... 72''/DN15-DN2000Angleselbows,bend,tee,cross,reducers,cap,pipe, flanges,socket steel fittings,nippleWTSch5-SchXXS ,such as SCH20, SCH40, STD ... SCH80, SC100, SCH120, and SCH160StandardANSI,ASME,API5L,DIN,JIS,BS,GBwe can also produce according to drawingSpecification standardsANSI B16.9 ... Of Curvature1D-10D Elbow, ANSI,ASME,API5L,DIN,JIS,BS,GBSurface treatmentblack paint, varnish, rust-proof oil, and ...