What is the minimum percentage of ultimate strength that strand jaws must withstand?

The requirement for strand jaws to withstand a minimum percentage of ultimate strength is set to ensure that the jaws can handle the maximum stress they may encounter during use. A standard of 95% of ultimate strength signifies a robust design capable of withstanding high levels of stress without failure. This level of strength assurance is crucial in applications where safety and reliability are paramount.

Selecting 95% reflects the need for a safety margin that protects against unforeseen stresses or conditions that could potentially lead to failure. This standard allows for some variability in material strength and manufacturing processes, providing a strong assurance of performance under the expected load conditions.

While options like 90%, 100%, and 85% might be relevant in other contexts, they do not provide the same level of safety and reliability that 95% offers. A requirement of 90% may not adequately cover variations in performance, and 100% could be unnecessarily restrictive, potentially leading to higher costs without significant benefit. Similarly, 85% does not encompass a sufficient safety margin for critical applications. Thus, 95% stands out as the optimal choice for maintaining safety and operational integrity.