– Carbon (C): 0.20% (max)
– Silicon (Si): 0.15% – 0.35%
– Manganese (Mn): 0.70% – 1.00%
– Sulfur (S): 0.040% (max)
– Phosphorus (P): 0.035% (max)
– Chromium (Cr): 0.08% – 0.15%
– Molybdenum (Mo): 0.15% – 0.25%
These elements provide specific characteristics to the steel, making it suitable for various engineering applications. The mechanical and technical properties of 527M20 steel grade that make it stand out are:
1. Strength: This steel grade possesses excellent strength, with a tensile strength ranging from 785 to 930 MPa (megapascal), depending on the heat treatment and manufacturing process.
2. Toughness: The combination of low carbon content and specific alloying elements enhances the toughness of 527M20 steel grade. It exhibits good resistance to cracking and fracturing under dynamic and impact loads.
3. Wear Resistance: The presence of molybdenum enhances the steel’s wear resistance, making it suitable for applications that require resistance against abrasion, such as gears, shafts, and machine components subject to sliding or rolling contact.
4. Hardenability: 527M20 steel grade provides excellent hardenability, enabling it to be hardened by heat treatment processes like quenching and tempering. This property allows for the production of components with a desired level of hardness and strength.
5. Machinability: 527M20 steel grade exhibits good machinability, meaning it can be easily shaped, drilled, and cut with standard machine tools. This property facilitates the manufacturing process and makes it a preferred choice for producing complex parts with tight tolerances.
The combination of these chemical, mechanical, and technical properties makes 527M20 steel grade an excellent choice for a wide range of applications, including automotive components, railway equipment, transmission parts, and machine parts subjected to high stress and wear. Its versatility, strength, and machinability contribute to its popularity in the engineering industry.
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