';


Title 49 Part 179 → Subpart D → §179.201-5

Title 49 → Subtitle B → Chapter I → Subchapter C → Part 179 → Subpart D → §179.201-5

Electronic Code of Federal Regulations e-CFR

Title 49 Part 179 → Subpart D → §179.201-5

e-CFR data is current as of November 19, 2019

Title 49Subtitle BChapter ISubchapter CPart 179Subpart D → §179.201-5


Title 49: Transportation
PART 179—SPECIFICATIONS FOR TANK CARS
Subpart D—Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)


§179.201-5   Postweld heat treatment and corrosion resistance.

(a) Tanks and attachments welded directly thereto must be postweld heat treated as a unit at the proper temperature except as indicated below. Tanks and attachments welded directly thereto fabricated from ASTM A 240/A 240M (IBR, see §171.7 of this subchapter) Type 430A, Type 304 and Type 316 materials must be postweld heat treated as a unit and must be tested to demonstrate that they possess the corrosion resistance specified in §179.200-7(d), Footnote 2. Tanks and attachments welded directly thereto, fabricated from ASTM A 240/A 240M Type 304L or Type 316L materials are not required to be postweld heat treated.

(b) Tanks and attachments welded directly thereto, fabricated from ASTM A 240/A 240M Type 304L and Type 316 materials must be tested to demonstrate that they possess the corrosion resistance specified in §179.200-7(d), Footnote 2.

[68 FR 75762, Dec. 31, 2003]


© e-CFR 2019

FR | USC | CFR | eCFR