---
kind: "section"
citation: "49 C.F.R. § 178.255-2"
title: "49"
number: "178.255-2"
heading: "Material."
url: "https://uscodex.org/cfr/49/178.255-2"
---

# §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](/cfr/49/171.7.md) of this subchapter).
- (b) The minimum thickness of metal, exclusive of lining material, for shell and heads of tanks shall be as follows:

## Notes

### Amendments

[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]

### Source

Source: 29 FR 18972, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.

### Authority

Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.

### Amendments

[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]