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§179.300-7 Materials.

RegSenseGeneral Packaging Requirements - HazmatPipeline and Hazardous Materials Safety Administration (PHMSA), DOTCFR RegulationsTransportationHazmat SafetyCFR SectionGeneral Packaging Requirements - HazmatEnglishFocus AreaUSA

(a) Steel plate material used to fabricate tanks must conform with the following specifications with the indicated minimum tensile strength and elongation in the welded condition. However, the maximum allowable carbon content for carbon steel must not exceed 0.31 percent, although the individual ASTM specification may allow for a greater amount of carbon. The plates may be clad with other approved materials:

Specifications2 Tensile strength (psi) welded condition1 (minimum)Elongation in 2 inches (percent) welded condition1 (longitudinal) (minimum)
1Maximum stresses to be used in calculations.
2These specifications are incorporated by reference (IBR, see §171.7 of this subchapter).
ASTM A 240/A 240M type 304 .75,00025
ASTM A 240/A 240M type 304L70,00025
ASTM A 240/A 240M type 316 .75,00025
ASTM A 240/A 240M type 316L70,00025
ASTM A 240/A 240M type 321 .75,00025
ASTM A 285 Gr. A45,00029
ASTM A 285 Gr. B50,00020
ASTM A 285 Gr. C55,00020
ASTM A 515/A 515M Gr. 6565,00020
ASTM A 515/A 515M Gr. 7070,00020
ASTM A 516/A 516M Gr. 7070,00020

(b) [Reserved]

(c) All plates must have their heat number and the name or brand of the manufacturer legibly stamped on them at the rolling mill.

[Amdt. 179–10, 36 FR 21355, Nov. 6, 1971, as amended by Amdt. 179–42, 54 FR 38798, Sept. 20, 1989; Amdt. 179–43, 55 FR 27642, July 5, 1990; Amdt. 179–52, 61 FR 28682, June 5, 1996; Amdt. 179–52, 61 FR 50255, Sept. 25, 1996; Amdt. 179–53, 61 FR 51342, Oct. 1, 1996; 68 FR 75763, Dec. 31, 2003]

['General Packaging Requirements - Hazmat']
['General Packaging Requirements - Hazmat']
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