... Work Die Steel Bar 1,forged or rolled 2,black or peeled or turned 3,UT pass 4,ISO9001 standard H13 Hot Work Die Steel ... Bar1,forged or rolled2,black or peeled or turned3,UT pass4, large stock5,ISO9001 standard ... .500 degree. Tools for hot forging of light metals. Pressure die casting tools,dies,mandrels,punchers, knives, and moulds.Heat Treatment ...