... 3mm-50mm 2.OD:9mm-200mm 3.length:3m or as your requirements high quality stainless steel pipes StandardASTM,AISI,GB,BS, ... and SGS certificated. We have more than 3 years of experiences in producing high quality stainless steel products, such as: 201, 301, 304 ... , 321, 316, 316L, 309S and 310S Stainless steel sheets, 201 ...