These high quality stainless steel fittings are excellent for low-pressure applications where corrosion resistance is a concern.MSS SP-114 Class 150 stainless steel fittings are the highest quality in the industry.This is proven by the strict standards they meet: MSS SP-114 (for heat treating and material thickness) ,and ASTM A351. 304 MSS SP-114 fittings are a chromium-nickel material that offers very good corrosion resistance.316 MSS SP-114 fittings offer a higher resistance to corrosion than 304 due to their nickel content along with the addition of molybdenum.
