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DIN Cold Drawing and BA Seamless Tube with High Precision
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About Us
Synopsis of Process Routing: quality carbon steel → cold drawing → bright heat treatment without oxidization (NBK status) → nondestructive testing. In the wall honing and inside flushing under the high pressure→. Antirust oiling outside surface→plastic capping on both ends
Main Features: high accuracy, excellent brightness, no oxidization on the outer and inner walls after heat treatment, high cleanness inside wall. The steel tube is able to stand high pressure. No deformation after cold ...
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