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Practical notes on alloys, specification and coatings for buyers and engineers.
ALLOY GUIDE · NOVEMBER 10, 2026
3xxx Aluminum Coil: Where 3003 and 3105 Fit
3003 is a general-purpose 3xxx alloy. 3105 is a higher-strength option widely used in roofing, gutters and shutters wher…
SPECIFICATION · NOVEMBER 8, 2026
Coil Weight and Length: A Worked Example
Coil weight is roughly density × width × thickness × length. Aluminum density is about 2.70 g/cm³. Example: 1.2 mm × 100…
APPLICATIONS & COATINGS · NOVEMBER 4, 2026
Functional Coatings for Aluminum Coil
Functional coatings add performance beyond appearance, including easy-clean, antibacterial, anti-graffiti and thermal pr…
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