Elbows 1) ASME B16.9; 2) A234 WPB; 3) SEAMLESS BUTT WELD PIPE FITTINGS; 4) w.t.: SCH10-SCH160,SGP,STD,XS,XXS Elbows WeldSeamless Nominal SizeDN250-DN1800DN15- DN700 Wall ThicknessSTD, XS, XXS, SCH10, SCH20, SCH30, SCH40, SCH60, SCH80, SCH160, ETC Bending RadiusR=1.5D-10D Bending Angle45°, 90° , 180° Standard ASMEANSI B16.9, ANSI B16.28, MSS SP75 DINDIN2605, DIN2615, DIN2616, DIN2617, DIN28011 ...