




Iron-nickel soft magnetic alloy with high magnetic permeability and low coercivity under weak magnetic fields1J50、1J79、1J85
Alloy Product Code | Chemical Composition% | ||||||||
C | S | P | Mn | Si | Ni | Mo | Cu | Fe | |
1J50 | ≤0.03 | ≤0.02 | ≤0.02 | 0.3~0.60 | 0.15~0.3 | 49~50.5 | ≤0.2 | Surplus | |
1J79 | ≤0.03 | ≤0.02 | ≤0.02 | 0.6~1.10 | 0.3~0.5 | 78.5~80 | 3.8~4.1 | ≤0.2 | Surplus |
1J85 | ≤0.03 | ≤0.02 | ≤0.02 | 0.3~0.60 | 0.15~0.3 | 79.0~81 | 4.8~5.2 | ≤0.2 | Surplus |
Alloy Number | Product Variety | Grade | Thickness or Diameter | In0.4A/mMagnetic permeability in magnetic field intensityμ0.4 | Please provide the Chinese content you would like translated into American English.0.08A/mMagnetic permeability in magnetic field strengthμ0.08 | High Permeabilityμm | Tensile strengthHC | Saturated magnetic induction intensityBs |
A/m | T | |||||||
Not less than | Not greater than | |||||||
1J50 | Cold Rolled Strip | Ⅰ | 0.1-0.19 | 2.9 | 40 | 14.4 | 1.5 | |
0.2-0.34 | 3.3 | 50 | 11.2 | 1.5 | ||||
0.35-0.50 | 3.8 | 62.5 | 9.6 | 1.5 | ||||
0.51-1.00 | 3.8 | 62.5 | 9.6 | 1.5 | ||||
1.10-2.50 | 3.5 | 56.3 | 9.6 | 1.5 | ||||
Ⅱ | 0.1-0.19 | 3.8 | 43.8 | 12. | 1.5 | |||
0.2-0.34 | 4.4 | 56.3 | 10.4 | 1.5 | ||||
0.35-0.5 | 5.0 | 65 | 8.8 | 1.5 | ||||
0.51-1.0 | 5.0 | 50 | 10. | 1.5 | ||||
1.1-2.5 | 3.8 | 44 | 12 | 1.5 | ||||
Hot-rolled flat steel | 3-22 | 3.1 | 31.3 | 14.4 | 1.5 | |||
Hot-rolled bars | 8-100 | 3.1 | 31.3 | 14.4 | 1.5 | |||
1J79 | Cold-rolled strip | Ⅰ | 0.1-0.19 | 25 | 162.5 | 2.0 | 0.75 | |
0.2-0.34 | 28 | 225 | 1.6 | 0.75 | ||||
0.35-1.0 | 31 | 250 | 1.2 | 0.75 | ||||
1.1-2.5 | 28 | 225 | 1.6 | 0.75 | ||||
Ⅱ | 0.1-0.19 | 28 | 190 | 1.2 | 0.75 | |||
0.2-0.34 | 31 | 250 | 1.2 | 0.75 | ||||
0.35-1.0 | 38 | 280 | 1.0 | 0.75 | ||||
1.1-2.5 | 31 | 230 | 1.2 | 0.75 | ||||
Ⅲ | 0.1-0.19 | 38 | 250 | 1.2 | 0.73 | |||
0.2-0.34 | 38 | 280 | 1.0 | 0.73 | ||||
0.35 | 44 | 310 | 1.0 | 0.73 | ||||
Hot-rolled flat steel | 3-22 | 25 | 125 | 2.4 | 0.75 | |||
Hot-rolled bar steel | 8-100 | 25 | 125 | 2.4 | 0.75 | |||
1J85 | Cold Rolled Strip | Ⅰ | 0.1-0.19 | 37.5 | 187.5 | 1.6 | 0.7 | |
0.2-0.34 | 50 | 225 | 1.2 | 0.7 | ||||
0.35-1.0 | 62.5 | 312.5 | 0.8 | 0.7 | ||||
1.1-2.5 | 50 | 187.5 | 1.2 | 0.7 | ||||
Ⅱ | 0.1-0.19 | 62.5 | 225 | 1.2 | 0.7 | |||
0.2-0.34 | 75 | 250 | 1.0 | 0.7 | ||||
0.35 | 68.8 | 325 | 0.7 | 0.7 | ||||
Hot-rolled flat steel | 3-22 | 37.5 | 125 | 1.6 | 0.7 | |||
Hot-rolled bar steel | 8-100 | 37.5 | 125 | 1.6 | 0.7 | |||
Alloy Number | Product Variety | Level | Thickness (m m) | When the peak magnetic field intensity is0.4A/m (1J79 1J85Please provide the Chinese content you would like translated into American English.0.1A/m)Elastic permeability at different frequenciesμ | ||
60Hz | 400Hz | 1KHz | ||||
MH/M | ||||||
Not less than | ||||||
1J50 | Cold Rolled Strip | Ⅱ | 0.10 | 3.9 | 3.8 | |
0.20 | 3.8 | 3.0 | ||||
0.35 | 5.0 | 3.8 | ||||
1J79 | Cold-rolled strip | Ⅱ | 0.10 | 22.5 | 15 | |
0.20 | 12.5 | 7.5 | ||||
0.35 | 25 | 8.8 | ||||
1J85 | Cold Rolled Strip | Ⅱ | 0.10 | 31.3 | 25 | |
0.20 | 23.8 | 10 | ||||
0.35 | 38 | 12.5 | ||||


































