... 72''/DN15-DN2000Angleselbows,bend,tee,cross,reducers,cap,pipe, flanges,socket steel fittings,nippleWTSch5-SchXXS ,such as SCH20, SCH40, STD, ... /SR elbows, 180° returns, straight, reducing tees, caps, concentric and eccentric reducersRadius Of Curvature1D-10D Elbow, ANSI,ASME,API5L,DIN,JIS ... to the standard of ANSI ,DIN, JIS,EN and also can do that by your requirement. socket weld forged steel fittings