Aluminium, Commercial Alloy
3103 H14 Sheet
A commercial aluminium alloy which is close in properties to 3003.
Aluminium 3103 is a medium strength aluminium alloy often found in transport and HVAC applications.
It has very similar properties to 3003. It has better mechanical properties over the 1000 series alloys especially at elevated temperatures.
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Range
| Sheet Size | Thicknesses |
| 2000 x 1000 | 1.0mm - 1.5mm |
| 2500 x 1250 | 1.0mm - 3.0mm |
| 3000 x 1250 | 3.0mm |
PLEASE NOTE
If you do not see what you are looking for, please contact your local service centre with your specific requirements.
3103 H14 Aluminium Related Specifications
| System / Standard | Country / Region | Grade / Designation |
| AA | USA | 3103-H14 |
| EN / DIN | Europe | EN AW-3103-H14 / 3.0515 |
| EN Name | Europe | AlMn1-H14 |
| GB | China | 3103-H14 (GB/T 3190) |
| JIS | Japan | A3103-H14 |
| UNS | International | A93103 (3103-H14) |
| BS (older) | UK | 3103 (N3) H14 |
| AFNOR | France | 3103-H14 (AlMn1) |
Properties
Chemical Composition
Alloy 3103
| Chemical Element | % Present |
| Manganese (Mn) | 0.90 - 1.50 |
| Iron (Fe) | 0.00 - 0.70 |
| Copper (Cu) | 0.00 - 0.10 |
| Magnesium (Mg) | 0.00 - 0.30 |
| Silicon (Si) | 0.00 - 0.50 |
| Zinc (Zn) | 0.00 - 0.20 |
| Other (Each) | 0.00 - 0.05 |
| Others (Total) | 0.00 - 0.15 |
| Chromium (Cr) | 0.00 - 0.10 |
| Titanium + Zirconium (Ti+Zr) | 0.00 - 0.10 |
| Aluminium (Al) | Balance |
Mechanical Properties
Sheet 0.2mm to 6.0mm
| Mechanical Property | Value |
| Tensile Strength | 140 - 180 MPa |
| Proof Stress | 120 Min MPa |
| Hardness Brinell | 45 HB |
General Physical Properties
| Physical Property | Value |
| Density | 2.73 g/cm³ |
| Melting Point | 655 °C |
| Thermal Expansion | 23.1 x 10-6/K |
| Modulus of Elasticity | 69.5 GPa |
| Thermal Conductivity | 160 W/m.K |
| Electrical Resistivity | 42 % IACS |
Applications
- Heat exchangers
- Air condition evaporators
- Aircraft and military components
- Motor vehicle radiators
- Freezer linings
- Cladding alloy
- Office equipment
- Tubing and piping
- Pressure vessels
Characteristics
- Good cold workability
- Very good weldability
- Good resistance to atmospheric corrosion
Additional Information
Fabrication
| Process | Rating |
| Workability - Cold | Good |
| Machinability | Acceptable |
Weldability
| Process | Rating |
| Weldability - Gas | Very Good |
| Weldability - Arc | Very Good |
| Weldability - Resistance | Good |
| Brazability | Very Good |
| Solderability | Very good |
