ASME B16.15-2018 PDF
Name in English:
St ASME B16.15-2018
Name in Russian:
Ст ASME B16.15-2018
Original standard ASME B16.15-2018 in PDF full version. Additional info + preview on request
Full title and description
ASME B16.15-2018 — Cast Copper Alloy Threaded Fittings: Classes 125 and 250. This standard specifies requirements for cast copper‑alloy (bronze/copper alloy) threaded pipe fittings in Classes 125 and 250, including materials, dimensions, markings, pressure‑temperature ratings, threading and pressure testing; it also allows substitution of wrought copper alloys for certain small‑size components.
Abstract
ASME B16.15-2018 establishes dimensional, material and testing requirements for cast copper‑alloy threaded fittings (Classes 125 and 250). The document covers pressure‑temperature ratings, size designation for reducing fittings, marking, minimum casting quality and material requirements, both SI and U.S. customary dimensions and tolerances, threading specifications, and pressure test requirements.
General information
- Status: Superseded / revised (followed by ASME B16.15:2024).
- Publication date: October 12, 2018 (2018 edition).
- Publisher: American Society of Mechanical Engineers (ASME).
- ICS / categories: Pipeline components and fittings — ICS 23.040 (metal fittings / pipeline components).
- Edition / version: 2018 edition (designated ASME B16.15-2018).
- Number of pages: 34 pages (2018 PDF).
Scope
This Standard applies to cast copper‑alloy threaded pipe fittings in Classes 125 and 250. It establishes pressure‑temperature ratings, methods for designating openings of reducing fittings, marking and identification requirements, minimum casting quality and material requirements, dimensional and tolerance requirements in both SI and U.S. customary units, threading specifications, and pressure testing procedures. Provisions permit substitution of wrought copper alloys for plugs, bushings, caps and couplings in small sizes where applicable.
Key topics and requirements
- Pressure–temperature ratings for Classes 125 and 250 fittings.
- Size designation and identification method for reducing fittings.
- Marking and traceability requirements (manufacturer identification, class, size).
- Minimum casting quality, acceptance criteria, and material composition requirements (cast copper/bronze alloys; allowance for certain wrought parts).
- Dimensions and tolerances provided in SI (metric) and U.S. customary units.
- Threading specifications and tolerances for threaded ends.
- Hydrostatic / pressure test requirements for verifying fitting integrity.
Typical use and users
Used by pipe‑fitting manufacturers, mechanical and piping engineers, plumbing contractors, purchasing/procurement teams, quality / inspection personnel, and code authorities. Typical applications include potable water, plumbing, HVAC, low‑pressure piping systems and other installations where cast copper‑alloy threaded fittings in Classes 125/250 are appropriate.
Related standards
Closely related standards in the ASME B16 series and material specifications include ASME B16.18 (cast copper‑alloy solder‑joint pressure fittings), ASME B16.22 (wrought copper and copper‑alloy solder‑joint pressure fittings), ASME B16.24 (bronze pipe flanges and flanged fittings) and other B16 piping‑fitting documents; material specs and alloys commonly referenced include ASTM B62 and ASTM B584 for copper and bronze alloys.
Keywords
cast copper alloy, cast bronze, threaded fittings, Class 125, Class 250, pipe fittings, pressure‑temperature ratings, dimensions, threading, pressure test, ASME B16.15.
FAQ
Q: What is this standard?
A: ASME B16.15-2018 is the ASME standard that specifies requirements for cast copper‑alloy (bronze/copper alloy) threaded pipe fittings in Classes 125 and 250, addressing materials, dimensions, markings, ratings, threading and testing.
Q: What does it cover?
A: It covers pressure‑temperature ratings, designation of reducing openings, marking, minimum casting quality and material requirements, dimensions and tolerances (SI and U.S. units), threading requirements and pressure test procedures for cast copper‑alloy threaded fittings.
Q: Who typically uses it?
A: Manufacturers of cast copper‑alloy fittings, piping and mechanical engineers, plumbing contractors, QA/QC inspectors, specifiers and procurement professionals working on water, plumbing and low‑pressure piping systems.
Q: Is it current or superseded?
A: The 2018 edition has been superseded by a later ASME revision (ASME B16.15:2024). The ASME catalog shows the B16.15 product maintained with a 2024 edition available; records from standards distributors indicate the 2018 edition was superseded in 2024. Users should consult the latest (2024) edition for current requirements.
Q: Is it part of a series?
A: Yes — it is part of the ASME B16 series of piping and pipeline component standards (B16.x family) that covers flanges, fittings, valves and related components; related B16 standards cover solder‑joint fittings, wrought fittings, flanges, dimensions and other piping components.
Q: What are the key keywords?
A: Cast copper alloy, cast bronze, threaded fittings, Class 125, Class 250, pressure‑temperature ratings, dimensions, threading, pressure test, ASME B16.15.