Chemical Composition:
– Carbon (C): The carbon content of 4959BA2 steel is typically around 0.18-0.23%, providing a balance of strength and formability.
– Manganese (Mn): With a manganese content of 1.50-2.00%, this steel grade offers good hardenability and strength.
– Silicon (Si): Silicon content is maintained at a level of 0.15-0.35%, contributing to the steel’s ability to be easily formed and welded.
– Phosphorus (P) and Sulfur (S): These elements are kept at low levels (0.035% max for both), ensuring good weldability and enhanced mechanical properties.
– Chromium (Cr), Molybdenum (Mo), and Nickel (Ni): These alloying elements are added in smaller quantities to improve the steel’s strength, toughness, and corrosion resistance.
Mechanical Properties:
– Tensile Strength: 4959BA2 steel exhibits a high tensile strength ranging from 590-700 MPa, making it suitable for applications requiring significant load-bearing capabilities.
– Yield Strength: The yield strength of this steel grade is around 430-590 MPa, indicating its ability to withstand deformation without permanent damage.
– Elongation: With an elongation of 17-23%, 4959BA2 steel offers good ductility and formability, allowing it to be shaped into various components without compromising its integrity.
– Impact Resistance: This steel grade possesses good toughness and impact resistance, ensuring its ability to withstand sudden shocks and dynamic loads.
In conclusion, the chemical composition and mechanical properties of 4959BA2 steel make it a versatile and high-performing material, suitable for a wide range of industrial applications where strength, formability, and reliability are paramount.
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