The wire is spring. What is it? How does it happen and how differs from all other types of wire?
First of all, the brand of steel, from which it is made. According to GOST 14959-79 and TU 14-4-386-73, only steel of the 65-75g brand is used in this production process. It has a great rupture resistance and significant rigidity. In addition, hooks, studs and other details are made from such wire, for which these properties are important.
