# Piping.

- **operation:** document
- **citation:** 49 CFR 193.2113
- **title:** Piping.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** historical
- **official:** true
- **published on:** Not available
- **effective on:** 1999-10-01
- **summary:** (a) Piping made of cast iron, malleable iron, or ductile iron may not be used to carry any cryogenic or hazardous fluids.

(b) Piping materials intended for normal use at temperatures below −28.9° C (−20° F) or for use under § 193.2107(c)(1) must be qualified by testing in accordance with ASME/ANSI 
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-193-2113.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-193-2113.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-193-2113
- **source url:** https://www.govinfo.gov/app/details/CFR-1999-title49-vol3/CFR-1999-title49-vol3-sec193-2113
**body:**

(a) Piping made of cast iron, malleable iron, or ductile iron may not be used to carry any cryogenic or hazardous fluids.

(b) Piping materials intended for normal use at temperatures below −28.9° C (−20° F) or for use under § 193.2107(c)(1) must be qualified by testing in accordance with ASME/ANSI B 31.3 to comply with § 193.2103(b).

[45 FR 9203, Feb. 11, 1980, as amended at 58 FR 14522, Mar. 18, 1993]
- **truncated:** false
- **body characters:** 407