Stainless Steel Threaded Fittings

(1)  Stainless steel threaded fittings shall be Schedule 40 or greater and shall conform to,

    (a)   ASTM A182 / A182M, “Forged or Rolled Alloy and Stainless Steel Pipe Flanges, Forged Fittings, and Valves and Parts for High-Temperature Service”, or

    (b)   ASTM A351 / A351M, “Castings, Austenitic, for Pressure-Containing Parts”.

(2)  Stainless steel threaded fittings shall be made of a material that matches the grade of the pipe material used.

Article Ontario Regulation 332/12 Building Code,   O. Reg. 332/12: BUILDING CODE ( © Queen’s Printer for Ontario, 2021.