Stainless Steel Bars

Pick a grade based on corrosion resistance and strength needs: 304 is common for general-purpose and indoor use; 316 offers better corrosion resistance for marine or chemical exposure; 430 is magnetic and used where moderate corrosion resistance and lower cost are acceptable

Bars come in rounds, flats, squares, and hex shapes with diameters or thicknesses from a few millimeters to several inches and lengths that are often cut-to-size or supplied in standard lengths; check supplier dimension charts for exact options and tolerances

Choose mill-finish for general machining, cold-drawn for tighter dimensional tolerance and improved strength, and polished when surface appearance or smoother finishes are required for aesthetics or sanitary applications

They are used for structural components, shafts, fasteners, tooling, fabrication, and decorative trim where corrosion resistance, hygienic surfaces, or high strength-to-weight are needed

Clean regularly with mild detergent and water, remove contaminants like chlorides and iron particles promptly, avoid steel wool that can embed iron, and for light corrosion use a non-abrasive stainless steel cleaner or dilute acid passivation per manufacturer guidance

Different grades machine and weld differently: 304 machines moderately well and welds readily with proper filler metal; 316 has similar weldability but may require attention to heat input to avoid sensitization; consult grade-specific machining speeds and recommended filler alloys

Prices vary by grade, size, finish, and quantity—common ranges span from budget options under $50 for small pieces to several hundred dollars for large or specialty bars; higher-alloy grades (like 316), tighter tolerances, and polished finishes increase cost