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。

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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。

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