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Exploring the Strength and Applications of 14CrMo45 Steel Grade
1. Specification:
– 14CrMo45 is a heat treatable steel grade with a high level of strength and hardness.
– It is primarily used in the manufacturing of pressure vessels, boilers, and piping systems that require high temperature and pressure resistance.
– The steel grade is regulated and specified by various standards, such as DIN EN 10028-2 and DIN EN 10216-2.
2. Mechanical Properties:
– Tensile Strength: The tensile strength of 14CrMo45 steel grade is typically between 440 MPa and 590 MPa, depending on the heat treatment and manufacturing processes.
– Yield Strength: The yield strength of this steel grade is usually around 270 MPa to 275 MPa.
– Elongation: It exhibits an elongation of about 22% to 26%, indicating its good ductility.
– Impact Toughness: 14CrMo45 demonstrates good impact toughness at both room temperature and elevated temperatures due to its alloying elements.
3. Chemical Composition:
– Carbon (C): The carbon content in 14CrMo45 steel grade is around 0.10% to 0.17%. Carbon contributes to the steel’s strength and hardness.
– Chromium (Cr): With a chromium content of 0.90% to 1.20%, this steel grade gains improved corrosion and oxidation resistance, enhancing its performance in elevated temperature environments.
– Molybdenum (Mo): The addition of 0.45% to 0.60% molybdenum significantly improves the steel’s strength and ability to withstand high temperatures.
– Silicon (Si): Silicon, with a content of about 0.10% to 0.35%, helps in enhancing the steel’s heat resistance.
– Manganese (Mn): 14CrMo45 steel grade contains manganese in the range of 0.40% to 0.90%, which contributes to its overall strength and toughness.
– Other elements such as phosphorus (P), sulfur (S), nickel (Ni), and copper (Cu) are present in trace amounts.
In summary, 14CrMo45 is a heat treatable steel grade known for its high strength, good impact toughness, and excellent high-temperature resistance. It is widely used in the manufacturing of pressure vessels, boilers, and piping systems that operate under high temperature and pressure conditions. Its chemical composition and mechanical properties make it suitable for applications demanding excellent mechanical strength and resistance to corrosion, oxidation, and creep.
14CrMo45 Steel grade
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