{"data":{"id":"us/46-cfr-154.450","jurisdiction":"us","citation":"46 CFR 154.450","heading":"General.","body":"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:\n(a) The calculation under § 54.01-18 (b)(1) must also include the design loads determined under § 154.406;\n(b) The calculated tank plating thickness, including any corrosion allowance, must be the minimum thickness without a negative plate tolerance; and\n(c) The minimum tank plating thickness must not be less than:\n(1) 5mm ( 3/16 in.) for carbon-manganese steel and nickel steel;\n(2) 3mm ( 1/8 in.) for austenitic steels; or\n(3) 7mm ( 9/32 in.) for aluminum alloys.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES","PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES","Subpart C—Design, Construction and Equipment"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"3d4d9c643d4cdd89f5a49958a598c7f8b29575961b512b17e9fcbe8714ad367e","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-154.449","next":"us/46-cfr-154.451"},"notice":"GroundRules: Original legal text. Not legal advice."}