§154.447. Allowable stress. — Inbound Citations

(2) The cargo tank design stress factors and resulting MARVS of independent tanks type B or C meet § 154.447 or § 154.450; and

As used in §§ 154.440 and 154.447:

An independent tank type B must be designed to meet §§ 154.445 through 154.449.

(b) For cargo tanks of aluminum alloys with welded connections, the minimum tensile strength (σB) for the calculations under § 154.440, § 154.447 and § 154.450 must be the minimum tensile strength of the alloy in the annealed condition.