1J87/1J88/1J89/1J90/1J91 alloy have high initial permeability, high hardness, high resistivity, and magnetic properties are not sensitive to stress, good resistance to abrasion
Main applications: Each kind of magnetic tape head of magnetic band device, chip as well as recorder, ferrite core of high frequency component
Specification/size
Strip(thickness*width ): 0.05mm~3.0mm*≤ 420mm
Bar: Round: Φ 5.5mm~250mm, square: 40mm~240mm*40mm~240mm
Wire: Φ 0.1mm~18mm
Plate(thickness*width*length): 3.0mm~60.0mm*1000mm*2000mm
Seamless tube: 6mm~219mm(OD)*0.5mm~18mm(WT)
Welded tube: 1mm~120mm(OD)*0.1mm~10mm(WT)
Brands |
Chemical analysis (%) |
Others |
C |
S |
P |
Mn |
Si |
Ni |
Cr |
Co |
M0 |
Cu |
Al |
Nb |
Fe |
≤ |
1J87 |
0.03 |
0.020 |
0.020 |
0.30~0.60 |
≤O.30 |
78.5~ 80.5 |
|
|
1.6~ 2.2 |
|
|
6.5~7.5 |
|
|
1J88 |
O.03 |
O.020 |
O.020 |
≤0.60 |
≤O.30 |
79.5~ 80.5 |
|
|
|
|
|
7.5~ 9.0 |
|
|
lJ89 |
0.03 |
O.020 |
O.020 |
O.50~1.00 |
≤O.30 |
78.5~ 80.5 |
|
|
3.5~ 4.5 |
|
|
3.0~ 3.6 |
|
Ti:1.8 ~2.8 |
lJ90 |
0.03 |
0.020 |
O.020 |
≤0.60 |
≤O.30 |
79.O~80.O |
|
|
1.8~2.2 |
|
O.40~ 0.60 |
4.8~ 7.2 |
|
|
1J91 |
0.03 |
O.020 |
O.020 |
≤O.60 |
≤O.30 |
78.5~80.O |
|
|
|
|
O.90~ 1.20 |
7.7~8.4 |
|
|