... as SCH20, SCH40, STD, SCH80, SC100, SCH120, and SCH160StandardANSI,ASME,API5L,DIN,JIS,BS,GBwe can also produce according to ... drawingSpecification standardsANSI B16.9, ANSI B16.28, JIS B2311, DIN 2605, 2615, 2616, ... , caps, concentric and eccentric reducersRadius Of Curvature1D-10D Elbow, ANSI,ASME,API5L,DIN,JIS,BS,GBSurface treatmentblack paint, varnish, rust-proof ...