Xintiangang Steel stocks a wide range of industry standard sizes of both welded and seamless stainless steel pipes. Our inventories primarily consist of the austenitic grades of 304, 304L, 316, 316L, in a size range from 1/8" to 24" NPS. Material is stocked in the annealed and pickled, bright annealed, mill finish and polished conditions. These are the four most popular austenitic grades of stainless steel piping which provide excellent corrosion resistance