Aluminium 3103
Specifications
- Commercial: 3103
- EN: 3103
Alloy Designations
Aluminium alloy 3103 corresponds to the following standard designations and specifications but may not be a direct equivalent: ISO Al Mn1.
Supplied Forms
Alloy 3103-H14 is normally supplied as sheet.
Temper Types
The most common temper for 3103 aluminium is: H14 - work hardened by rolling hald hard, not annealed after rolling.
Fabrication
- Solderability: Very Good
- Weldability - Gas: Very Good
- Weldability - Arc: Very Good
- Weldability - Resistance: Good
- Brazability: Very good
- Workability - Cold: Good
- Machinability: Acceptable
Weldability
Alloy 3103 has very good weldability
Chemical Compositions
| Element | % Present |
|---|---|
| Manganese (Mn) | 0.9 - 1.50 |
| Iron (Fe) | 0.0 - 0.70 |
| Silicon (Si) | 0.0 - 0.50 |
| Magnesium (Mg) | 0.0 - 0.30 |
| Zinc (Zn) | 0.0 - 0.20 |
| Others (Total) | 0.0 - 0.15 |
| Chromium (Cr) | 0.0 - 0.10 |
| Copper (Cu) | 0.0 - 0.10 |
| Titanium + Zirconium (Ti+Zr) | 0.0 - 0.10 |
| Other (Each) | 0.0 - 0.05 |
| Aluminium (Al) | Balance |
Mechanical properties
| Property | Value |
|---|---|
| Proof Stress | 120 Min MPa |
| Tensile Strength | 140 - 180 MPa |
| Hardness Brinell | 45 HB |
Reference data for some physical properties (for guidance only)
| Property | Value |
|---|---|
| Density | 2.73 Kg/m3 |
| Melting Point | 655 °C |
| Thermal Expansion | 23.1 x 10-6 /K |
| Modulus of Elasticity | 69.5 GPa |
| Thermal Conductivity | 1609 W/m.K |
| Electrical Resistivity | 42% IACS |
Editor
thyssenkrupp Materials (UK) Ltd
Cox’s Lane
Cradley Heath
West Midlands
B64 5QU
Important Note
Information given in this data sheet about the condition or usability of materials respectively products are no warranty for their properties, but act as a description. The information, we give on for advice, comply to the experiences of the manufacturer as well as our own. We cannot give warranty for the results of processing and application of the products.