['General Packaging Requirements - Hazmat']
['General Packaging Requirements - Hazmat']
06/10/2024
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(a) Tanks shall be made from open-hearth or electric steel of uniform quality. Material shall be free from seams, cracks, laminations, or other defects injurious to finished tank. If not free from such defects, the surface may be machined or ground to eliminate these defects. Forgings and seamless tubing for bodies of tanks shall be stamped with heat numbers.
(b) Steel (see Note 1) must conform to the following requirements as to chemical composition:
| Designation | Class I (percent) | Class II (percent) | Class III (percent) |
|---|---|---|---|
| NOTE 1: Alternate steel containing other alloying elements may be used if approved. | |||
| Carbon, maximum | 0.50 | 0.50 | 0.53 |
| Manganese, maximum | 1.65 | 1.65 | 1.85 |
| Phosphorus, maximum | .05 | .05 | .05 |
| Sulphur, maximum | .06 | .05 | .05 |
| Silicon, maximum | .35 | .30 | .37 |
| Molybdenum, maximum | .25 | .30 | |
| Chromium, maximum | .30 | .30 | |
| Sum of manganese and carbon not over | 2.10 | 2.10 | |
(1) For instructions as to the obtaining and checking of chemical analysis, see §179.500-18(b)(3).
(2) [Reserved]
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['General Packaging Requirements - Hazmat']
['General Packaging Requirements - Hazmat']
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Copyright 2024 J. J. Keller & Associate, Inc. For re-use options please contact copyright@jjkeller.com or call 800-558-5011.