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AISI H11 Steel is a hot work tool steel. H11 is equivalent with JIS SKD6, GB 4Cr5MoSiV and DIN 1.2343 Tool Steel. H11 Tool Steel consists of chromium, molybdenum and vanadium and is known for its high hardenability and great toughness. ASTM H11 tool steel than H13 tool steel only less Reduced the Vanadium composition. H13 steel have 0.6-1.2% Vanadium, H11 steel Vanadium composition only have 0.3-0.6%. The molybdenum and vanadium act as strengthening agents while the chromium content helps the H-11 tool steel to withstand softening when used at high temperatures. It also combines shock and abrasion resistance, has good red hardness, can resist rapid cooling and withstand premature heat checking. The H11 tool steel has good machinability, good weldability and good ductility and it can be formed by conventional means. So H11 tool steel applications is very range in hot forged mold, hot work tool. H11 Tool Steel is used in hot forging dies, hot forging die inserts, hot gripper dies, hot nut tools, hot header dies, brass forging and pressing dies, hot forging aluminum base dies, aluminum casting and extrusion dies, zinc die casting dies, extrusion mandrels, plastic molds, cores, die holder blocks, hot press dies, hot work punches, etc.