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ASM Handbook

Heat Treating of Irons and Steels

Edited by
Jon L. Dossett
Jon L. Dossett
Consultant
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George E. Totten
George E. Totten
Portland State University
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ASM International
Volume
4D
ISBN electronic:
978-1-62708-168-9
Publication date:
2014
Book Chapter

Forge and Direct Heat Treatment Processes and Technologies

By
H. Tahira
H. Tahira
Nippon Steel & Sumitomo Metal Corporation (NSSMC)
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K. Funatani
K. Funatani
IMST Institute
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Published:
2014
Page range:
241 - 252
Publication history
October 30, 2014

Abstract

This article provides general information on the definition, purposes, and quench equipment for direct-forge quenching (DFQ) and direct heat treatment (DHT) processes that are widely used in automotive and various other mechanical industries. It discusses the technological advances in these processes and their ability to produce high-quality components at low production cost from microalloyed steels. Further, the article describes the influence of carbon contents on toughness of microalloyed direct heat treated steels. It focuses on the DFQ and DHT steel technologies applied in continuous rolling mills to produce various DHT steels for machining and cold forming applications.

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H. Tahira, K. Funatani, 2014. "Forge and Direct Heat Treatment Processes and Technologies", Heat Treating of Irons and Steels, Jon L. Dossett, George E. Totten

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