PART 7 — PLUMBINGUpdated for the 2024 Ontario Building Code
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7.2.6.11.Stainless Steel Butt Weld Pipe Fittings
(1) Stainless steel butt weld pipe fittings shall conform to
(a) ASME B16.9, “Factory-Made Wrought Buttwelding Fittings,” and
(b) ASTM A403 / A403M, “Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings”.
(2) Stainless steel butt weld pipe fittings shall be made of a material that matches the grade of the pipe material used.
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Code text is reproduced for reference from the Ontario Building Code (O. Reg. 163/24, 2024 Building Code Compendium). This page is provided for general information and is not an official copy. Always verify requirements against the official Ontario Building Code and confirm with your local building department.