What is the weight rating for a 3/8 chain?

The weight rating for a 3/8 inch chain is indeed 6,400 pounds. This rating corresponds to the tensile strength of the chain when it is used in typical lifting or rigging applications. The tensile strength is determined based on the material properties of the chain and its diameter; in this case, a 3/8 inch chain is designed to safely handle loads up to that weight, factoring in a safety margin for various working conditions.

This rating is particularly important for linemen and others in the field, as using a chain beyond its weight rating can lead to catastrophic failure, posing serious safety risks. Understanding these ratings helps ensure proper equipment usage and maintenance in line work or heavy lifting scenarios.