Sections3Subpart B—Specifications for Inside Containers, and Linings37Subpart C—Specifications for Cylinders27Subpart H—Specifications for Portable Tanks22Subpart J—Specifications for Containers for Motor Vehicle Transportation79Subpart K—Specifications for Packagings for Class 7 (Radioactive) Materials1Subpart L—Non-bulk Performance-Oriented Packaging Standards23Subpart M—Testing of Non-bulk Packagings and Packages10Subpart N—IBC Performance-Oriented Standards10Subpart O—Testing of IBCs14Subpart P—Large Packagings Standards9Subpart Q—Testing of Large Packagings8Subpart R—Flexible Bulk Container Standards5Subpart S—Testing of Flexible Bulk Containers9
Regulationcurrent
49 CFR 178.345-4
-4 Joints.
Current as of 2026-08-18 Government source
eCFR editorial compilationAuthoritative but unofficial
(a)All joints between the cargo tank shell, heads, baffles, baffle attaching rings, and bulkheads must be welded in conformance with Section VIII of the ASME Code (IBR, see § 171.7 of this subchapter).#
(b)Where practical all welds must be easily accessible for inspection.#