Stainless spring steel is cheap, with great elasticity, wear resistance, while it does not have temper brittleness. This alloy is not deformed from mechanical loads. Effectively operated at high humidity, as it has a stainless coating. It is used at a temperature of not more than 250 degrees, it is used for the production of rolled metal products.
Stainless steel is used to manufacture equipment in the marine industry, in medicine, and in the food industry. Its use in these industries is due to the corrosion-resistant alloy. The brand of stainless heat-resistant steel is used in the production of thin-sheet rolling, seamless pipes and various tools for the food and chemical industries.
Specifics of spring alloys
High- and medium-carbon types of these alloys are hardened by fine cold destruction, which allows the use of shot-blasting and water-jet methods. With this type of impact, the forces of residual compression are directed to the plane of the products.
In fact, any spring steel (non-corrosive, without special anti-corrosion properties) must undergo a strong heating operation using a through method. Therefore, the finished metal products in its section will have the structure of troostite.
Oil hardening at a temperature of 830-880 degrees, combined with tempering at 410-480 degrees, guarantees an increase in the elastic limit - the main working property of the above steels. Often, isothermal hardening is also used, which provides not only high elasticity, but also increased data on the plasticity, stability, and viscosity of the substance. in the automotive sector, silicon spring steels of the spring rolling grade - 60C2A, 70C3A and 55C2 are also dynamically used. They are prone to decarburization, which reduces the characteristics of their elasticity and endurance.
But due to the additives of chromium, vanadium and certain components, all these possible dangers are leveled. Scope of application of spring rolling of the most popular steel grades:
In fact, any spring steel (non-corrosive, without special anti-corrosion properties) must undergo a strong heating operation using a through method. Therefore, the finished metal products in its section will have the structure of troostite.
Oil hardening at a temperature of 830-880 degrees, combined with tempering at 410-480 degrees, guarantees an increase in the elastic limit - the main working property of the above steels. Often, isothermal hardening is also used, which provides not only high elasticity, but also increased data on the plasticity, stability, and viscosity of the substance.
Alloy 70 and 65 non-corrosive tape and wire are the most commonly used for machine springs. In the automotive sector, silicon spring steels of the spring rolling grade - 60C2A, 70C3A and 55C2 are also dynamically used. They are prone to decarburization, which reduces the characteristics of their elasticity and endurance. But due to the additives of chromium, vanadium and certain components, all these possible dangers are leveled. A special kind of steel alloy is spring steel. Spring steel has a number of features - a very high yield strength, hardness, an acceptable level of corrosion resistance. Such material can bend, change its shape under the influence of external factors. During compression, it retains all its physical properties (strength, mechanical stability, chemical inertness). If such a spring is released, the material will return to its normal shape with all physical properties preserved. Spring steel is an alloy that has a very high yield strength. Yield strength is a physical property of a material that characterizes the stress at which the strain continues to increase without increasing the load. In fact, this indicator reflects the ability of the material to maintain its shape when bending and twisting.
The better the material retains its shape during deformation, the higher its yield strength. A high yield strength occurs in the material due to special processing methods (quenching, tempering). This distinguishes spring steel from many other steel alloys, which usually "acquire unusual properties" due to the inclusion of various alloying additives in their composition.
For the production of spring steel, low-alloy alloys are used with a minimum amount of additional components. In American, European, Asian countries, medium and high carbon compounds containing chromium are also often used.
Compounds containing a large amount of manganese, nickel, silicon, tungsten, and nitrogen are also used. These components make the material even more plastic, and also increase its chemical inertness (that is, such a material will not react with alkalis, acids, salts). As the name implies, spring steel is commonly used in the production of springs, torsion bars, leaf springs, piano strings, clamps and many other products.
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