... .Quality Guaranteed 3.Certification:ISO 316 High Quality Stainless Steel Pipe Reducer1) Certification: ISO 2) Standard: ASTM,DIN,GB,JIS,EN Etc 3) Well-known In ... The Balance Against BL Copy 7) Products: Channel Bar,Angle Bar, Flat Bar,Hexagonal Bar,Square Bar,Round Bar Etc MaterialA403-WP304, A403-WPB304L, A403WP316, A403WP316L, A403 ...