AISI Type D7 is a high-carbon high-chromium cold-work tool steel containing vanadium (4.0%) and molybdenum (1.0%). Its carbon and vanadium form a vanadium carbide that provides wear resistance many times greater than that of AISI Type D3. Type D7 was developed for applications where extreme abrasive wear is needed. Its many applications include briquetting dies and punches, brick mold liners, pottery tools, broaches, meat-chopper plates and cold-extrusion dies. This datasheet provides information on composition, physical properties, hardness, and elasticity. It also includes information on forming, heat treating, machining, and surface treatment. Filing Code: TS-371. Producer or source: Tool steel mills.

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