CFR > Title 46 - Shipping > CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY > SUBCHAPTER O—CERTAIN BULK DANGEROUS CARGOES (parts 150 to 155) > PART 154—SAFETY STANDARDS FOR SELF-PROPELLED VESSELS CARRYING BULK LIQUEFIED GASES > SUBPART C—Design, Construction and Equipment (§154.170 to §154.1440) > 154.401—Definitions.

154.401—Definitions.

As used in §§ 154.440 and 154.447 :
“σY ” means the minimum yield strength of the tank material, including weld metal, at room temperature.
“σB ” means minimum tensile strength of the tank material, including weld metals, at room temperature.