# Ductile iron pipe.

- **operation:** document
- **citation:** 49 CFR 192.277
- **title:** Ductile iron pipe.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** (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]
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-192-277.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-192-277.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-192-277
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-192.277
**body:**

(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]
- **truncated:** false
- **body characters:** 196