... steel elbow SpecificationsMaterial:Carbon Steel Technics:Forged Type:Tee Model Number: 1/2"to72" Place of Origin:Hebei China (Mainland ... ,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, ...