# HAR 6-77-30 Yield strength (S) for steel pipe

- **operation:** document
- **citation:** HAR 6-77-30
- **title:** HAR 6-77-30 Yield strength (S) for steel pipe
- **source type:** regulation
- **agency:** Hawaii Public Utilities Commission
- **status:** current
- **official:** true
- **published on:** 1994-04-15
- **effective on:** 1994-09-03
- **summary:** accordance with a specification listed in section I of Appendix B, the yield strength to be used in the design formula in section 6-77-29 is the SMYS stated in the listed specification, if that value is known. (b) For pipe that is manufactured in accordance with a specification not listed in section
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**body:**

accordance with a specification listed in section I of Appendix B, the yield strength to be used in the design formula in section 6-77-29 is the SMYS stated in the listed specification, if that value is known. (b) For pipe that is manufactured in accordance with a specification not listed in section I of Appendix B or whose specification or tensile properties are unknown, the yield strength to be used in the design formula in section 6-77-29 is one of the following: (1) If the pipe is tensile tested in accordance with section II.D. of Appendix B, the lower of the following: (A) Eighty percent of the average yield strength determined by the tensile tests; (B) The lowest yield strength determined by the tensile tests, but not more than 52,000 p.s.i. (2) If the pipe is not tensile tested as provided in subsection (b)(1) 24,000 p.s.i. [Eff ] (Auth: HRS '269-6) (Imp: 49 C.F.R. '192.107, October 1, 1990)
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