§230.25. Maximum allowable stress on stays and braces.
49 C.F.R. § 230.25
The maximum allowable stress per square inch of net cross sectional area on fire box and combustion chamber stays shall be 7,500 psi. The maximum allowable stress per square inch of net cross sectional area on round, rectangular, or gusset braces shall be 9,000 psi.
Notes, amendments, and revision history
Authority
Authority: 49 U.S.C. 20103, 20107, 20702; 28 U.S.C. 2461 note; and 49 CFR 1.89.
Source
Source: 64 FR 62865, Nov. 17, 1999, unless otherwise noted.