What's the manganese content of spring steel?
Refer to Baidu Encyclopedia: in accordance with its manganese content is divided into general manganese content (mass fraction) (0.50%~0.80%), such as 65, 70, 85 and higher manganese content (mass fraction) (0.90~1.20%), such as 65Mn two categories.
The carbon content (mass fraction) of carbon spring steel is usually 0.62%~0.90%. In accordance with its manganese content is divided into general manganese content (mass fraction) (0.50%~0.80%), such as 65, 70, 85 and higher manganese content (mass fraction) (0.90~1.20%), such as 65Mn two categories.
Alloy spring steelAlloy spring steel is based on carbon steel, by properly adding one or more alloying elements to improve the mechanical properties, hardenability and other properties of the steel, to meet the requirements of the manufacture of various springs of steel.The basic composition of series alloy spring steel, spring steel, silicon manganese chromium chromium manganese spring steel, spring steel, spring steel, chromium vanadium tungsten chromium vanadium spring steel. On the basis of these series, some brands added alloying elements such as molybdenum, vanadium or boron in order to improve their performance in some aspects.In addition, other grades of steel, such as quality carbon structural steel, carbon tool steel, high speed tool steel and stainless steel, are selected as spring steel.
Carbon spring steelThe carbon content (mass fraction) of carbon spring steel is usually 0.62%~0.90%. In accordance with its manganese content is divided into general manganese content (mass fraction) (0.50%~0.80%), such as 65, 70, 85 and higher manganese content (mass fraction) (0.90~1.20%), such as 65Mn two categories.
Manganese content in spring steel is divided into general manganese content (mass fraction) (0.50%~0.80%), such as 65, 70, 85 and higher manganese content (mass fraction) (0.90~1.20%), such as 65Mn two.Excellent performance with spring steel, spring steel has excellent metallurgical quality (high purity and uniformity), good surface quality (strict control of surface defects and decarburization, precise shape and size).The spring steel is classified according to the chemical compositionAccording to GB/T 13304 standard, spring steel is divided into non alloy spring steel (carbon spring steel) and alloy spring steel according to its chemical composition.
