cold-drawn


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cold-drawn

Descriptive of metal which has been drawn through a set of dies designed to reduce its cross-sectional area without heating the metal. The process is used in the fabrication of rod, tubing, and wire.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Tso stressed that Shuan Hwa is a pioneer of cold-drawn pipe maker in Taiwan, with factories in Taiwan and Vietnam that turn out monthly 1,500 tons and 1,000 tons, respectively, and that his company's advanced techniques in precision pipe making match those in Europe and Japan.
In this approach, a highly oriented, highly crystalline film, with a well-defined stacked-lamellar morphology is cold-drawn along the machine direction (MD).
The Rathbone cold-draw process offers many advantages to designers and manufacturers whose products can use cold-drawn shapes.
The [R.sub.I] segment represents the cold-drawn region (up to 100%) with a reduced diameter; [R.sub.II] the additionally cold-drawn region (up to 100% + 70%; the latter drawn in the high-pressure chamber in a silicon oil environment); [R.sub.III] the shoulder of the neck; and [R.sub.IV] the remaining undeformed segment.
New choices in precision parts: Cold-drawn profile shapes in larger sizes This article describes the benefits of cold drawing, briefly describes the manufacturing process, and presents some examples of larger parts now being made by Rathbone cold draw.
The study involved the following procudure: tensile samples of HDPE and PP were cold-drawn in an Insto n testing machine at atmospheric pressure and room temperature to develop stress-whitening; the stress-whitened samples were subsequently, after days of rest, pulled in hydrostatic pressure environment at room temperature; the stress-whitened section was partially or completely healed depending on the magnitude of the applied stress (or strain) and the intensity of hydrostatic pressure.
However, in their paper, the physical characteristics of the cold-drawn state were not examined, which is considered an important omission and necessary to explain important features of the necking phenomena.