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30 U.S.C. 185(w)(3), 49 U.S.C. 5103, 60101 et. seq., and 49 CFR 1.97.
35 FR 13257, Aug. 19, 1970, unless otherwise noted.
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Subscribe to: 49 CFR 192.113
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Nomenclature changes to part 192 appear at 71 FR 33406, June 9, 2006.
(a) The longitudinal joint factor to be used in the design formula in § 192.105 is determined in accordance with the table 1 to this paragraph (a):
| Specification | Pipe class | Longitudinal joint factor (E) |
|---|---|---|
| ASTM A53/A53M (incorporated by reference, see § 192.7) | Seamless | 1.00 |
| Electric resistance welded | 1.00 | |
| Furnace butt welded | .60 | |
| ASTM A106/A106M (incorporated by reference, see § 192.7) | Seamless | 1.00 |
| ASTM A333/A333M (incorporated by reference, see § 192.7) | Seamless | 1.00 |
| Electric resistance welded | 1.00 | |
| ASTM A381 (incorporated by reference, see § 192.7) | Double submerged arc welded | 1.00 |
| ASTM A671/A671M (incorporated by reference, see § 192.7) | Electric-fusion-welded | 1.00 |
| ASTM A672/A672M (incorporated by reference, see § 192.7) | Electric-fusion-welded | 1.00 |
| ASTM A691/A691M (incorporated by reference, see § 192.7) | Electric-fusion-welded | 1.00 |
| API Spec 5L (incorporated by reference, see § 192.7) | Seamless | 1.00 |
| Electric resistance welded | 1.00 | |
| Electric flash welded | 1.00 | |
| Submerged arc welded | 1.00 | |
| Furnace butt welded | .60 | |
| Other | Pipe over 4 inches (102 millimeters) | .80 |
| Other | Pipe 4 inches (102 millimeters) or less | .60 |
(b) If the type of longitudinal joint cannot be determined, the joint factor to be used must not exceed that designated for “Other.”
[Amdt. 192-135, 89 FR 33280, Apr. 29, 2024, as amended by Amdt. 192-156, 90 FR 40763, Aug. 21, 2025]