1050A aluminium
Learn about 1050A aluminium grade and its properties. Find out how this low mechanical strength alloy is processed and used in different industries.
Chemical composition
Nominal chemical composition
99,5Al
Normalized chemical composition
Table 1 – Chemical composition of 1050A aluminium grade (EN 573-3)
Designations
- EN 573-3: EN AW-Al 1050А or 99,5
- International Registration (Teal Sheats) – Aluminum Association: 1050A
- Unified Numbering System (UNS): A91050A
- ISO 209: 1050A
- DIN 1725-1 (canceled): Al99.5 and 3.0255
See also: Aluminium grades
Characteristcs
- Wrought aluminium grade
- Aluminium content of not less than 99,5 %
- No special alloying elements.
- Belongs to 1xxx series
- Low mechanical strength
- High plasticity and formability
- Processed by extrusion, drawing, hot and cold rolling
Standard tempers
Extruded products – rods, tubes, profiles (EN 755):
- F
- O
- H111, H112
Cold-Products – Rods, tubes, profiles (EN 754):
- O
- H111
- H14, ःL6, H18
Rolled products – sheets, stripes, slabs (EN 485):
- F
- O
- H111, H112
- H14, ःL6, H18, H19
- H22, H24, H26, H28
Mechanical properties
See also:Properties of aluminium
Mininal mechanical properties
Table 2 – Mechanical property limits (EN 755-2)
Physical properties (Temper O)
- Interval melting temperature, ºC: 650-658
- Density at 20 oC, kg /dm2: 2,705
- The linear expansion coefficient in the range 20-100 oC, μm / (m K): 23,8
- Thermal conductivity at 20 oC, W / (m K): 209
- Electric conductivity at 20 ºS: 61,3 % from the conductivity of the copper standard (IACS)
Technological properties
- The ability to cold-forming – High
- The ability to mechanical machining – low
- Weldability gas welding – High
- Weldability arc welding – high
- Weldability welding resistance – high
- The solderability – high
Application of 1050A aluminium
Examples:
- extruded pipes in bays, including, for heat exchangers
- fin
- chemical equipment
- food containers
- reflector lamps
- outer sheath of electric cables
- aluminium powder
Sources:
- International Alloy Designations and Chemical Composition Limits for Wrought Aluminum and Wrought Aluminum Alloys – Aluminum Association, 2015
- Aluminium & Cars. Design – Techology – Innovation, Edimet Spa, 2005
- Aluminum and Aluminum Alloys, ASM International, 1993.
- EN 573-3
- EN 755-2