49 CFR 172 Special Provision TP44 (TP-Codes)
These provisions apply to the transportation of hazardous materials in IM and UN Specification portable tanks.
|Description||Each portable tank must be made of stainless steel, except that steel other than stainless steel may be used in accordance with the provisions of §173.24b(b) of this subchapter. Thickness of stainless steel for tank shell and heads must be the greater of 7.62 mm (0.300 inch) or the thickness required for a portable tank with a design pressure at least equal to 1.5 times the vapor pressure of the hazardous material at 46 °C (115 °F).|
|HazMat with this Code|