§179.202-4. Thickness of plates.
49 C.F.R. § 179.202-4
The wall thickness after the forming of the tank shell and heads must be, at a minimum, 9/16 of an inch AAR TC-128 Grade B, normalized steel, in accordance with § 179.200-7(b).
Notes, amendments, and revision history
Amendments
[80 FR 26749, May 8, 2015]
Authority
Authority: 49 U.S.C. 5101-5128; 49 CFR 1.81 and 1.97.
Source
Source: 29 FR 18995, Dec. 29, 1964, unless otherwise noted. Redesignated at 32 FR 5606, Apr. 5, 1967.
Amendments
[80 FR 26749, May 8, 2015]