... :200,300,400 series 3.Diameter:6-360mm Stainless Steel Round Bar 1) Grade : 321, 304, 304L, 316, 316L, 317, ... L/C sight.8.Mill Test Certificate is supplied with shipment,Third Part Inspection is acceptable.9.trade terms: ... of our best attention all the time.type stainless steel round bar size3 mm to 240mmgrade321, 304, 304L, 316, 316L, 317 ... ,SGS,and third part inspection. 304 Stainless Steel Round Bar