The price and quality of cold drawn wire products. High-quality cold-drawn wire products are produced by relatively powerful companies, so the quality is very guaranteed, and the price is naturally relatively higher. We all know that quality is directly proportional to price, and quality is reflected in price. Products reflect value. The inspection of cold drawn wire products guarantees the quality. Large, formal enterprises have great discrepancies in product classification and quality inspection standards. Good companies will have more testing items. As the degree of cold deformation increases, the tensile strength, hardness and elasticity of the cold drawn wire increase, and the elongation and reduction of area decrease. Because of the existence of work hardening, when the degree of tensile deformation reaches a certain limit, the cold working performance of the steel wire is significantly reduced. When it is not suitable for continuous drawing, we reduce the friction, reduce the drawing force and mold consumption, and obtain the surface finish, size and Products with required shapes must be lubricated with lubricating oil.
When a solid lubricant is used, it is called dry wire drawing; the purpose of removing the oxide scale is to prevent the oxidation of the wire drawing cast iron from damaging the surface of the mold and the wire, and the subsequent coating or coating processing has good surface conditions, reducing friction and reducing drawing force. There are two types of descaling methods, chemical methods and mechanical methods.
