Selecting Aluminum Alloys for Foundry Use

How to choose the right casting aluminum grade by strength, corrosion resistance, and machinability.

Pars Metal Alloy Technical TeamPars Metal Alloy Technical Team6 min read
Aluminum alloy casting

Why grade selection matters

Aluminum alloys vary widely in properties. A wrong choice can cause cracking, poor corrosion resistance, or extra cost.

Key factors

  • Required strength and load
  • Service environment and corrosion resistance
  • Castability and machinability
  • Weldability and coatability

Common grades

General comparison of aluminum groups
Group
Casting (3xx.x)Die casting
Wrought (6xxx)Profiles and structures
Exact grade and standard are confirmed after reviewing your technical requirement.

Quotation checklist

  • Final part application
  • Tolerance and dimensions
  • Volume and schedule

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Reviewed by Hesam Yasini · Operations Lead

Frequently asked questions

Casting-series alloys are typically suitable; exact choice depends on design.
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