... STD XS XXS NAME:90 DEGREE CARBON STEEL ELBOW: 1.Standard:ANSI,JIS,DIN,BS,GB,etc. 2.Materials 1)Carbon ... Steel:ASTM234WPB,WPC,ASTM A420 ,WPL9,WPL6. ... /316l,wp321,wp347,wps312544)Duplex &Super Duplex Stainless Steel:ASTM A815,UNS S31803,UNS S32750,UNS S32760 5 ... pipe Fittings like flanges, tee, reducer etc. DIN carbon steel forged 90 degree elbow