ISO 6935-2:2015 specifies technical requirements for ribbed bars to be used as reinforcement in concrete. ISO 6935-2:2015 is applicable to steel delivered in the form of bars, coils and de-coiled products. It includes both weldable and non-weldable steels. The production process is at the discretion of the manufacturer. It is not applicable to ribbed bars produced from finished products, such as plates and railway rails.