... 1) Types: Seamless and butt-welded elbows2) Size: 3 1/2" DN15-DN12003) Wall Thickness: STD4) Standard: ... S32550 S32205 WP410 S41008 S41500; A420 WPL 3-6-8-9; A860 WPHY 42-46-52- ... 12-2, X2CrNiMo 17-12-3, X2CrNiMoN17-13-3, X3CrNiMo17-13-3, X2CrNiMo18-14-3, X2CrNiMoN17-13-5, X2CrNiMo18-15 ... -4, X2CrNiMoN25-7-4, X2CrNiMoCuWN25-7-4, X2CrNiMoCuN25-6-3; P215NL, P265NL, 12Ni14, X10Ni9; L290NB, L360NB, L360QB, ...