Advantages:
1. High tensile strength: 35CrMo4 steel has a high tensile strength, making it suitable for applications where strength and durability are crucial, such as in the construction of heavy equipment and machinery.
2. Good hardenability: This steel grade has good hardenability, allowing it to be easily hardened and tempered to achieve the desired mechanical properties, making it suitable for use in high-stress applications.
3. Excellent wear resistance: 35CrMo4 steel exhibits excellent wear resistance, making it suitable for use in components subjected to abrasive and erosive environments, such as gears, shafts, and bearings.
4. Good machinability: The steel grade is relatively easy to machine, allowing for efficient fabrication and manufacturing processes.
Limitations:
1. Limited weldability: While 35CrMo4 steel can be welded with appropriate precautions, its weldability is limited compared to other steel grades, requiring careful preheating and post-weld heat treatment to avoid cracking and reduce the risk of hydrogen embrittlement.
2. Susceptibility to embrittlement at high temperatures: 35CrMo4 steel may exhibit reduced toughness and ductility at elevated temperatures, limiting its use in high-temperature applications.
3. Higher cost: Due to its higher alloy content and superior mechanical properties, 35CrMo4 steel may be more expensive than lower-grade steels, impacting its cost-effectiveness for some applications.
Chemical composition:
The chemical composition of 35CrMo4 steel typically includes elements such as carbon, manganese, silicon, phosphorus, sulfur, chromium, and molybdenum, which contribute to its high-strength and hardenability properties. The specific composition may vary based on the production standards and requirements.
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