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Produced into A519 from 1020/1026 carbon steel and various alloy grades, cold drawn seamless (CDS) tubes have closer dimensional tolerances, better surface finish and higher mechanical properties than the corresponding grades of hot finished seamless tubes

A519 Cold Drawn Seamless Tube (CDS)


Cold – worked mechanical tubing is normally produced to OD and wall thickness.  If the ID is a more important dimension then cold – worked tubing should be specified to the ID and wall thickness or OD and ID.


Cylinders or tubes that require a heavier wall thickness