... 72''/DN15-DN2000Angleselbows,bend,tee,cross,reducers,cap,pipe, flanges,socket steel fittings,nippleWTSch5-SchXXS ,such as SCH20, SCH40, STD, SCH80 ... conform to the standard of ANSI ,DIN, JIS,EN and also can do that by your requirement. socket weld forged steel fittings