The chemical composition of 34Cr4 steel typically consists of 0.30-0.37% carbon, 0.40-0.70% manganese, 0.80-10.50% chromium, and small amounts of phosphorus and sulfur. This composition provides the steel with excellent hardenability and high tensile strength.
In terms of mechanical properties, 34Cr4 steel exhibits good toughness, wear resistance, and ductility. It has a tensile strength of 1020-1240 MPa and a yield strength of 780-930 MPa. The steel also has a high fatigue strength and can withstand heavy loads and dynamic stresses.
The technical properties of 34Cr4 steel make it suitable for various engineering applications. It is commonly used in the production of gears, shafts, crankshafts, and other components requiring high strength and durability. The steel can be heat treated to enhance its properties, such as through quenching and tempering processes. It is also machinable and can be welded using standard methods.
The growing demand for 34Cr4 steel grade stems from its excellent combination of mechanical and technical properties. As industries such as automotive, aerospace, and construction continue to evolve, the need for strong and reliable materials like 34Cr4 steel will only increase. With its promising future in engineering, this steel grade is expected to continue being widely used in a variety of applications.