... 321,321H, 316, 316L, 317, 310S, 347HSize: Round bar diameter from 3mm to 400mm.Length: 2m-13mmSurface: ... Bright, Polished, Turn smooth, Brush, Mill, PickledApplication: Stainless round bar, greatly provide for petroleum chemical, metallurgy, architecture, ... , paper making, food, shipbuilding, environmental protection, boiler, heater exchanger, pressure condensator, water, electricity and so on.Place ...