Extrusions, Alloy Descriptions and Applications

6061- Contains high mechanical properties in heat treated conditions. Considered one of the more important and versatile alloys in the extrusion industry.

• Good weld ability and corrosion resistance
• Used in industrial marine craft, highway signs, loading ramps and more
• Readily braze able
• Ability to heat-treatable applications

6063- An exclusive heat-treatable alloy for the extrusion industry and is considered the most important in the magnesium silicates group.

• Leading architectural extrusion alloy
• Used in decorative applications, ladders and furniture tubing
• Good finishing
• Satisfactory for several applications without additional work

6463- Used for bright anodized finish.

• Brightness is achieved by buffing and bright-dip anodizing

7004- Considered a medium-strength structural alloy.

• Used for transportation, construction, building and other applications
•  Strengths about 25% higher than 6061-T6

7029/7129- Strength levels are considered higher than original automotive trim alloys.

• High strength alloy
• Good machinability
• High stress corrosion and resistance

7116- Used in automotive headrest supports and truck/bus bumpers.

• Medium-strength alloy
• Reasonable machinability and formability