... ;lapped flange;blind ;spectacle blind,etc.2. Material: stainless steel,carbon steel,alloy steel 3. Size range: From ½” up to 60” "4 ... /316L, WP321, WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI ... PIPE FITTINGS Production Nameelbow ,street elbow,boss, tee, coupling ,half coupling,cap,plug,union,hex nipple ,swage nipple,bushing,cross, ...