... Hot 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 ... combination of toughness, hardness and wear resistance in hot. Resistance to softening and to cracking.Tools can ... to tool working temp.500 degree. Tools for hot forging of light metals. Pressure die casting tools ... offer different types of steels, including square, flat and round