DIFFERENCE BETWEEN ALUMINUM 6061, 6063 AND 7075

– Application and Performance Comparison

In engineering and manufacturing, selecting the right aluminum alloy can significantly impact product performance, durability, and cost-effectiveness. Here’s a comparative look at three of the most widely used aluminum alloys: 6061, 6063, and 7075.

🔹 Aluminum 6061 – Versatile, strong, and machinable

• Key features:
  High strength, good corrosion resistance, excellent weldability, compatible with T6 heat treatment.

• Common uses:
  Machinery frames, automotive parts, electronics casings, scaffolding, boats, bicycles…

• Summary:
  Well-rounded & durable, ideal for mid-strength structural components with varied machining needs.

🔹 Aluminum 6063 – Ideal for architecture and design

• Key features:
  Superior extrudability, smooth surface finish, great anodizing properties.

• Common uses:
  Window frames, glass walls, partition panels, interior trims…

• Summary:
  Elegant & easy to shape, perfect for architectural and aesthetic applications.

🔹 Aluminum 7075 – Ultra-strong, used in high-tech industries

• Key features:
  High zinc content, exceptional tensile strength (~500 MPa), limited weldability, lower corrosion resistance.

• Common uses:
  Aerospace components, military-grade equipment, precision shafts, high-load mechanical parts…

• Summary:
  Super strong & engineered, for applications demanding extreme strength-to-weight ratio.