{"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":null,"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.\n\n[68 FR 75762, Dec. 31, 2003]","truncated":false,"body_characters":346}