BaoJi Fitow Metal Co., LTD
Tel : 8613909176258
Email: sales@fitowmetal.com
Add:Tai Cheng Road ,WeiBin Bistrict,Baoji City,ShaanXi Province,China Zip code :721013
soft magnetic alloy50 1J50
|
Alloy |
Dimension /mm |
|
FeNi50 |
Cold rolled strip: 0.03~0.1× 180~250 |
Average linear expansion coefficients
|
Alloy |
Heat treatment |
Average linear expansion coefficient a /10 -6 • K -1 |
||
|
20~300 |
20~400 |
20~450 |
||
|
FeNi50 |
Heating to 900 ± 20 degree Celcius in hydrogen, holding for one hour, cooling at a rate less than 5 degree Celcius per minute to 200 degree Celcius, then air cooling. |
9.2~10.0 |
9.2~9.9 |
- |
1.Typical chemical composition
| material | C | Si | Mn | P | S | Ni | Cr | Mo | Fe |
| 1J50 | 0.010 | 0.17 | 0.35 | 0.006 | 0.005 | 49.80 | 0.02 | Bal | |
| 1J79 | 0.010 | 0.38 | 0.85 | 0.005 | 0.003 | 79.50 | 0.02 | 3.95 | Bal |
| 1J85 | 0.010 | 0.18 | 0.35 | 0.005 | 0.003 | 80.30 | 0.02 | 4.95 | Bal |
2.physical properties
| material | density(g/cm3) | mean coefficient of thermal expansion(10-6/°c) | curie point(°c) | electrical resistivity(μΩ.cm) | thermal conductivity(w/m.°c) |
| 1J50 | 8.2 | 8.2(20°c-100°c) | 498 | 45(20°c) | 16.5 |
| 1J79 | 8.6 | 11.0 (20°c-100°c) | 450 | 55(20°c) | 13.4 |
| 1J85 | 8.75 | 12.4 (20°c-100°c) | 450 | 56(20°c) | 18.7 |
3.magnetic properties
|
material |
initial permeability(μomH/m) | maximum permeability(μmmH/m) | coercivity Hc(A/m) | saturation magnetic induction Bs(T) |
| 1J50 | ≥8.0 | ≥50 | ≤10 | 1.5 |
| 1J79 | ≥40 | ≥310 | ≤2.0 | 0.73 |
| 1J85 | ≥60 | ≥280 | ≤2.0 |
