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THE METALLURGICAL BENEFITS OF COLD ROLLING HIGH PERFORMANCE ALLOYS INSTEAD OF COLD DRAWING TO MANUFACTURE THIN WALL TUBING

Abstract

This paper will briefly touch on the origin of the HPTR rolling process and explain the mechanics and advantages of the original 3-roll lever-type HPTR and an improved 6-roll pinion driven variant.  Examples will be included to illustrate the manufacturing and metallurgical benefits of cold rolling high performance alloys instead of cold drawing, the efficiency and lean potential of rolling, and how this process has been optimized in recent years to produce a wide range of thin wall tubing in conjunction with traditional pilger mills and draw benches.

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