CFR > Title 49 - Transportation > SUBTITLE B—Other Regulations Relating to Transportation > CHAPTER I—PIPELINE AND HAZARDOUS MATERIALS SAFETY ADMINISTRATION, DEPARTMENT OF TRANSPORTATION (Parts 105–199) > SUBCHAPTER C—HAZARDOUS MATERIALS REGULATIONS (Parts 171–181) > PART 179—SPECIFICATIONS FOR TANK CARS > SUBPART D—Specifications for Non-Pressure Tank Car Tanks (Classes DOT-111AW and 115AW) (§179.200 to §179.221-1) > 179.220-25—Stamping.

179.220-25—Stamping.

To certify that the tank complies with all specification requirements, each outer shell must 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:
Examples of required stamping
Specifications DOT-115A60W6.
Inner container:
Material ASTM A240-316L.
Shell thickness Shell 0.167 in.
Head thickness Head 0.150 in.
Tank builders initials ABC.
Date of original test 00-0000.
Outer shell:
Material ASTM A285-C.
Tank builders initials WYZ.
Code of Federal Regulations 1104
Car assembler (if other than inner container or outer shell builders) DEF.
[Amdt. 179-9, 36 FR 21343, Nov. 6, 1971]