§154.450. General.
46 C.F.R. § 154.450
Independent tanks type C and process pressure vessels must be designed to meet the requirements under Part 54 of this chapter, except § 54.01-40(b), and:
The calculation under § 54.01-18 (b)(1) must also include the design loads determined under § 154.406;
The calculated tank plating thickness, including any corrosion allowance, must be the minimum thickness without a negative plate tolerance; and
The minimum tank plating thickness must not be less than:
5mm ( 3/16 in.) for carbon-manganese steel and nickel steel;
3mm ( 1/8 in.) for austenitic steels; or
7mm ( 9/32 in.) for aluminum alloys.
Notes, amendments, and revision history
Authority
Authority: 46 U.S.C. 3703, 9101; Department of Homeland Security Delegation No. 0170.1.
Source
Source: CGD 74-289, 44 FR 26009, May 3, 1979, unless otherwise noted.