Heavy duty springs are compression, extension, or torsion springs with a great amount of force. They have large wire diameters from 1/4" (inch) to 1" (inch) in thickness and are required when the spring needs to support a large amount of load in a mechanism.
Different types of springs: compression, extension, torsion, & constant force springs
Heavy duty compression springs are usually large compression springs or are able to withstand large amounts of load due to their physical dimensions. Heavy duty compression springs are determined to be in the dimension ranges between a 3” to 9.25” outer diameter and a 0.218” to a 0.938” wire diameter.
