In the conventional sense, the line diameter of the shock-absorbing spring is from very small to very large, and it can be said that it has this effect. Shock-absorbing springs regardless of size, there are miniature, there are very large, such as railways, large machinery are conventional shock-absorbing spring, there are also micro-circuit strains, according to the purpose can also be called shock-absorbing spring.
But traditional understanding we call the miniature reed, and the line diameter above 3.0 is the traditional shock-absorbing spring. General spring material is more required, generally stainless steel, there is 72B, 82B, 55CrVa 55CRSI 60SICrA. According to the product use and force requirements to choose.