1.usage:half round bar for shipping use and machina CCS,ABS, GL,DNV,RINA, ... as follows:1.Usage:Half round steel bar is widely used in shipping, rail, transport equipment, and2.Steel grade:A,AH32, ... 80*40 and so on.Meanwhile, we also supply shipping used round steel bar, angle steel , bulb flat steel bar ... , shipping plate,so if you also have the above demand, ...