[Code of Federal Regulations]
[Title 49, Volume 3]
[Revised as of October1, 2002]
From the U.S. Government Printing Office via GPO Access
[CITE: 49CFR192.113]

[Page 37-38]
 
                        TITLE 49--TRANSPORTATION
 
 CHAPTER I--RESEARCH AND SPECIAL PROGRAMS ADMINISTRATION, DEPARTMENT OF 
                       TRANSPORTATION (CONTINUED)
 
PART 192--TRANSPORTATION OF NATURAL AND OTHER GAS BY PIPELINE: MINIMUM FEDERAL SAFETY STANDARDS--Table of Contents
 
                         Subpart C--Pipe Design
 
Sec. 192.113  Longitudinal joint factor (E) for steel pipe.

    The longitudinal joint factor to be used in the design formula in 
Sec. 192.105 is determined in accordance with the following table:

------------------------------------------------------------------------
                                                          Longitudinal
         Specification                Pipe class        joint factor (E)
------------------------------------------------------------------------
ASTM A 53......................  Seamless............               1.00
                                 Electric resistance                1.00
                                  welded.
                                 Furnace butt welded.                .60

[[Page 38]]


ASTM A 106.....................  Seamless............               1.00
ASTM A 333/A 333M..............  Seamless............               1.00
                                 Electric resistance                1.00
                                  welded.
ASTM A 381.....................  Double submerged arc               1.00
                                  welded.
ASTM A 671.....................  Electric-fusion-                   1.00
                                  welded.
ASTM A 672.....................  Electric-fusion-                   1.00
                                  welded.
ASTM A 691.....................  Electric-fusion-                   1.00
                                  welded.
API 5 L........................  Seamless............               1.00
                                 Electric resistance                1.00
                                  welded.
                                 Electric flash                     1.00
                                  welded.
                                 Submerged arc welded               1.00
                                 Furnace butt welded.                .60
Other..........................  Pipe over 4 inches                  .80
                                  (102 millimeters).
Other..........................  Pipe 4 inches (102                  .60
                                  millimeters) or
                                  less.
------------------------------------------------------------------------


If the type of longitudinal joint cannot be determined, the joint factor 
to be used must not exceed that designated for ``Other.''

[Amdt. 192-37, 46 FR 10159, Feb. 2, 1981, as amended by Amdt. 192-51, 51 
FR 15335, Apr. 23, 1986; Amdt. 192-62, 54 FR 5627, Feb. 6, 1989; 58 FR 
14521, Mar. 18, 1993; Amdt. 192-85, 63 FR 37502, July 13, 1998]