... Name: astm a234 6 inch carbon steel pipe fittings 2)OD:1/2-144 inch 3 ... reducer, Name astm a234 6 inch carbon steel pipe fittings Size range1/2-72",and from1/2-24 ... " is seamless,from26-72" is seam pipe fittingsscheduleSch5s,Sch10s,Sch10,Sch20,Sch30,STD,Sch40,XS, ... elbow, flange, cool drawing links, blind board,reducing pipe, elbow, head, pipe cap , groove tube, rubber joints,compensators, waterproof ...