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Precision alloy / Soft magnetic alloy1J87 rod
Precision alloy / Soft magnetic alloy1J87 rod
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 | ||||||
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