Div. B › Part 7 › 7.2 › 7.2.6 — Ferrous Pipe and Fittings

7.2.6.13 — Stainless Steel Threaded Fittings

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(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.
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