# Ductile iron pipe.

**Citation:** 49 CFR 192.277  
**Type / status:** regulation / current  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective:** 2026-08-18  
**Published:** Not stated

(a) Ductile iron pipe may not be joined by threaded joints.

(b) Ductile iron pipe may not be joined by brazing.

[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-62, 54 FR 5628, Feb. 6, 1989]

## Document text

(a) Ductile iron pipe may not be joined by threaded joints.

(b) Ductile iron pipe may not be joined by brazing.

[35 FR 13257, Aug. 19, 1970, as amended by Amdt. 192-62, 54 FR 5628, Feb. 6, 1989]

## Provenance

- Official: Yes
- Source: <https://www.ecfr.gov/on/2026-08-18/title-49/section-192.277>
- Source ID: `ecfr`
- SHA-256: `50ff6da58ab3a79c016e58bfd0519eb5dbe850e40203ef6e6eda6304d880dc39`
- Retrieved: 2026-08-20T05:54:34.435Z
- Exported: 2026-08-23T08:13:17.403Z
- Document slug: `49-cfr-192-277`

### Source metadata

```json
{
  "cfrTitle": 49,
  "part": "192",
  "section": "192.277",
  "subpart": "Subpart F—Joining of Materials Other Than by Welding",
  "corpusVersion": "2026-08-18",
  "jurisdiction": "US"
}
```