Manganese metal is very useful, if in steel join 2.5-3.5% of manganese, then water-heating lowmanganesesteel simply brittle like glass, as a knock is broken.
And if the purple red: nonmagnetic as high manganesesteel, 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。
3
Our products: Various gray iron, ductile iron, common cast steel, low-alloy steel, high manganese steel, etc various parts of architectural and mechanical engineering.