GroundRules
49 CFR 230.25: Maximum allowable stress on stays and braces.
Where this section sits in the code
- Title 49—Transportation
- Subtitle B—Other Regulations Relating to Transportation
- CHAPTER II—FEDERAL RAILROAD ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
- PART 230—STEAM LOCOMOTIVE INSPECTION AND MAINTENANCE STANDARDS
- Subpart B—Boilers and Appurtenances
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.
Collected 2026-08-27T02:26:34Z. Source file · JSON