... WP347, WPS 312545 Duplex$super duplex stainless steel ASTM A 815 UNS S31803, UNS S32750, UNS S32760 STANDARDSANSI, ... 2000 , API , BV , SGS, LOIYDApplications range: Petroleum, chemical, power, gas, metallurgy, shipbuilding.construction,water and nuclear power etc. Packaging: ... FITTINGS Production Nameelbow ,street elbow,boss, tee, coupling ,half coupling,cap,plug,union,hex nipple ,swage nipple,bushing ...