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Stainless Steel Welded PipeStainless steel welded pipes shall be made by the manual or automatic electric-welding process. It shall be made from flat-rolled stainless steel sheet, coils, or plate by a shielded arc-welding process. Stainless welded pipes shall be furnished clean and free of scale. All stainless welded pipes shall have smooth ends free of burrs and shall not deviate from straightness by more than 0.8mm in 900mm of length. Stainless steel welded tubes, after final heat treatment, shall be chemically descaled or pickled free of scale. When bright annealing is used, pickling or che