49 C.F.R. § 192.113
Current through March 31, 2024
The longitudinal joint factor to be used in the design formula in §192.105 is determined in accordance with the following table:
| Specification | Pipe class | Longitudinal joint factor (E) |
| ASTM A 53/A53M | Seamless | 1.00 |
| Electric resistance welded | 1.00 | |
| Furnace butt welded | .60 | |
| ASTM A 106 | Seamless | 1.00 |
| ASTM A 333/A 333M | Seamless | 1.00 |
| Electric resistance welded | 1.00 | |
| ASTM A 381 | Double submerged arc welded | 1.00 |
| ASTM A 671 | Electric-fusion-welded | 1.00 |
| ASTM A 672 | Electric-fusion-welded | 1.00 |
| ASTM A 691 | Electric-fusion-welded | 1.00 |
| API 5 L | 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 |
If the type of longitudinal joint cannot be determined, the joint factor to be used must not exceed that designated for "Other."
49 C.F.R. §192.113