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ASME B16.39:2025 Malleable iron threaded pipe unions: classes 150, 250, and 300

Publication Year

2025

Document Status

Current

Abstract

Specifies threaded malleable iron unions, classes 150, 250, and 300; with provisions for using steel for NPS 1/8 unions.

Document History

Supersedes ASME B16.39:2019.

ISBN

9780791877371

Publisher Information

American Society of Mechanical Engineers

Founded in 1880 by a small group of leading industrialists, ASME is a not-for-profit membership organization that enables knowledge sharing and skills development across all engineering disciplines.

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