Types of Tests Used to Characterize Springmaking Materials - Part 2: Coiling and Wrap Tests

摘要

In the Winter 2020 issue of Springs, I discussed the tensile test as an important mechanical test for springmaking materials. This is the second article in the series on the subject. This article will discuss two of the technological tests used to characterize springmaking materials: the coiling test and the wrap test. This article includes presentation materials from a Testing and Properties class that I have taught for a number of years for the Wire Association International as part of their Fundamentals of Wire Manufacturing program.