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After stainless steel stamping, how to do it without magnetism?

2022-10-13

If the material used is austenitic stainless steel, it is nonmagnetic, but after cold working, a small amount of austenite will be transformed into martensite, so it will produce weak magnetism, but not very strong magnetism
If non-magnetic requirements are high, it is recommended to replace non-magnetic stainless steel.

latest company news about After stainless steel stamping, how to do it without magnetism? 0
After stainless steel stamping, how to do it without magnetism?
There are many kinds of stainless steel, which can be divided into several categories according to the structure at room temperature:
1. Austenitic type: such as 304, 321, 316, 310, 303, 305, 307, 302, etc;
2. Martensite or ferrite: such as 430, 420, 410, etc;

Austenite is nonmagnetic or weakly magnetic, while martensite or ferrite is magnetic.
In order to completely eliminate the magnetism of 304 steel caused by the above reasons, high temperature solution treatment can be used to restore the stable austenite structure, so as to eliminate the magnetism. Material used: 304M is slightly magnetic after cold working (about 1.6u-2.0u); 304HC magnetism is (about 1.01u-1.6u); The magnetism of 316 material after cold working is less than 1.01u. All materials have good ductility and are easy to be cold formed. The tensile strength and yield strength can meet the requirements. As long as you select the product correctly according to the actual use requirements, I believe it can meet your needs. After cold working, the magnetism of each material is 316<304HC<304m from weak to strong.

Shenzhen Perfect Precision Product Co., Ltd.

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After stainless steel stamping, how to do it without magnetism?

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