MSS SS 304 Cast Pipe Fitting Union 4" Socket Weld Female

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.