... STD, SCH80, SC100, SCH120, and SCH160StandardANSI,ASME,API5L,DIN,JIS,BS,GBwe can also produce according to drawingSpecification standardsANSI B16.9 ... reducersRadius Of Curvature1D-10D Elbow, ANSI,ASME,API5L,DIN,JIS,BS,GBSurface treatmentblack paint, varnish, rust-proof oil, and hot ... products conform to the standard of ANSI ,DIN, JIS,EN and also can do that by your requirement. socket weld forged steel ...