40NiCrMo22 Steel Grade: An Ideal Choice for Heavy Machinery and Equipment

40NiCrMo22 steel grade is an ideal choice for heavy machinery and equipment due to its excellent mechanical properties and chemical composition.

Mechanical Properties:

1. Tensile Strength: The tensile strength of 40NiCrMo22 steel grade is typically between 1000-1200 MPa, making it highly resistant to deformation and capable of withstanding heavy loads.

2. Yield Strength: The yield strength of this steel grade is usually around 800-900 MPa. This ensures that the material can endure stress and strain without permanent deformation, providing durability and reliability in heavy machinery applications.

3. Hardness: 40NiCrMo22 steel grade possesses a hardness range of approximately 300-350 HB, which indicates its high resistance to wear and abrasion. This property is vital for heavy machinery parts that frequently come into contact with hard surfaces.

4. Impact Strength: The impact strength of this steel grade is typically greater than 100 J/cm², indicating excellent toughness and the ability to withstand sudden shocks or vibrations commonly encountered in heavy machinery operations.

Chemical Composition:

1. Carbon (C): The carbon content in 40NiCrMo22 steel grade is approximately 0.37-0.45%. Carbon improves the strength and hardenability of the steel, making it suitable for heavy-duty applications.

2. Nickel (Ni): The nickel content in this steel grade is around 1.50-1.80%. Nickel enhances the steel’s strength and toughness, ensuring it can withstand heavy loads and resist fatigue.

3. Chromium (Cr): The chromium content is approximately 0.50-0.80%. Chromium contributes to the steel’s hardenability and corrosion resistance, crucial for heavy machinery parts exposed to harsh operating environments.

4. Molybdenum (Mo): The molybdenum content in 40NiCrMo22 steel grade is typically 0.15-0.25%. Molybdenum enhances the material’s strength, toughness, and resistance to heat and corrosion, making it suitable for heavy-duty applications.

5. Silicon (Si): The silicon content is usually around 0.10-0.30%. Silicon improves the steel’s strength and enhances its ability to resist oxidation and withstand high temperatures.

Overall, the ideal combination of mechanical properties and chemical composition makes 40NiCrMo22 steel grade an excellent choice for heavy machinery and equipment where strength, durability, and resistance to wear and tear are crucial requirements.
40NiCrMo22 Steel grade
1698425924