... , etc.Material Carbon steelStainless steelAlloy steelDuplex steeltitanium alloy steelCarbon steel elbow, stainless steel elbow, alloy steel elbowASTM A234 GR WPB,ASTM A420 ... /2205/S31803,F53/2507/S32750,Alloy 400/monel 400/UNS S4400,Alloy 600/Inconel 600/UNSS6600,Alloy 201/nickel 201/UNS S2201,Alloy 625/Inconel 625/UNS ...