OTAI SPECIAL STEEL is H13 round bar stockholders and suppliers from China. Whats' more, We Supply in DIN 1.2344 tool steel round bar, flat bar and plate more 18 years experience. H13 chromium hot-work steel is widely used in hot and cold work tooling applications. Due to its excellent combination of high toughness and fatigue resistance H13 is used more than any other tool steel in tooling applications. Din 1.2344 Steel is a high quality Hot work tool steel, and it belong to the high quality high carbon alloy tool steel. And Oil Quenche & Tempere Hardness is 28-34 HRC. And DIN 1.2344 steel Annealing delivery hardness less than 250HB. And DIN 1.2344 steels are mainly used for forming extrusion dies.Typical applications include casting molds aluminum, magnesium, zinc, copper and aluminum extrusion dies, liners, spindles, pressure pad, followers, pad, die, the death and the adapter ring copper and brass extrusion. Moreover, DIN 1.2344 is used to produce hot stamping and extrusion die forging, thermal upsetting dies, jigs mold, hot embossing, punching, trimming tools. Other applications include plastic molds, shear blades for heat and hot extrusion dies.