | 500 | 25 | 170 | 130 | 
| Tensile 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 | |
| 785 | 450 | 685 | 150 | 3 | 37 | |
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℃ | 
| 1J50 | 8.9 | 9.2 | 9.2 | 9.2 | 9.4 | - | - | - | - | 
Main product types:
wire,rod, bar,strip, plate/sheet.
|  | Alloy 50 document: | 
| alloy50.pdf |