# Copper pipe.

**Citation:** 49 CFR 192.279  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

Copper pipe may not be threaded except for copper pipe that is used for joining screw fittings or valves, which may be threaded if the wall thickness is equivalent to the comparable size of Schedule 40 or heavier wall pipe listed in ASME B36.10M (incorporated by reference, see § 192.7).

[Amdt. 192-

## Document text

Copper pipe may not be threaded except for copper pipe that is used for joining screw fittings or valves, which may be threaded if the wall thickness is equivalent to the comparable size of Schedule 40 or heavier wall pipe listed in ASME B36.10M (incorporated by reference, see § 192.7).

[Amdt. 192-135, 89 FR 33281, Apr. 29, 2024]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.279>
- Source ID: `ecfr`
- SHA-256: `91dcc1ae200a73536ac25ce7676aadf5be2c845e135eb02bb2a35b5b348b948a`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-22T12:16:07.792Z
- Document slug: `49-cfr-192-279`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.279",
  "subpart": "Subpart F—Joining of Materials Other Than by Welding",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```