... :200,300,400 series 3.Diameter:6-360mm Stainless Steel Round Bar 1) Grade : 321, 304, 304L, 316, 316L, ... Processing :cold/hot drawn,cold rolled etc.Stainless Steel Round Bar1) Outside Diameter: from 3 mm to 240mm2) ... requirements,we assure of our best attention all the time.type stainless steel round bar size3 mm to 240mmgrade321, 304, 304L, ... ,and third part inspection. 304 Stainless Steel Round Bar