LAC 43:XIII.913. Longitudinal Joint Factor (E) for Steel Pipe [49 CFR 192.113]

A. The longitudinal joint factor to be used in the design formula in §905 is determined in accordance with the following table. Specification | Pipe Class | Longitudinal Joint Factor (E) ASTM A53/A53M (incorporated by reference, see § 507) | Seamless | 1.00 Electric resistance welded | 1.00 Furnace butt welded | .60 ASTM A106/A106M (incorporated by reference, see § 507) | Seamless | 1.00 ASTM A333/A333M (incorporated by reference, see § 507) | Seamless | 1.00 Electric resistance welded | 1.00 ASTM A381 (incorporated by reference, see § 507) | Double submerged arc welded | 1.00 ASTM A671/A671M (incorporated by reference, see § 507) | Electric fusion welded | 1.00 ASTM A672 (incorporated by reference, see § 507) | Electric fusion welded | 1.00 ASTM A691 (incorporated by reference, see § 507) | Electric fusion welded | 1.00 API Spec 5L (incorporated by reference, see § 507) | 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." [49 CFR 192.113]