22*1mm DOM Welded Cold Drawn Steel Pipes

DOM Welded Steel Tubing Precision Steel Tues Precision DOM Mechanical Tubing ASTM A513 / EN10305-2 Size Range: OD: 6-100mm, WT: 1-10mm, Length: 5.8m/6m, maximal 11.8m Stable Quality with Comeptitive Price Good Extending and Bending Ability EN10305-2 Welded Precision Steel Tubes, is produced by cold drawing over mandrel and die on the ERW welded steel tube, to achieve better tolerance and good concentricity, both outside and inside weld seam is completely removed during the cold drawing process. ASTM A519 T5/A513  SAE1010,SAE1008,SAE1020 Delivery condition: 1). +C No heat treatment after the final cold drawig process 2). +LC After the final heat treatment there is a suitable drawing pass 3). +SR After the final cold drawing process there is a stress relieve heat treatment in a controlled atmosphere 4). +A After the final cold drawing process the tubes are annealed in a…

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