Round steel for springs

- 55SiCrA/55SiCrV6 Spring Steel:

- Chemical Composition: It contains carbon (C), silicon (Si), chromium (Cr), and other elements. The carbon content is relatively moderate to provide a certain degree of strength, typically around 0.50% - 0.60%. Silicon content is high, usually between 1.20% - 1.60%, which can enhance the hardenability and strength of the steel. Chromium content is about 0.60% - 1.00%, contributing to its corrosion resistance and strength improvement.

- Mechanical Properties: This type of spring steel has high tensile strength, which can reach more than 1000 MPa. It also has good elasticity and fatigue resistance, making it suitable for withstanding repeated stress and deformation. The yield strength is relatively high, ensuring that the spring can maintain its shape under load.

- Widespread Use: Widely used in the manufacturing of various springs, such as automobile suspension springs, mechanical springs, and valve springs. It is also used in the construction of railway tracks and some high-stress structural components that require elastic support.

- X7CrNiAI17-7 Stainless Spring Steel:

- Chemical Composition: The main chemical elements include chromium (Cr), nickel (Ni), aluminum (Al), and carbon (C). Chromium content is about 16% - 18%, which provides excellent corrosion resistance. Nickel content is around 7% - 9%, enhancing the steel's ductility and toughness. Aluminum content is about 1% - 2%, contributing to its hardenability and heat resistance. The carbon content is relatively low, usually below 0.10%, to ensure good weldability and formability.

- Mechanical Properties: It has relatively high strength and good ductility, with a tensile strength of around 800 MPa - 1000 MPa. The material also has good resistance to high-temperature oxidation and can maintain its mechanical properties at high temperatures.

- Widespread Use: Applied in the fields of aerospace, high-temperature machinery, and precision instruments. For example, it is used to make springs and elastic components in high-temperature environments, such as turbine engine components, high-temperature valves, and aerospace structural parts.

German Standard Spring Round Steel

- 50CrV4 Spring Steel:

- Chemical Composition: It consists of carbon (C), chromium (Cr), vanadium (V), and other elements. The carbon content is about 0.47% - 0.55%, which provides the basic strength of the steel. Chromium content is approximately 0.80% - 1.10%, enhancing the corrosion resistance and hardenability. Vanadium content is around 0.10% - 0.20%, which can improve the strength and toughness of the steel by refining the grain.

- Mechanical Properties: This steel has high tensile strength, with a tensile strength of more than 1000 MPa. It also has good fatigue resistance and impact toughness, which can ensure the reliability and durability of the spring. The yield strength is relatively high, enabling the spring to maintain its shape under long-term loading.

- Widespread Use: Commonly used in the manufacturing of heavy-duty springs, such as springs for large machinery, construction machinery, and automotive suspension systems. It is also suitable for making springs that require high strength and fatigue resistance in harsh working environments.

- 56Si7 Spring Steel:

- Chemical Composition: The chemical composition mainly includes silicon (Si) and carbon (C). The silicon content is relatively high, about 1.50% - 1.80%, which can improve the elastic limit and strength of the steel. The carbon content is around 0.50% - 0.60%, providing a certain degree of hardness and strength.

- Mechanical Properties: It has good elasticity and high fatigue strength. The tensile strength can reach about 900 MPa - 1100 MPa, and the elongation rate is relatively high, which is conducive to the processing and forming of the spring.

- Widespread Use: Widely used in the manufacturing of springs for various mechanical equipment, such as springs for small and medium-sized machinery, household appliances, and tools. It is also suitable for making springs that require high elasticity and fatigue resistance in general working environments.

Japanese Standard Spring Round Steel

- SUP9 Spring Steel:

- Chemical Composition: It contains carbon (C), manganese (Mn), silicon (Si), and other elements. The carbon content is relatively high, about 0.56% - 0.64%, which provides the main strength of the steel. Manganese content is about 0.70% - 1.00%, which can improve the hardenability and toughness of the steel. Silicon content is about 1.50% - 2.00%, which is beneficial to the improvement of elastic limit.

- Mechanical Properties: This type of spring steel has high strength and good elasticity. The tensile strength can reach more than 1000 MPa, and the yield strength is also relatively high. It has good fatigue resistance and can withstand repeated stress and deformation.

- Widespread Use: Mainly used in the manufacturing of springs for automobiles, motorcycles, and general machinery. For example, it is used to make leaf springs for automobiles, clutch springs for motorcycles, and various small springs for mechanical equipment.

- SUP11A Spring Steel:

- Chemical Composition: The chemical composition is similar to SUP9, but with some differences in the content of specific elements. It also contains carbon, manganese, silicon, and other elements. The carbon content is relatively stable, and the manganese and silicon contents are adjusted to achieve better mechanical properties and processing performance.

- Mechanical Properties: It has high strength, good elasticity, and excellent fatigue resistance. The mechanical properties are slightly different from SUP9, which is suitable for different application requirements of springs.

- Widespread Use: Applied in the manufacturing of springs for precision machinery, electrical equipment, and instruments. For example, it is used to make springs for precision instruments, electrical switches, and other components that require high-precision and high-reliability springs.

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                                                                                       Products that are being sold at low prices                                                                                    We will deal with a batch of extruded inventory at ultra-low prices from time to time. The products we deal with include steel pipes, steel plates, round bars, steel bars, steel coils, profiles, rails, wires, etc. Our purpose in dealing with inventory at low prices is to quickly monetize the goods for our daily expenses of steel production. Low-priced products are given priority to regular customers. If you are interested in low-priced steel, please contact us quickly.