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Rectangular Pipe seamless production process, what is redrawn Rectangular Pipe
Time 2014-9-15 See 1027
 
Production of rolled steel welded straight seam square and rectangular tube is generally on a large curtain wall structure, like 400 * 400 * 10,300 * 300 * 10 is specifically designed for use in the decoration on the walls, others want profiled specifications 150 * 100 * 10 100 * 120 * 10 are also produced by changes made ​​to pull the production process, change is pulling it straight seam pipe as the base material, by circular variance redrawn made​​. 
Similarly seamless square and rectangular tube are also made ​​of circular variance through the production process, the average for the wall thickness of the relatively thick square and rectangular tube, are round variant redrawn seamless square and rectangular tube, the material 20 #, Q345 two materials can also be labeled in accordance with European foreign customers or German standard, in accordance with the GB corresponding materials for the production of exports.

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