... 904L, Inconel 400, Inconel 600, Inconel 625 hot sale stainless steel pipe Grade: 321, 304, 304L, 316, 316L, 317, ... , Inconel 625, Inconel 800/800H and more Stand Stainless Steel Pipe/tube1) Grade: 304L, 316/L/H, 321/H ... Corrosion, according to customers' requests. NameStainless Steel TubeItemsSquare pipes, round tubes, oval pipes, special shaped pipes, empaistic pipes, fittingsStandardASTM A554, A249 ...