而假如变紫红色：无磁性的为高锰钢，有磁性的通常为通常钢或低合金钢。

And if the purple red: nonmagnetic as high manganese steel, magnetic usually usually steel or low-alloy steel.

youdao

铬镍不锈钢在退火状况下通常是无磁性的，在冷加工之后，有的会有磁性的。

Chromium nickel stainless steel is usually non - magnetic in the annealed state, some of which are magnetic after cold working.

youdao

它总是有一些光面和微磁性的不锈钢紧固盖螺钉。

It always has a number of smooth and micro-magnetic stainless steel fastening screw cap.

youdao