Aluminium alloy 1050 is known for its excellent corrosion resistance, high ductility and highly reflective finish.
Chemical Composition of Aluminium Alloy 1050
Table 1. Chemical composition for aluminium alloy 1050
| Element | % Present |
|---|---|
| Cu | 0-0.05 |
| Mg | 0-0.05% |
| Si | 0-0.25% |
| Fe | 0-0.4% |
| Mn | 0-0.05% |
| Zn | 0-0.07% |
| Ti | 0-0.05% |
| Al | Balance |
Properties of Aluminium Alloy 1050
Mechanical Properties of Aluminium Alloy 1050
Table 2. Mechanical properties for aluminium alloy 1050 H14
| BS EN 485-2:2008 Sheet 0.2mm to 6.00mm |
|
|---|---|
| Property | Value |
| Proof Stress | 85 Min MPa |
| Tensile Strength | 105 – 145 MPa |
| Hardness Brinell | 34 HB |
| Elongation A | 12 Min % |
*properties above are for material in the H14 condition
Physical Properties of Aluminium Alloy 1050
Table 3. Physical properties for aluminium alloy 1050
| Property | Value |
|---|---|
| Density | 2.71 kg/m3 |
| Melting Point | 650°C |
| Modulus of Elasticity | 71 GPa |
| Electrical Resistivity | 0.282 x 10-6 Ω.m |
| Thermal Conductivity | 222 W/m.K |
| Thermal Expansion | 24 x 10-6/K |
Alloy Designations
Aluminium alloy 1050 also corresponds to the following designations:
- AA1050A
- S1B
- A91050
Fabrication of Aluminium Alloy 1050
Welding
When welding Aluminium alloy 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 recommended wire is 5356. For other alloys use 4043 filler wire.
Fabrication Response
Table 4. Fabrication response for aluminium alloy 1050
| Process | Rating |
|---|---|
| Workability – Cold | Excellent |
| Machinability | Poor |
| Weldability – Gas | Excellent |
| Weldability – Arc | Excellent |
| Weldability – Resistance | Excellent |
| Brazability | Excellent |
| Solderability | Excellent |
Temper
The most common temper for 1050 aluminium is:
- H14 – work hardened by rolling to half hard, not annealed after rolling
Applications of Aluminium Alloy 1050
Aluminium alloy 1050 is used for:
- Chemical process plant equipment
- Food industry containers
- Pyrotechnic powder
- Architectural flashings
- Lamp reflectors
- Cable sheathing
Supplied Forms
Aalco supplies alloy Aluminium alloy 1050-H14 as:
- Plain sheet
- Plain sheet with a PVC coating on one side
- Stucco sheet
- Stucco sheet with a PVC coating on one side
- Shate
DISCLAIMER
This Data is indicative only and must not be seen as a substitute for the full specification from which it is drawn. In particular, the mechanical property requirements vary widely with temper, product and product dimensions. The information is based on our present knowledge and is given in good faith. However, no liability will be accepted by the Company is respect of any action taken by any third party in reliance thereon.
As the products detailed may be used for a wide variety of purposes and as the Company has no control over their use; the Company specifically excludes all conditions or warranties expressed or implied by statute or otherwise as to dimensions, properties and/or fitness for any particular purpose.
Any advice given by the Company to any third party is given for that party’s assistance only and without liability on the part of the Company. Any contract between the Company and a customer will be subject to the company’s Conditions of Sale. The extent of the Company’s liabilities to any customer is clearly set out in those Conditions; a copy of which is available on request.
This information has been sourced, reviewed and adapted from materials provided by PACIFIC METAL CO., LTD.
