304 Stainless Steel Bar 1) Grade : 321, 304, 304L, 316, 316L, 317, 317,310S and so on 2) Processing :cold drawn,hot rolled. 304 Stainless Steel Bar1) Outside Diameter ... assure of our best attention all the time. type stainless steel bar size1mm to 240mmgrade321, 304, 304L, 316, 316L, 317, 317L,310s,904L etc ...