Aluminum Coil 3003 H19
Aluminum Coil 3003 H19 is a widely utilized alloy known primarily for its excellent corrosion resistance, good workability, and moderate strength. It is an alloy from the 3xxx series – aluminum manganese – which offers enhanced properties over pure aluminum but remains lightweight and easy to handle. The temper designation H19 reflects its strain-hardened, full-hard condition, providing maximum strength in the cold-worked state, making it an ideal choice for various industrial applications.
Chemical Composition
The chemical elements and their percentages in Aluminum Alloy 3003 H19 are scrupulously controlled to achieve the recommended properties. manganese is the main alloying element, complemented by copper and other minor elements.
| Element | Percentage (%) |
|---|---|
| Aluminum (Al) | 96.8 – 99.0 |
| Manganese (Mn) | 1.0 – 1.5 |
| Copper (Cu) | 0.05 – 0.20 |
| Iron (Fe) | Up to 0.7 |
| Silicon (Si) | Up to 0.6 |
| Zinc (Zn) | Up to 0.1 |
| Titanium (Ti) | Up to 0.15 |
| Others | ≤ 0.15 |
Physical and Mechanical Properties
Aluminum 3003 H19 alloy offers a balance of strength and good workability in its full hard condition. Below are typical mechanical and physical properties relevant to this grade:
| Property | Value | Unit |
|---|---|---|
| Density | 2.73 | g/cm³ |
| Melting Point | 643 – 654 | °C |
| Tensile Strength (Ultimate) | 195 – 230 | MPa |
| Yield Strength | 150 – 180 | MPa |
| Elongation (in 50 mm) | < 3 | % |
| Hardness (Brinell) | 60 – 90 | HB |
| Thermal Conductivity | 138 – 160 | W/m.K |
| Electrical Conductivity | 32 – 47 | % IACS |
Features of Aluminum Coil 3003 H19
Corrosion Resistance
The manganese alloying leads to strong resistance against atmospheric and chemical corrosion, making the alloy suitable for outdoor environments.Non-Heat Treatable Grade
The alloy derives hardness and strength through strain hardening (H19). No heat-treatment is required; it is available as twin-rolled coil in hardened temper.Good Workability
Despite its hard temper, it can be cold-formed for many fabrication purposes including bending and shaping.Heat Conductivity and Reflectivity
Excellent thermal and electrical conductivity with good reflectivity supports applications needing heat or radiant management.Moderate Strength
The full hard temper (H19) balances forming limitations with a strength increase over annealed soft tempers.
Applications of Aluminum Coil 3003 H19
Due to its beneficial combination of corrosion resistance, strength, and shape retention, Aluminum Coil 3003 H19 is widely implemented across various industries:
| Application Sector | Specific Uses | Notes |
|---|---|---|
| Construction | Roofing panels, sidings, gutters | Durable for exterior exposure |
| HVAC Industry | Air conditioners, heat exchangers | High thermal conductivity |
| Electrical Industry | Reflective insulation, roofing sheets | Excellent reflectance and conduction |
| Cooking & Food Industry | Cooking utensils, steam tables | Food safe, resistant to urine stains |
| Transportation | Truck panels, caravans | Toughness and corrosion resistance |
| Signage and Advertising | Signboards, panels | Easily printable, long-lasting |
Aluminum Coil 3003 H19 is a highly versatile, corrosion-resistant alloy with balanced strength and excellent workability in a fully hardened temper. Its consistent chemical composition coupled with superior physical and mechanical properties makes it an excellent choice for roofing, cooking, HVAC, and electrical reflectors. The alloy’s capacity to withstand harsh weather and resistance to corrosion ensure a long product life cycle ideal for indoor and outdoor applications.
For further technical details or pricing information regarding Aluminum Coil 3003 H19, contact our aluminum plant representatives. Our team is ready to provide support ensuring you select the right product to meet your specific manufacturing or fabrication needs.
