Stainless Steel Round Bar/Rod 304 Cold Finish Domestic is normally used for aerospace, food and beverage, machinery, architectural, chemical, and cryogenic applications. All of this material is certified American domestic made. 304 stainless, the most Common Stainless Steel alloy on earth, provides high strength and good corrosion resistance outside of marine and highly corrosive environments. 304 round bar/rod stock is available in full size and custom cut lengths.