1, size of h13 steel Round bar Diameter(mm) length (mm) Max:800 max:9000 Plate Thickness(mm) width (mm) length (mm) Max:800 max:1500 max:6000 The specification can be customized. 2, chemical compositons C si mn p s cr mo v 0.32-0.45 0.80-1.20 0.20-0.50 â?¤0.030 â?¤0.030 4.75-5.50 1.10-1.75 0.80-1.20 3, features of h13 steel 1, hot work tool steel 2, very good red-hardness with toughnes 3, tools may be water-cooled in service 4, may be cold-hobbed in the annealed condition 4, typical applications 1, casting dies for aluminium, magnesium and zinc 2, extrusion dies and adaptor ring 3, hot stamping and press forge dies 4, shear blades for hot work and hot swaging dies