... .Grade:200,300,400 series 3.Diameter:6-360mm Stainless Steel Round Bar 1) Grade : 321, 304, 304L, 316, 316L, 317, 317, ... 310SStainless Steel Round Bar1) Diameter: from 3 mm to 240mm2) Main Material: Grade : ... special requirements,we assure of our best attention all the time. type stainless steel round bar size3 mm to 240mmgrade321, 304, 304L, 316, 316L ...