GroundRules
← Search the law
Federal regulations · Through 2026-08-25 · Newer source version available

49 CFR 179.200-24: -24 Stamping.

Read at publisher ↗
Where this section sits in the code
  1. Title 49—Transportation
  2. Subtitle B—Other Regulations Relating to Transportation
  3. CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
  4. SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS
  5. PART 179—SPECIFICATIONS FOR TANK CARS
  6. Subpart D—Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW, 115AW, and 117AW)

(a) To certify that the tank complies with all specification requirements, each tank shall be plainly and permanently stamped in letters and figures at least 3/8 inch high into the metal near the center of both outside heads as follows:

Example of required stamping

Specification DOT-111A

Material ASTM A 516-GR 70

Cladding material (if any) ASTM A240-304 Clad

Tank builder's initials ABC

Date of original test 00-0000

Car assembler (if other than tank builder) DEF

(b) On Class DOT-111 tank cars, the last numeral of the specification number may be omitted from the stamping; for example, DOT-111A100W.

(c) After July 25, 2012, newly constructed DOT tank cars must have their DOT specification and other required information stamped plainly and permanently on stainless steel identification plates in conformance with the applicable requirements prescribed in § 179.24(a). Tank cars built before July 25, 2012, may have the identification plates instead of or in addition to the head stamping.

Collected 2026-08-27T02:26:34Z. Source file · JSON

Browse this collection