... : 321, 304, 304L, 316, 316L, 317, 317L, 310s, 904L, Inconel 400, Inconel 600, Inconel 625, Inconel 800/800H and more Stand Stainless Steel Pipe/tube1 ... , according to customers' requests. NameStainless Steel TubeItemsSquare pipes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittingsStandardASTM A554, A249, A269 and A270Material Grade201 ...