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Aluminum 6060-T66 Windows
High End and Typhoon/Hurricane Resistance Windows
Sashless Windows
Comparison Chart – 6060-T66 vs. 6063-T5 for Window Profiles
Category 6060-T66 6063-T5 Mechanical Strength Higher strength (≈ 215–222 MPa UTS / 160–200 MPa YS) Moderate strength (≈ 180–186 MPa UTS / 140–145 MPa YS) Rigidity / Wind Pressure Resistance Better resistance, suitable for slim profile designs & large glass Adequate for standard residential windows Hardness / Wear Resistance Higher hardness, more durable at moving contact surfaces Lower hardness, easier to scratch Wall Thickness Design Can use thinner walls with same strength Usually requires slightly thicker walls Surface Treatment Excellent for anodizing & powder coating Excellent for anodizing & powder coating Extrudability / Forming Slightly less easy to extrude complex shapes Best extrudability, smoother extrusion surface Machinability / Cutting Good Very good Weight Optimization Better structural performance for lightweight frames Heavier frame required for strength equivalence Typical Applications High-end windows, high-rise buildings, slim frame systems, heavy glass Standard residential windows, mass-production profiles Cost Higher due to heat-treatment & strength More economical, widely available Availability Less common Very common
Core Advantages of 6060-T66 Profiles
I.Compared to ordinary profiles (such as 6063-T5), 6060-T66 aluminum alloy profiles have significant advantages:
1.Higher Strength: Its tensile strength reaches 222MPa, and its yield strength is 200MPa, representing increases of 29% and 22.7% respectively compared to 6063-T5, significantly improving the wind pressure resistance and load-bearing capacity of doors and windows.
2. Superior Hardness: After cold working, its Webster hardness is 14HW, an increase of 7.6% compared to 6063-T5, resulting in stronger impact resistance and less deformation under extreme external forces.
3. Better Toughness: Higher elongation after fracture means better flexibility and resistance to deformation, effectively reducing the risk of breakage.
4. Stronger Corrosion Resistance: The corrosion resistance of European standard high-precision 6060-T66 aluminum is 30% higher than that of ordinary aluminum, making it particularly suitable for harsh climates such as coastal areas.
II. Applicable Scenarios and Purchase Recommendations
6060-T66 profiles are particularly suitable for the following scenarios:
1.Large windows and high-rise buildings: Their high strength better meets the load-bearing requirements of large windows and high-rise buildings.
2. Extreme weather regions: Their high hardness and corrosion resistance make them perform better in environments such as typhoons and coastal areas.
3. System windows with high performance requirements: It is an ideal material for system doors and windows, achieving better overall performance and service life.
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