Alloy spring steel is based on carbon steel, by adding one or several alloying elements to improve the mechanical properties, hardenability and other properties of the steel, so as to meet the requirements of manufacturing various springs.
The basic composition series of alloy spring steel are silico-manganese spring steel, silico-chromium spring steel, chromium-manganese spring steel, chromium-vanadium spring steel, tungsten-chromium-vanadium spring steel, etc. On the basis of these series, some grades have added alloying elements such as molybdenum, vanadium or boron in order to improve some aspects of their performance.
In addition, from other steels, such as high-quality carbon structural steel, carbon tool steel, high-speed tool steel, and stainless steel, some grades are selected as spring steel.
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