... SCH10 ~S160, STD XS XXS NAME:90 DEGREE CARBON STEEL ELBOW: 1.Standard:ANSI,JIS,DIN,BS,GB,etc. 2. ... wp347,wps312544)Duplex &Super Duplex Stainless Steel:ASTM A815,UNS S31803,UNS S32750,UNS S32760 5)Special alloy :Inconel600,Inconel625,Inconel718,Inconel750. ... Incoloy800,Incoloy825,HastelloyC276,Monel400,Monel k500,WPS31254,S32750,UNS S32760, 3.CE and Certification:ISO9001:2000,API 4 ...