3003 3004 3005 Durable Color Coated Aluminum Coil Roll For Gutter Coil
Price:
2950-3150 USD/Ton
MOQ:
5 Ton
Delivery Time:
7-25 days after order confirmation
Brand:
YONGSHENG
Product Description
3003 3004 3005 Durable Color Coated Aluminum Coil Roll for Gutter Coil
The most commonly used and ideal aluminum alloys for manufacturing gutter coils are AA3003, AA3004 and AA3005. Among them, AA3003 is the "gold standard" and the primary choice in this field. AA3003 is a typical heat-treatment-resistant aluminum-manganese alloy with composition approximately: manganese (Mn): 1.0 - 1.5%, copper (Cu): 0.05 - 0.20%, aluminum (Al): the remainder.
Material Comparison for Gutter Coil Manufacturing
| Characteristics | AA3003 Aluminum | Galvanized Steel | PVC Plastic | Copper |
|---|---|---|---|---|
| Corrosion Resistance | Excellent (double protection) | Moderate (easily rusted at the cut) | Good (but prone to aging and brittleness) | Excellent (forms green copper oxide) |
| Life Expectancy | Extremely long (40+ years) | Medium | Medium | Extremely long |
| Weight | Light | Heavy | Light | Heavy |
| Cost | Medium (initial cost) | Low (initial cost) | Low (initial cost) | Extremely high |
| Life Cycle Cost | Low (no maintenance required) | High (requires painting maintenance) | Medium (requires replacement) | High |
| Aesthetics and Design | Abundant | Limited | Limited | Classic but Singular |
| Environmental Protection | High (can be infinitely recycled) | Medium | Medium | High |
From the comparison above, color-coated aluminum sheets represent the optimal choice for downpipe systems, combining superior material properties, performance, and economic benefits.
Materials Science & Corrosion Resistance
This is the primary reason why color-coated aluminum is used for downspouts:
- Natural corrosion resistance: Aluminum forms a dense oxide passivation film when exposed to air, preventing further contact with water and oxygen
- Dual protection coating: Physical barrier and chemical inertness provide complete isolation from water, acid rain, and pollutants
- Optimal alloy selection: Manganese-based alloys (3003, 3004, 3005) maintain excellent corrosion resistance while offering good formability
Surface Treatment & Aesthetics
Downspouts are important visual components that complement building facades:
- Extensive color options: Available in any RAL color range with wood-grain and stone imitation effects
- Long-lasting color retention: High-performance coatings resist UV degradation, maintaining brightness for decades
- Consistent coating quality: Automated roller coating ensures uniform thickness and color consistency
Mechanical Properties & Workability
Gutter coils require specific mechanical properties for roll forming:
- Excellent formability: Alloys in appropriate tempering states (H14, H24) can be bent into complex shapes without cracking
- Superior strength-to-weight ratio: Lightweight design reduces installation labor and structural load requirements
- Flexibility: Withstands slight collisions and thermal expansion without permanent deformation
Service Life & Life-Cycle Cost
Color-coated aluminum downspouts offer significant economic advantages:
- Extended service life: PVDF-coated systems can last over 40 years with no maintenance required
- Low total cost of ownership: Minimal maintenance and replacement costs make it the most cost-effective long-term solution
Environmental Sustainability
Modern building materials increasingly emphasize environmental attributes:
- 100% recyclable: Aluminum can be infinitely recycled using only 5% of the energy required for new production
- Pollution-free operation: Rainwater runoff contains no contaminants, making it environmentally safe
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Company
Henan Yongsheng Aluminum Industry Co.,Ltd.
Location
Gongyi City Industry Cluster District,Huiguo Town,Gongyi City,Henan Province,China
Contact Person
Wang