FIREDIE 9 is a chromium-molybdenum-cobalt hot-work steel. It has outstanding resistance to softening in elevated-temperature service; the cobalt gives this steel its superior heat resistance. Firedie 9 has excellent resistance to thermal shock; in fact, dies can be water cooled durin operation without fear of cracking. Among its many applications are forging dies, hot-extrusion mandrels, hot-shear blades, die-casting dies and hot punches. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, and machining. Filing Code: TS-450. Producer or source: Columbia Tool Steel Company.

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