... ,YWN15,YGX15,YGX1,YG8T,YG15C,YG20C1:Characteristics of Alloy moulds:A: Hard alloy with high hardness,resistant to oxidation, high temperature ... tenacity resistant to high speed repetitive impact.YWN15: The alloy is for moulds forming magetic products such as NdFeB magn ... Used in stretching and reforming stainless steel and iron and silicon steel for its high hardness and abrasion resistance.YG8T:Used ...