... 2The fast delivery time . 3The competitive price 1. hollow tube welded stainless steel pipe 1.be used in food engineer ... 309S,310,310S,430,409specificationthickness0.3mm—20mmwidth120mm—2000mmProduction technologyHot rolled ,cold rolledSurface treatment2B,BA,8K,No.1,Etching,Hairline,Satin,Mirror ... ,310S,430,409specificationRound Square rectangle 3. Pictures show: hollow tube welded stainless steel pipe