605.13 Stainless Steel Pipe and Joints — 2025 California Plumbing Code

California Plumbing Code (Title 24, Part 5) · 2025 edition · updated 2026-10-19 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

Cite as: 2025 California Plumbing Code (Title 24, Part 5) § 605.13 · Effective January 1, 2026 · Official source: Building Standards Commission

Joining methods for stainless steel pipe and fittings shall be installed in

accordance with the manufacturer’s installation instructions and shall comply with Section 605.13.1 or Section 605.13.2. 605.13.1 Mechanical Joints. Mechanical joints shall be designed for their intended use. Such joints shall include compression, flanged, grooved, press-connect, and threaded.

605.13.2 Welded Joints. Welded joints shall be either fusion or resistance welded based on the selection of the base metal. The chemical composition of the filler metal shall comply with AWS A5.9 based on the alloy content of the piping material.

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California Plumbing Code (Title 24, Part 5)

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