... . Namewelded pipeItemsSquare tubes, round tubes, oval pipes, special shaped pipes,empaistic pipes, fittingsStandardASTM A554, A249, A269 and A270Material Grade201: Ni 0.8%~1%202 ... of stainless steel products, including stainless steel decorative pipes, industrial stainless welded pipes, special-shaped pipes and etc. Main materials are:304, 201,202,316 ...