Aluminum Alloy 356SR

Aluminum Alloy 356SR

Aluminum Alloy 356SR is a high-performance casting alloy commonly used in structural applications where strength, lightweight characteristics, and corrosion resistance are essential. It is widely used in industries like automotive, aerospace, and industrial manufacturing. Here are the key details about Aluminum 356SR:

Composition

Aluminum 356SR Chemistry:

  • Silicon (Si): 6.5% to 7.5%

  • Iron (Fe): Maximum 0.5%

  • Copper (Cu): Maximum 0.25%

  • Manganese (Mn): Maximum 0.35%

  • Magnesium (Mg): 0.35% to 0.45%

  • Zinc (Zn): Maximum 0.35%

  • Titanium (Ti): Maximum 0.25%

  • Strontium (Sr): 0.02% to 0.05%

  • Aluminum (Al): Remainder

  • Others, total: Maximum 0.15%

Characteristics

  • Strength: 356SR is known for its high tensile strength and ductility, making it ideal for applications that require structural integrity.

  • Castability: This alloy offers excellent casting properties, allowing it to fill intricate molds and complex geometries with precision.

  • Corrosion Resistance: The alloy exhibits excellent resistance to corrosion, particularly in marine and outdoor environments.

  • Heat Treatability: 356SR can be heat-treated to enhance its mechanical properties, improving both strength and hardness.

Common Uses

Aluminum 356SR is commonly used in the following industries:

  • Automotive: Suitable for engine components, wheels, and structural parts that require high strength and lightweight properties.

  • Aerospace: Ideal for aircraft components, where strength-to-weight ratio and corrosion resistance are crucial.

  • Industrial: Used in machinery parts, such as pumps, valves, and other equipment requiring durability and reliability.

  • Marine: Common in components exposed to harsh marine environments, including boat hulls, fittings, and structural components.

Conclusion

Overall, Aluminum 356SR is a versatile casting alloy that offers excellent strength, durability, and corrosion resistance. Its excellent castability makes it ideal for intricate designs and complex components, particularly in automotive, aerospace, and industrial applications. The alloy's heat treatability also allows for enhanced mechanical properties, ensuring its suitability for demanding environments.

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