3003 stucco embossed aluminum sheet
Stucco embossed aluminum sheets, particularly those made from the 3003 alloy, have surged in popularity for their enhanced aesthetics, durability, and versatile functionality.
What is 3003 Stucco Embossed Aluminum Sheet?
3003 Stucco Embossed Aluminum Sheet is an aluminum sheet coated with a raised, patterned texture via an embossing process. The "stucco" pattern replicates the timeless rough, but decorative surface of stucco finishes, imparting a non-slip and aesthetically pleasing appearance. This texture not only enhances visual appeal but also boosts functional benefits like scratch resistance and improved adhesive bonding when used as cladding materials or roofing components.
The 3003 alloy base confers excellent corrosion resistance and good workability, making it highly practical for varied applications.
Alloy 3003 Basics: Why It’s Used for Stucco Aluminum Sheets
Coming from the 3xxx series of non-heat-treatable aluminums, alloy 3003 primarily consists of aluminum mixed with manganese. Its composition imparts desirable properties such as:
- Moderate strength increased relative to pure aluminum
- Outstanding corrosion resistance against atmospheric conditions
- High ductility and formability enabling embossing and bending
- Good weldability and moderate mechanical properties overall
Chemical Composition of 3003 Aluminum Alloy
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Aluminum (Al) | Balance | - |
| Manganese (Mn) | 1.0 | 1.5 |
| Copper (Cu) | - | 0.10 |
| Iron (Fe) | - | 0.7 |
| Silicon (Si) | - | 0.6 |
| Zinc (Zn) | - | 0.10 |
| Titanium (Ti) | - | 0.15 |
| Others | - | 0.15 |
Technical Specifications and Standards Compliance
3003 stucco embossed aluminum sheets adhere to internationally recognized standards that regulate thickness, dimensions, and quality attributes suitable for construction and industrial use. The most common standards implemented include ASTM, JIS (Japanese Industrial Standards), and EN (European Norm) standards.
| Parameter | Specification |
|---|---|
| Thickness Range | 0.3 mm to 2.0 mm |
| Width Range | Up to 1250 mm |
| Length Range | Customizable |
| Temper Grades | H14 (half-hard), H24 (quarter-hard), H18 (three-quarter-hard) |
| Surface Finish | Stucco Embossed Pattern |
| Standard Compliance | ASTM B209, JIS H4110, EN 573-3 |
Alloy Temper and Material Hardness
The temper designation here reflects the degree of cold work done to achieve balanced mechanical strength and flexibility:
| Temper | Characteristics |
|---|---|
| H14 | Strain hardened ~50%, moderate strength & wear resistance |
| H18 | Strain hardened ~75%, more rigid, used in structural elements |
| H24 | Quarter hard with additional partial annealing, good formability, moderate strength |
These temper grades influence embossing quality and suited application scenarios — for example, the H14 temper provides tougher embossed sheets suited for external paneling.
Functions and Benefits of 3003 Stucco Embossed Aluminum Sheet
Enhance Surface Appearance and Function
The stucco embossing create a visually striking pattern which serves multiple functional purposes inline with its decorative nature:
- Adds slip resistance helping walkways and platforms to meet safety standards
- Conceals scratches and minor dents better than flat sheets
- Enhances bonding during coating or adhesive application – ideal for roofing and siding sheets
Strong Weather and Corrosion Protection
With high native corrosion resistance to sulfur dioxide, salty environments, and oxidation due to aluminum/manganese alloy characteristics, 3003 embossed sheets have increased service life outdoors. This is matched by anodizing or painting compatibility for added protection if desired.
Structural Stability with Lightweight Properties
The cold-hardening temper options allow the sheets to retain structural sturdiness even under external pressure like wind/shear forces, at a fraction of the weight versus steel equivalents — enabling easier transportation, installation, and design flexibility.
Typical Applications of 3003 Stucco Embossed Aluminum Sheet
Roofing and Wall Cladding
Widely used as decorative and protective layers for roofing since the embossed pattern improves rainwater runoff and noise reduction. Its thermal conductivity enables complementing insulation in facades and wall paneling.
Transport and Packaging Industry
Due to its lightweight and corrosion-resistant features, 3003 embossed sheets find utility in building truck and trailer bodies, boat decks, and container liners, where skid resistance (from embossing) is critical.
Sheet Metal Fabrication
Often shaped into ducts, ladders, and storage equipment parts where a rugged grip surface reduces accidents.
HVAC System Components
Stucco embossed sheets ensure enhanced physical durability and resistance to moisture, extensively utilized in manufacture of heating ventilation air ducts and units.
| Property | Performance/Specification |
|---|---|
| Density | 2.73 g/cm³ |
| Tensile Strength (H14) | ~130 MPa |
| Yield Strength (H14) | ~95 MPa |
| Elongation at Break | >10% Heat influence, temper-specific |
| Thermal Conductivity | 160-180 W/m·K |
| Corrosion Resistance | Excellent in marine and urban environments |
| Surface Hardness | Moderate (improved by embossing process) |
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