Aluminum Alloy 3003 H14 is one of the most widely used materials in the 3xxx series. It offers excellent corrosion resistance, good workability, and moderate strength. Because of its balanced performance and cost-effectiveness, it is widely used in construction, roofing, insulation, and general fabrication.


3003 H14 Aluminum Properties
This alloy offers a good balance between strength and flexibility.
| Property | Value |
|---|---|
| Alloy Series | 3000 Series |
| Main Element | Manganese |
| Density | 2.73 g/cm³ |
| Corrosion Resistance | Excellent |
| Weldability | Excellent |
| Formability | Very Good |
3003 H14 Aluminum Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 140 – 180 MPa |
| Yield Strength | ≥115 MPa |
| Elongation | 5 – 10% |
| Hardness | ~40 HB |
Key point:
Stronger than pure aluminum, but easier to form than higher-strength alloys.
Aluminium 3003-H14 Data Sheet
Chemical Composition
| Element | Content (%) |
|---|---|
| Aluminum | Balance |
| Manganese | 1.0 – 1.5 |
| Copper | 0.05 – 0.20 |
| Silicon | ≤0.6 |
| Iron | ≤0.7 |
| Zinc | ≤0.1 |
3003-H14 Aluminum Sheet Specifications
| Type | Thickness | Width | Length |
|---|---|---|---|
| Sheet | 0.3 – 6 mm | 1000 – 2000 mm | 2000 – 6000 mm |
| Coil | 0.2 – 3 mm | 1000 – 1500 mm | Custom |
| Plate | 6 – 100 mm | Custom | Custom |
3003 H14 Aluminum Sheet Thickness Options
- Thin sheet: 0.2 – 1.0 mm
- Medium sheet: 1.0 – 3.0 mm
- Thick plate: 3.0 – 10 mm
Types of 3003 H14 Aluminum Products
Plain Aluminum Sheet
Smooth surface, used for general fabrication and panels.
Stucco Embossed Sheet
Textured surface, widely used in insulation and jacketing.
Color Coated Aluminum
Decorative and corrosion-resistant, used in roofing and facades.
Perforated Aluminum Sheet
Used for ventilation, ceilings, and acoustic panels.
Aluminum Coil
Ideal for continuous processing like roll forming.
Aluminum Alloy Codes Explained
| Series | Main Element | Features |
|---|---|---|
| 1000 | Pure Aluminum | Soft, corrosion-resistant |
| 3000 | Manganese | Good formability |
| 5000 | Magnesium | Higher strength |
| 6000 | Mg + Si | Structural use |
Aluminum Alloy 3004 Properties (Comparison)
| Property | 3003 | 3004 |
|---|---|---|
| Strength | Medium | Higher |
| Formability | Excellent | Good |
| Applications | General use | Containers, tanks |
3003 H14 vs 5052 H32
| Feature | 3003 H14 | 5052 H32 |
|---|---|---|
| Strength | Medium | Higher |
| Cost | Lower | Higher |
| Formability | Better | Good |
Conclusion:
3003 H14 is better for forming; 5052 H32 is better for strength.
3003 H14 Aluminum vs 6061
| Feature | 3003 H14 | 6061 |
|---|---|---|
| Strength | Medium | High |
| Heat Treatable | No | Yes |
| Application | Sheet metal | Structural |
What Is the Difference Between 3003 and 3003 H14?
- 3003 = Basic alloy (soft condition)
- 3003 H14 = Work-hardened, stronger version
What Is the Difference Between 3003 H14 and 6061?
- 3003 H14: better corrosion resistance, easier to bend
- 6061: higher strength, used for structure
Is 3003 H14 Aluminum Bendable?
Yes, it is highly bendable.
Reasons:
- Good elongation
- Medium hardness
- Not brittle
Suitable for:
- Rolling
- Stamping
- Deep drawing
Applications
Main industries:
- Construction
- HVAC systems
- Roofing and wall panels
- Kitchen equipment
- Chemical storage
Typical uses:
- Curtain walls
- Roofing sheets
- Heat exchangers
- Decorative panels
- Tanks
Advantages
- Excellent corrosion resistance
- Good workability
- Lightweight
- Cost-effective
Limitations
- Not heat treatable
- Lower strength than 5000/6000 series
- Not suitable for heavy load structures
How to Choose the Right Aluminum Alloy
Choose 3003 H14 if you need:
- Good bending performance
- Corrosion resistance
- Lower cost
Choose other alloys if you need:
- High strength → 6061
- Marine use → 5052
What Is 3003 H14 Aluminum?
3003 aluminum is a manganese alloy aluminum known for strong corrosion resistance and good forming ability. The H14 temper means the material is strain-hardened and partially annealed.
Simple breakdown:
- 3003 = Aluminum + Manganese alloy
- H14 = Half-hard temper (medium strength)
H14 Temper Aluminum Explained
The H14 temper is commonly used for aluminum sheets and coils.
Key features:
- Medium strength
- Good bending ability
- Easy to process
- Suitable for stamping and forming
| Temper | Description | Strength | Formability |
|---|---|---|---|
| O | Annealed | Low | Excellent |
| H12 | 1/4 Hard | Medium-Low | Very Good |
| H14 | 1/2 Hard | Medium | Good |
| H18 | Full Hard | High | Low |
Durable, Corrosion-Resistant Aluminum Sheet for Industrial and Architectural Use
Aluminum Alloy 3003 H14 is a versatile and economical material. It is widely used because of its corrosion resistance, easy processing, and stable performance.
It is an ideal choice for aluminum sheets, coils, and decorative panels, especially when forming and durability are important.