817M40 Steel Grade: The Ideal Material for High Performance Engineering Applications

Specification 817M40 is a high tensile steel grade that is commonly used in high-performance engineering applications. It is also known as 817M40T or 817M40U in some regions. This steel grade is known for its excellent mechanical properties and high tensile strength, making it suitable for applications in industries such as aerospace, automotive, and machinery manufacturing.

Mechanical properties:
– Tensile strength: 850-1000 MPa
– Yield strength: 650-800 MPa
– Elongation: 13-17%
– Impact toughness: 27-35 Joules

Chemical composition:
– Carbon: 0.36-0.44%
– Silicon: 0.10-0.35%
– Manganese: 0.45-0.70%
– Phosphorus: ≤0.035%
– Sulfur: ≤0.040%
– Chromium: 0.90-1.20%
– Molybdenum: 0.15-0.25%

The high carbon and alloy content in 817M40 steel grade contributes to its high tensile strength and wear resistance. This makes it suitable for components subjected to high stress and wear, such as gears, axles, and shafts. Additionally, the excellent hardenability of this steel grade allows for effective heat treatment processes to achieve the desired mechanical properties.

Overall, the 817M40 steel grade is an ideal material for demanding engineering applications where high strength, toughness, and wear resistance are essential. Its versatility and performance make it a popular choice for a wide range of industrial applications.
817M40 Steel grade
1699620057