100Cr6 / 1.2067 - SteelNumber - Chemical Composition

100Cr6 / 1.2067 - SteelNumber - Chemical composition

100Cr6, also known as 1.2067, is a high-quality bearing steel with a specific chemical composition that gives it excellent mechanical properties. This steel is widely used in various industries due to its durability, hardness, and wear resistance.

The chemical composition of 100Cr6/1.2067 steel typically includes carbon (C), chromium (Cr), manganese (Mn), silicon (Si), and phosphorus (P) and sulfur (S) in controlled amounts. The carbon content in this steel is relatively high, usually ranging from 0.95% to 1.10%. This high carbon content provides the steel with increased hardness and strength.

Chromium is another important element in 100Cr6/1.2067 steel. It is present in a concentration of around 1.40% to 1.65%. Chromium enhances the steel's wear resistance, corrosion resistance, and hardenability. It forms hard carbides in the steel matrix, which contribute to its excellent abrasion resistance.

Manganese is added to improve the steel's toughness and hardenability. It typically ranges from 0.25% to 0.45%. Silicon helps in deoxidation and improves the steel's strength and hardness. It is usually present in a concentration of around 0.15% to 0.35%.

Phosphorus and sulfur are impurities that need to be controlled at low levels. Phosphorus can cause brittleness, while sulfur can negatively affect the machinability of the steel. In 100Cr6/1.2067 steel, the phosphorus content is typically limited to less than 0.025%, and the sulfur content is kept below 0.020%.

The specific chemical composition of 100Cr6/1.2067 steel is carefully balanced to achieve the desired properties. The combination of high carbon and chromium content, along with controlled amounts of other elements, makes this steel suitable for demanding applications such as bearings, gears, and shafts.

In addition to its chemical composition, the manufacturing process of 100Cr6/1.2067 steel also plays a crucial role in determining its quality. The steel is usually produced through processes such as electric arc furnace melting, ladle refining, and continuous casting. These processes ensure a homogeneous microstructure and consistent quality.

After production, the steel may undergo various heat treatment processes such as quenching and tempering to further enhance its mechanical properties. Quenching rapidly cools the steel to increase its hardness, while tempering reduces brittleness and improves toughness.

Overall, the chemical composition of 100Cr6/1.2067 steel, along with proper manufacturing and heat treatment processes, makes it a reliable and high-performance material for a wide range of industrial applications. Its excellent mechanical properties and durability make it a preferred choice for engineers and designers looking for a strong and wear-resistant steel.

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