Suzhou Xunshi New Material Co., Ltd
SUZHOU XUNSHI NEW MATERIAL CO., LTD CHOOSE XUNSHI, CHOOSE HIGH PERFORMANCE
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2J31 Iron-Cobalt-Vanadium Permanent-Magnet Alloy Cold Rolled Strip
A-ONE ALLOY is able to produce 2J31 permenent magnet alloy in forms of wire, strip or per customer requirement.
2J31 is used to make small section permanent magnet and recording material.
Forms available: cold drawn wire and cold rolled strip
Size range:
Wire diameter: 0.05~3.0mm
Strip thickness: 0.20~1.00mm
Chemical composition
| Element | C | Si | Mn | P | S | Ni | Co | V | Fe |
| Weight(%) | 0.12 max. | 0.50 max. | 0.50 max. | 0.025 max. | 0.020 max | 0.70 max. | 51.0~53.0 | 10.8~11.7 | Balance |
Delivery condition: without heat treatment
The parts should be heat treated after they are processed to get required magnetic properties.
Magnetic properties(after heat treatment)
| Form | Cold drawn wire | Cold rolled strip | ||||
| Parameter |
Hc (kA/m) |
Br (T) |
Br·Hc (kJ/m3) |
Hc (kA/m) |
Br (T) |
Br·Hc (kJ/m3) |
| Value | 23.88 min. | 1.00 min. | 23.88 min. | 17.51 min. | 1.0 min. | 19.10 min. |
Heat treatment
| Grade | Temperature(°C) | Duration(min) | Cooling |
| 2J31 | 580~640 | 20~60 | air cool |