... carbon steel,SS,alloy steel 4.MOQ:10PCS Stainless Steel Pipe Flange TypFlangeSize1/2" - 80"(DN15 - DN2000)Wall thicknessSch5 ... -Sch160XXSStandardANSI,ASME GB, SH,HG, MSS,JIS,DIN, APIMaterial1) Carbon Steel ... WP22,WP5, WP9,WP914)Duplex & Super Duplex Stainless Steel :ASTM A815 UNS S31803,UNS S32750, UNS ...