Vibrants offering of 321 Stainless Steel Tubing and Mandrel Bends perform better than 304 Stainless Steel at prolonged, elevated operating temperatures (800 Degrees F to 1500 Degrees F / 427 Degrees C to 816 Degrees C), making it highly recommended for use in forced induction applications. 321 Stainless Steel also features superior corrosion resistance and withstands tensile stress and stress fractures better than 304 Stainless Steel.