Code of Federal Regulations (Last Updated: April 5, 2024) |
Title 49 - Transportation |
Subtitle B - Other Regulations Relating to Transportation |
Chapter I - Pipeline and Hazardous Materials Safety Administration, Department of Transportation |
Part 178 - Specifications for Packagings |
Subpart H - Specifications for Portable Tanks |
§ 178.255-2 - Material.
Latest version.
-
§ 178.255-2 Material.
(a) Material used in the tank must be steel of good weldable quality and conform with the requirements in Sections V, VIII, and IX of the ASME Code (IBR, see § 171.7 of this subchapter).
(b) The minimum thickness of metal, exclusive of lining material, for shell and heads of tanks shall be as follows:
Tank capacity Minimum thickness (inch) Not more than 1,200 gallons 1⁄4 Over 1,200 to 1,800 gallons 5⁄16 Over 1,800 gallons 3⁄8 [29 FR 18972, Dec. 29, 1964. Redesignated at 32 FR 5606, Apr. 5, 1967, and amended by Amdt. 178-7, 34 FR 18250, Nov. 14, 1969; 68 FR 75750, Dec. 31, 2003]