What is the allowable weight on a 5/8" threaded rod?

The allowable weight on a 5/8" threaded rod is determined by its tensile strength and material properties, which are standardized in engineering guidelines. A 5/8" diameter threaded rod typically has a yield strength of around 120,000 psi when made from common materials like steel, and the allowable load can be calculated based on the dimensions and material specifications.

In this case, the value of 2160 pounds aligns with standard engineering practices for a 5/8" threaded rod, taking into account a safety factor which is crucial in high-pressure piping applications. This means that under normal loading conditions, a 5/8" rod can safely support approximately 2160 pounds without risk of failure. The safety factor is essential as it accounts for variations in the material properties, potential flaws, and unpredictable load conditions that can occur during operational use.

It's important to recognize that the other provided options exceed the accepted limits for a 5/8" threaded rod when considering typical loading conditions. Choosing a value such as 3000 pounds or 4000 pounds would imply a load beyond the rod's safe operating capacity, increasing the risk of structural failure which is critical to avoid in applications involving high-pressure piping systems.