... .OD:9mm-200mm 3.length:3m or as your requirements high quality stainless steel pipes StandardASTM,AISI,GB,BS,JIS,EN,DISOuter ... make it an ideal material for many applications. There are over 150 grades of stainless steel, of which fifteen are most ... . We have more than 3 years of experiences in producing high quality stainless steel products, such as: 201, 301, 304, 321, 316 ...