1.Material :AISI 304, 306L 2.Certification: ISO9001:2000 quality certification 3.Size:1''-6'' 4.Process: Investment casting Stainless steel SMS Union Fittings MaterialSS304 SS316LStandard3A,DIN,IDF/ISO,SMS etc.Size1"~6",DN25-DN150CertificateISO9001Warranty2 yearsConnectionUnionPolishMirror polish,dull/matte polish,sub-light,240 girt,400 gritPackingShrink wrapped-carton-pallet or in seaworthy ...