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Nickel-Hardened Cast Iron


Advantages and disadvantages of nickel-hardened cast iron, as well as the range of mechanical properties:



  1. High strength: Nickel-hardened cast iron exhibits high tensile and yield strength, enabling it to withstand significant mechanical stress.
  2. Good heat resistance: Nickel-hardened cast iron has excellent heat resistance, making it suitable for high-temperature applications.
  3. Good corrosion resistance: Nickel-hardened cast iron offers satisfactory corrosion resistance to various chemical environments.
  4. Reasonable cost: Compared to some high-performance metallic materials, nickel-hardened cast iron is relatively cost-effective while still providing good performance.



  1. Proneness to brittleness: Nickel-hardened cast iron has poor toughness and is prone to fracture.
  2. Susceptibility to oxidation: In high-temperature environments, nickel-hardened cast iron can easily oxidize and lose its performance.
  3. Poor machinability: Nickel-hardened cast iron is relatively difficult to machine, presenting challenges in the manufacturing process.


Range of mechanical properties:

The range of mechanical properties for nickel-hardened cast iron is influenced by various factors such as specific alloy composition and heat treatment methods. Generally, the tensile strength can range from 200 to 500 MPa, the yield strength from 150 to 350 MPa, and the elongation typically varies between 0.5% and 5%. These values are provided as a reference and actual values may be influenced by specific conditions and usage requirements. When using nickel-hardened cast iron, material selection and design should be tailored to the specific needs and requirements.

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