DIN Internally and Externally Galvanized Steel Tube with High Precision

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DIN Internally and Externally Galvanized Steel Tube with High Precisio...

Posting date : Oct 24, 2011

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METALS | Iron and s

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72-

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Synopsis of Process Routing: DIN highly accurate, cold drawn and bright seamless steel tube is used as the tube to be internally and externally galvanized. The inner and outer wall of tube areelectroplate, and/or passivated with military green after galvanizing. The caps are used to cover two ends of tube to prevent from the dust. . 　　Main Features: the inner and outer walls of tube are galvanized and/or passivated which have remarkable properties of antirust and anticorrosion. The zinc white, color zinc (zinc yellow) and passivation with military green can be realized.Note: the length of tube is not exceeded 3m. 　　Main Features of passivation: High anti corrosive performance, Salt spray testing as per GB/T10125,Testing times for 240 houses,with not rusting. 　　Main Application: used in military industry, automotive and locomotive industries and in the case where the high antirust and anticorrosion for inner and outer tube walls are required