The seat height should be less than 11 to 10 inches from the floor up to the bar’s underside. So, if your bar is 30 inches high, then you should buy a stool that is 18-19 inches high.
Wrought Iron is an iron alloy with very low carbon content, in comparison to steel and has fibrous inclusion. Wrought iron is tough, malleable, ductile and easily welded It require a carbon content of less than 0.1 wt% , valued for its corrosion resistance and ductility.