Aluminium alloy 3103 H14 is a commercial alloy. It corresponds to the standard designations and specifications ISO Al Mn1, but it may not be a direct equivalent. The H14 tempered alloy is typically supplied in the form of Sheet.
Image Credit: Shutterstock/Yulia Grigoryeva
Chemical Composition
| Alloy 3103 |
Spec: BS EN 573-3:2009 |
| Chemical Element |
% Present |
| Manganese (Mn) |
0.90 - 1.50 |
| Iron (Fe) |
0.0 - 0.70 |
| Copper (Cu) |
0.0 - 0.10 |
| Magnesium (Mg) |
0.0 - 0.30 |
| Silicon (Si) |
0.0 - 0.50 |
| Zinc (Zn) |
0.0 - 0.20 |
| Other (Each) |
0.0 - 0.05 |
| Others (Total) |
0.0 - 0.15 |
| Chromium (Cr) |
0.0 - 0.10 |
| Titanium + Zirconium (Ti+Zr) |
0.0 - 0.10 |
| Aluminum (Al) |
Balance |
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 |
| Sheet - 0.2mm to 6.0mm |
Spec: BS EN 485-2:2008 |
| Mechanical Property |
Value |
| Tensile Strength |
140 - 180 MPa |
| Proof Stress |
120 Min MPa |
| Hardness Brinell |
45 HB |
Fabrication
- Gas weldability: very good
- Arc weldability: very good
- Brazability: very good
- Solderability: very good
- Resistance weldability: good
- Cold workability: good
- Machinability: acceptable
This information has been sourced, reviewed and adapted from materials provided by Aalco - Ferrous and Non-Ferrous Metals Stockist.
For more information on this source, please visit Aalco - Ferrous and Non-Ferrous Metals Stockist.