La. Admin. Code tit. 43 § XIII-907

Current through Register Vol. 50, No. 9, September 20, 2024

Section XIII-907 - Yield Strength (S) for Steel Pipe [49 CFR 192.107]

A. For pipe that is manufactured in accordance with a specification listed in Section I of §5103, Appendix B to this Subpart, the yield strength to be used in the design formula in §905 is the SMYS stated in the listed specification, if that value is known. [ 49 CFR 192.107(a)]

B. For pipe that is manufactured in accordance with a specification not listed in Section I of §5103, Appendix B to this Subpart or whose specification or tensile properties are unknown, the yield strength to be used in the design formula is §905 is one of the following: [ 49 CFR 192.107(b)]

1. if the pipe is tensile tested in accordance with Section II-D of §5103, Appendix B to this Subpart, the lower of the following: [ 49 CFR 192.107(b)(1)]

a. 80 percent of the average yield strength determined by the tensile tests: [ 49 CFR 192.107(b)(1)(i)]

b. the lowest yield strength determined by the tensile tests; [ 49 CFR 192.107(b)(1)(ii) ]

2. if the pipe is not tensile tested as provided in Paragraph B.1 of this Section, 24,000 psi (165 MPa). [ 49 CFR 192.107(b)(2)]

La. Admin. Code tit. 43, § XIII-907

Promulgated by the Department of Natural Resources, Office of Conservation, LR 9:221 (April 1983), amended LR 10:513 (July 1984), LR 30:1230 (June 2004).

AUTHORITY NOTE: Promulgated in accordance with R.S. 30:501 et seq.