49 C.F.R. § 178.33-5 Material.
Title 49 - Transportation
(a) Uniform quality steel plate such as black plate, electro-tin plate, hot dipped tin plate, tern plate or other commercially accepted can making plate; or nonferrous metal of uniform drawing quality. (b) Material with seams, cracks, laminations or other injurious defects not authorized.
Title 49: Transportation
PART 178—SPECIFICATIONS FOR PACKAGINGS
Subpart B—Specifications for Inside Containers, and Linings
§ 178.33-5 Material.