– Carbon (C): 0.38 – 0.45%
– Silicon (Si): 0.40%
– Manganese (Mn): 0.60 – 0.90%
– Phosphorus (P): ≤ 0.025%
– Sulfur (S): ≤ 0.035%
– Chromium (Cr): 0.90 – 1.20%
– Molybdenum (Mo): 0.15 – 0.30%
These chemical properties contribute to the overall characteristics of 42CrMo4 steel, including its high tensile strength, toughness, and good wear resistance. This steel grade is often used in engineering applications such as manufacturing gears, shafts, and other critical components that require high strength and durability.
In terms of mechanical properties, 42CrMo4 steel grade exhibits a high level of hardenability, good impact properties, and a high fatigue limit. It also has a relatively low carbon content, which allows for good weldability and formability.
Overall, the chemical and mechanical properties of 42CrMo4 steel grade make it a popular choice for applications that require a combination of high strength, toughness, and wear resistance.
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