Aluminium, Commercial Alloy
Aluminium 1050 O Sheet
General engineering use aluminium alloy.
Aluminium 1050 is a popular grade of aluminium alloy for general sheet metal work where moderate strength is required.
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Range
| Sheet Size | Thicknesses |
| 2000 x 1000 | 5.0 - 6.0mm |
| 2500 x 1250 | 4.0 - 6.0mm |
| 3000 x 1500 | 5.0mm |
PLEASE NOTE
If you do not see what you are looking for, please contact your local service centre with your specific requirements.
1050 O Aluminium Related Specifications
| System / Standard | Country / Region | Grade / Designation |
| AA | USA | 1050A-O |
| UNS | International | A91050-O |
| EN / DIN | Europe | EN AW-1050A-O (Al99.5-O) |
| EN Name | Europe | Al99.5-O |
| GB | China | 1050-O |
| JIS | Japan | A1050-O |
| DIN | Germany | 3.0255 (Al99.5-O) |
| BS | UK | 1B (equivalent to 1050-O) |
| AFNOR | France | A5-O |
Properties
Chemical Composition
Alloy 1050
| Chemical Element | % Present |
| Aluminium (Al) | 99.50 - 0.00 |
| Manganese (Mn) | 0.00 - 0.05 |
| Iron (Fe) | 0.00 - 0.40 |
| Copper (Cu) | 0.00 - 0.05 |
| Magnesium (Mg) | 0.00 - 0.05 |
| Silicon (Si) | 0.00 - 0.25 |
| Zinc (Zn) | 0.00 - 0.07 |
| Titanium (Ti) | 0.00 - 0.05 |
| Other (Each) | 0.00 - 0.03 |
Mechanical Properties
Sheet 0.2mm to 6.00mm
| Mechanical Property | Value |
| Tensile Strength | 65 -95 MPa |
| Proof Stress | 20 Min MPa |
| Hardness Brinell | 20 HB |
General Physical Properties
| Physical Property | Value |
| Density | 2.71 g/cm³ |
| Melting Point | 650 °C |
| Thermal Expansion | 24 x 10-6/K |
| Modulus of Elasticity | 71 GPa |
| Thermal Conductivity | 222 W/m.K |
| Electrical Resistivity | 0.0282 x 10-6 Ω .m |
Applications
- Alloy 1050 is typically used for:
- Chemical process plant equipment
- Food industry containers
- Pyrotechnic powder
- Architectural flashings
- Lamp reflectors
- Cable sheathing
- General sheet metalwork
Characteristics
- Excellent corrosion resistance
- High ductility
- Highly reflective finish
- Excellent weldability
- Excellent cold working properties
Additional Information
Fabrication
| Process | Rating |
| Workability - Cold | Excellent |
| Machinability | Poor |
| Weldability - Gas | Excellent |
| Weldability - Arc | Excellent |
| Weldability - Resistance | Excellent |
| Brazability | Excellent |
| Solderability | Excellent |
Weldability
When welding 1050 to itself or an alloy from the same subgroup the recommended filler wire is 1100. For welding to alloys 5083 and 5086 or alloys from the 7XXX series, the recommend wire is 5356. For other alloys use 4043 filler wire.
