... 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, and 2617, ... Of Curvature1D-10D Elbow, ANSI,ASME,API5L,DIN,JIS,BS,GBSurface treatmentblack paint, varnish, rust-proof oil ... B16.11 6000lb A105 Forged Steel SW tee