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ASM Handbook

Metalworking: Bulk Forming

Edited by
S.L. Semiatin
S.L. Semiatin
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ASM International
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Book Chapter

Dies and Die Materials for Hot Forging

Rajiv Shivpuri
Rajiv Shivpuri
Revising author
The Ohio State University
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Page range:
47 - 61
Publication history
February 27, 2006


This article addresses dies and die materials used for hot forging in vertical presses, hammers, and horizontal forging machines (upsetters). It reviews the properties of die materials for hot forging, including good hardenability, resistance to wear, plastic deformation, thermal fatigue, and mechanical fatigue. The article describes heat treating practices commonly employed for chromium- and tungsten-base AISI hot-work tool steels. It discusses the fabrication of impression dies, and the advantages and disadvantages of cast dies. The article concludes with a discussion on the factors that affect die life and safety precautions to be considered during die construction.

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Rajiv Shivpuri, 2005. "Dies and Die Materials for Hot Forging", Metalworking: Bulk Forming, S.L. Semiatin

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