6061 VS 6063 Aluminum Alloy: Differences & Typical Applications

2026-07-25

6061 and 6063 are the most widely used 6000-series aluminum alloys for extrusion projects. Many global buyers struggle to choose the right material for their projects.

H1: Basic Performance Difference

6063 aluminum features good extrudability, smooth anodizing surface, moderate strength. It is the preferred material for architectural profiles, window & door frames, Decorative Aluminum parts.

6061 aluminum owns higher tensile strength, excellent welding performance and machining property. It fits structural components, machinery frames, transport equipment and load-bearing parts.

H2: How to Choose Suitable Alloy

Architectural decoration, furniture frames → Choose 6063-T5
Mechanical structure, load-bearing brackets, CNC machined parts → Choose 6061-T6

Qianyu Aluminum produces both 6061 and 6063 Aluminum Tubes, bars and profiles. We can provide material test reports and customized processing services for global customers. Send your drawing for a free quote.