Stainless Steel Round Bar/Rod 316 Metric is normally used in natural gas/petroleum/oil, aerospace, food and beverage, industrial, cryogenic, architectural, and marine applications. 316 stainless has high strength and excellent corrosion resistance, including in marine or extremely corrosive environments. It is stronger, though less malleable and machinable than 304, 316 maintains its properties in cryogenic or high temperatures.