... . Stainless slip-on flange Type FlangeSize1/2" - 80"(DN15 - DN2000)StandardANSI,ASME GB, SH,HG, MSS,JIS,DIN, API , ANSI, , JPI , ASMaterial1) Carbon Steel ... WP1, WP12, WP11,WP22,WP5, WP9,WP914)Duplex & Super Duplex Stainless Steel :ASTM A815 UNS S31803,UNS S32750, UNS S32760PackagingWooden Cases, wooden ... the production process are made under the ISO9001:2000 strictly. Stainless slip-on flange