And if the purple red: nonmagnetic as high manganese steel, magnetic usually usually steel or low-alloy steel.
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。
2
The magneticsteel has the advantages of good enclosing performance, no magnetic leakage phenomenon, stable work, low cost and wide application range.
它封闭性能好，无磁漏现象，工作稳定且成本低，适用范围。
3
This article introduces weld formation of low carbon steel, stainless steel and al alloy by TIG welding in longitudinal intermittent alternative magnetic field.