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817M40

817M40, a type of steel material, similar to CrNiMo steel.
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High strength and toughness: 817M40 alloy steel has high strength and good toughness, making it suitable for applications requiring higher strength and durability.


Hardenability and anti-overheat stability: 817M40 alloy steel has good hardenability and anti-overheat stability, and can maintain good organizational structure and performance during heat treatment.


White point sensitivity and temper brittleness: 817M40 alloy steel has high white point sensitivity and temper brittleness, which means that under certain conditions, brittleness or damage may occur. Therefore, it is necessary to pay attention to proper handling and use temperature when using it to avoid these problems.


Poor weldability: 817M40 alloy steel has poor weldability and requires high-temperature preheating and post-weld stress relief treatment to improve the reliability and durability of the welded joint.


Application:

817M40 alloy steel is often used in applications that require high strength and wear resistance, such as: high-load transmission devices, such as gears, shafts, and bearings; mechanical parts and tools that require high strength and toughness, such as transmission shafts and chucks etc.; special-purpose wear-resistant materials, such as knives, hammer heads, etc.

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