H13 8407 Hot Work Steel Round Bar 4–200mm Diameter High Temperature Resistant for Die Casting Pins and Forging Tools

H13 and 8407 hot work steel round bars are high-performance alloy steels designed for high-temperature applications such as die casting ejector pins, core pins, hot forging tools, and extrusion pins. These hot work steel round bars exhibit outstanding thermal fatigue resistance, high-temperature hardness, and toughness, enabling them to withstand repeated heating and cooling cycles without cracking or softening. As key components in die casting and hot forming systems, H13 and 8407 hot work steel round bars ensure stable performance and long service life under extreme working conditions.
Our hot work steel round bars are produced through strict smelting and rolling processes, ensuring uniform structure, high purity, and excellent hardenability. The round bars are available in diameters from 4mm to 200mm, with options for black surface, turned finish, and precision ground surfaces to meet different precision needs. After proper heat treatment, H13 and 8407 hot work steel round bars maintain high hardness and toughness at elevated temperatures, resisting wear, heat checking, and deformation during continuous production. Their good machinability allows for precise machining of complex pin geometries and cooling channels.
In die casting and hot forging industries, H13 and 8407 hot work steel round bars are widely used for ejector pins, guide pins, core pins, and small forging tools. The high thermal conductivity and stability of these materials help improve production efficiency and product quality. We provide customized length cutting, precision grinding, and chamfering services to ensure accurate dimensions and smooth surfaces. For manufacturers requiring reliable high-temperature tooling components, H13 and 8407 hot work steel round bars deliver superior performance, durability, and cost-effectiveness in demanding hot work environments.