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The chemical composition of 15Mo3 steel plays a crucial role in its suitability for manufacturing pressure vessels. 15Mo3 steel is a low-alloy steel that contains 0.12-0.20% carbon, 0.40-0.80% manganese, 0.035% phosphorus, and 0.030% sulfur. Additionally, it contains small amounts of elements such as chromium, molybdenum, and silicon.
The presence of chromium and molybdenum in 15Mo3 steel provides excellent resistance to high temperatures, making it suitable for applications where the pressure vessel will be exposed to elevated temperatures. These alloying elements enhance the steel’s creep strength and resistance to corrosion, oxidation, and hydrogen attack.
The carbon content in 15Mo3 steel contributes to its increased strength and hardness. The manganese content helps improve the steel’s weldability and formability, while also enhancing its strength.
The low phosphorus and sulfur content in 15Mo3 steel reduces the risk of embrittlement and enhances the steel’s overall toughness, making it more suitable for pressure vessel applications.
Overall, the chemical composition of 15Mo3 steel ensures that it has the necessary properties to withstand high temperatures, pressure, and corrosive environments typically encountered in pressure vessel manufacturing. Engineers can rely on this steel grade to meet the required safety standards and performance criteria for pressure vessels.
15Mo3 Steel grade
1698338313