# -4 Material.

- **operation:** document
- **citation:** 49 CFR 179.201-4
- **title:** -4 Material.
- **source type:** regulation
- **agency:** Pipeline and Hazardous Materials Safety Administration
- **status:** current
- **official:** true
- **published on:** Not available
- **effective on:** 2026-08-18
- **summary:** All fittings, tubes, and castings and all projections and their closures, except for protective housing, must also meet the requirements specified in ASTM A 262 (IBR, see § 171.7 of this subchapter), except that when preparing the specimen for testing the carburized surface may be finished by grindi
- **machine formats:** - **json:** https://regulus.evalyn.ai/document/49-cfr-179-201-4.json
- **markdown:** https://regulus.evalyn.ai/document/49-cfr-179-201-4.md
- **app url:** https://regulus.evalyn.ai/document/49-cfr-179-201-4
- **source url:** https://www.ecfr.gov/on/2026-08-18/title-49/section-179.201-4
**body:**

All fittings, tubes, and castings and all projections and their closures, except for protective housing, must also meet the requirements specified in ASTM A 262 (IBR, see § 171.7 of this subchapter), except that when preparing the specimen for testing the carburized surface may be finished by grinding or machining.

[68 FR 75762, Dec. 31, 2003]
- **truncated:** false
- **body characters:** 346