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ASM Handbook

Surface Engineering

Edited by
C.M. Cotell
C.M. Cotell
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J.A. Sprague
J.A. Sprague
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F.A. Smidt, Jr.
F.A. Smidt, Jr.
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ASM International
Volume
5
ISBN electronic:
978-1-62708-170-2
Publication date:
1994
Book Chapter

Pickling and Descaling

By
Robert M. Hudson
Robert M. Hudson
Consultant
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Published:
1994
Page range:
67 - 78

Abstract

Pickling is the most common of several processes used to remove scale from steel surfaces. This article provides a discussion on pickling solutions, such as sulfuric and hydrochloric acid, and describes the role of inhibitors in acid pickling. It discusses the equipment and processes involved in the batch, continuous, and electrolytic pickling of carbon steel components. The article describes the effects of process variables on scale removal in sulfuric and hydrochloric acid. It concludes with a description of pickling defects, spent pickle liquor disposal, and safety practices.

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Robert M. Hudson, 1994. "Pickling and Descaling", Surface Engineering, C.M. Cotell, J.A. Sprague, F.A. Smidt, Jr.

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