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The specification, mechanical properties, and chemical composition of the 25CrMo4 KB steel grade are crucial factors in exploring its application in the oil and gas industries. This steel grade is known for its high strength, good toughness, and excellent resistance to wear, fatigue, and impact.
In terms of specification, the 25CrMo4 KB steel grade typically complies with international standards such as EN 10083-3. It is a low-alloy steel that contains chromium and molybdenum as alloying elements, which contribute to its enhanced mechanical properties and improved resistance to corrosion.
The mechanical properties of 25CrMo4 KB steel grade play a vital role in determining its suitability for oil and gas applications. It has a high tensile strength, typically ranging from 900 to 1200 MPa, making it suitable for handling high-pressure and high-stress environments. The yield strength is usually around 700-900 MPa, ensuring that the material can withstand significant loads without permanent deformation. Its elongation at break is typically between 15% to 20%, indicating good ductility and ability to endure deformation.
Regarding chemical composition, the alloying elements significantly impact the steel grade’s performance. The typical chemical composition of 25CrMo4 KB steel grade consists of approximately 0.22-0.29% carbon, 0.60-0.90% manganese, 0.90-1.20% chromium, 0.15-0.30% molybdenum, and small amounts of other elements such as silicon, phosphorus, sulfur, and nickel. This composition provides the steel grade with excellent hardenability, which is important for its application in oil and gas industries where resistance to wear and fatigue is crucial.
Overall, the specification, mechanical properties, and chemical composition of 25CrMo4 KB steel grade are key considerations when exploring its application in the oil and gas industries. Utilizing this steel grade can enhance performance, extend lifespan, and enable the construction of robust and durable equipment for the demanding conditions of the oil and gas sector.
25CrMo4 KB Steel grade
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