Outer diameter¡¡§oo6mm-610mm Wall thickness:0.3mm-22mm Length:0.5mtrs-20mtrs Standard:api 5l, astm a53, en10217, bs1387-85 Material:gr.B, x42, x46, x52, x60, s355jrh, st37, st52 Surface:lightly oiled, hot dip galvanized, electro galvanized, black bare, varnish coating/antu rust oil, protective coatings Packing:bare of bundled or pvc packing ect. Test:chemical component analysis, mechanical properties and other inspection Third inspection:bv, sgs, lioyds ect.
