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ASM Handbook

Properties and Selection: Irons, Steels, and High-Performance Alloys

By
ASM Handbook Committee
ASM Handbook Committee
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ASM International
Volume
1
ISBN electronic:
978-1-62708-161-0
Publication date:
1990
Book Chapter

Cold-Finished Steel Bars

By
ASM Committee on Cold-Finished Bars
ASM Committee on Cold-Finished Bars
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K.M. Shupe
K.M. Shupe
Revising author
Bliss & Laughlin Steel Company
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Richard B. Smith
Richard B. Smith
Revising author
Stanadyne Western Steel
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Steve Slavonic
Steve Slavonic
Revising author
Teledyne Columbia-Summerill
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B.F. Leighton
B.F. Leighton
Revising author
Canadian Drawn Steel Company
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W. Gismondi
W. Gismondi
Revising author
Union Drawn Steel Company, Ltd.
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John R. Stubbles
John R. Stubbles
Revising author
LTV Steel Company
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Kurt W. Boehm
Kurt W. Boehm
Revising author
Nucor Steel
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Donald M. Keane
Donald M. Keane
Revising author
LaSalle Steel Company
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Published:
1990
Page range:
248 - 271

Abstract

Cold-finished steel bars are carbon and alloy steel bar products (round, square, hexagonal, flat, or special shapes) that are produced by cold finishing previous hot-wrought bars. by means of cold drawing, cold forming, turning, grinding, or polishing (singly or in combination) to yield straight lengths or coils that are uniform throughout their length. Cold-finished bars fall into five classifications: cold-drawn bars; turned and polished bars; cold-drawn, ground, and polished bars; turned, ground, and polished bars; cold-drawn, turned, ground, and polished bars. Different size tolerances are applicable to cold-finished products, depending on shape, carbon content, and heat treatment. When used to identify cold-finished steel bars, the various quality descriptors are indicative of many characteristics, such as degree of internal soundness, relative uniformity of chemical composition, and relative freedom from detrimental surface imperfections. Cold drawing significantly increases machinability, tensile and yield strengths of steel bars. Two special die-drawing processes have been developed to give improved properties over those offered by standard drawing practices. These processes are cold drawing using heavier-than-normal drafts, followed by stress relieving; and drawing at elevated temperatures.

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ASM Committee on Cold-Finished Bars , K.M. Shupe, Richard B. Smith, Steve Slavonic, B.F. Leighton, W. Gismondi, John R. Stubbles, Kurt W. Boehm, Donald M. Keane, 1990. "Cold-Finished Steel Bars", Properties and Selection: Irons, Steels, and High-Performance Alloys, ASM Handbook Committee

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