Standard:api 5l, astm a252, iso 3185, en 10208 Grade:q235a, q235b, q345, l245(b), l290(x42), l320(x46), l360(x52), l390(x56), l415(x60) Size: Outer diamter: 219.1mm - 4064mm (8" - 160") Wall thickness: 3.2 mm - 40mm Length: 6mtr-18mtr Use: used for liquid delivery and gas delivery, such as water supply, drainage and oil, gas, vapour, liquefied petroleum gas and natural fas. End: square ends (straight cut, saw cut, and torch cut). Or beveled for welding, beveled, Surface: lightly oiled, hot dip galvanized, electro galvanized, black, bare, varnish coating/anti rust oil, protective coatings (coal tar epoxy, fusion bond epoxy, 3-layers pe) Packing: plastic plugs in both ends, hexagonal bundles of max. 2, 000kg with several steel strips, two tags on each bundle, wrapped in waterproof paper, pvc sleeve, and sackcloth with several steel strips, plastic caps. Packing: plastic plugs in both ends, hexagonal bundles of max. 2, 000kg with several steel strips, two tags on each bundle, wrapped in waterproof paper, pvc sleeve, and sackcloth with several steel strips, plastic caps.