21CrMoV5-7 wire is an alloy structural steel wire product with excellent performance. 21CrMoV5-7 wire has high strength and can withstand large loads. At the same time, it has good toughness and is not easy to break when impacted by external forces. The wire also has excellent fatigue resistance and impact resistance. After appropriate heat treatment, it can operate stably for a long time in complex working environments. In addition, good heat treatment performance allows it to obtain an ideal combination of hardness, strength and toughness through quenching and tempering. 21CrMoV5-7 wire has become an important material choice in many high-end manufacturing fields due to its excellent performance.

Chemical element content (%)

Specification：1.00~42.00mm

Application: Mainly used in the manufacture of engines, transmission system components, structural components, high temperature and high pressure equipment, etc.; widely used in automobiles, aerospace, energy, mechanical engineering and other fields.

Mechanical properties: The yield strength is not less than 550N/mm², the tensile strength is between 700-850N/mm², the elongation is not less than 16%, and the cross-sectional shrinkage is not less than 60%.
It should be noted that the mechanical properties will vary under different processing conditions and specifications.

Heat treatment specifications:
Quenching temperature is 890-940℃;
Tempering temperature is 680-720℃.

Compared with other brands of 21CrMoV5-7 wire, what are the advantages of Sividen's 21CrMoV5-7 wire?

1.The purity and stability of the wire are ensured from the source, reducing the impact of impurities and undesirable elements on product performance.

2.From smelting, refining to rolling, cooling and other links, there are strict process parameters and quality control standards to ensure the high quality of the products.

3.With advanced technology and strict production process control, it can accurately control the content of alloy elements such as carbon, manganese, and boron to meet the standard requirements, ensuring the consistency and stability of product performance.

4.Advanced production equipment and production lines, the equipment has the characteristics of high precision and high degree of automation, which can ensure the dimensional accuracy, surface quality and uniformity of internal organization of 21CrMoV5-7 wire.

5.According to market demand and special requirements of customers, customized 21CrMoV5-7 wire products are provided to meet the use requirements under various complex working conditions.

6.A complete after-sales service system can respond to customer needs and feedback in a timely manner. For problems encountered by customers during use, technical support and solutions are provided to customers quickly.

We mainly engage in cold heading wire, wire, bar, peeled bar, and profiled bar; our products cover 11 series and more than 300 grades, and we continue to develop a variety of professional steels. We can provide all-round solutions such as cold heading finishing line manufacturing and high-precision bright bar customization, and provide one-stop procurement services and package procurement solutions for global customers. The website displays some grades. If you don’t have the grade you need, please contact us by phone or email.