§ 192.113 Longitudinal joint factor (E) for steel pipe.
Current through Sep 25, 2026 · Read all of Part 192
(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):
Table 1 to 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]