The description of the item 7214911200 of Viet-Nam HScode: "Bars and rods, of iron or non-alloy steel, not further worked than hot-rolled, hot-drawn or hot-extruded, of rectangular ""other than square"" cross-section (excl. containing indentations, ribs, grooves or other deformations produced during the rolling process, bars and rods twisted after rolling and free-cutting steel): Containing by weight less than 0.6 % of carbon: Containing by weight 0.17 % or more but not more than 0.46 % of carbon and 1.2 % or more but less than 1.65 % of manganese"