1050A Alloy Data Sheet


Aluminium Alloy 1050A has moderate strength and can be used in extrusions where high ductility and corrosion resistance is important. It generally gives a bright finish.


Alloy 1050A is known for its electrical conductivity and can be used for; automotive trim, chemical and food industry equipment, light reflectors and strips for heat exchangers.

1050A Aluminium Alloy Data Sheet

Properties given are typical and should only be used for comparisons of alloys. Actual values will depend on section specification.

Forming Good
Machining Poor
Welding Good
Brazing/Soldering Good
Protective Anodising Excellent
Aesthetic Anodising Excellent
Mechanical Properties
Temper F, H112
0.2% Proof Stress Min N/mm2 20, 20
Ultimate Tensile Strength Min N/mm2 60, 60
Chemical Composition EN AW-1050A
Si 0.25
Fe 0.40
Cu 0.05
Mn 0.05
Mg 0.05
Zn 0.07
Ti 0.05
Others 0.03
Aluminium 99.50

(The chemical composition of aluminium and aluminium alloys is supplied in percentage by mass. Limits are expressed as a maximum unless shown as a range or a minimum.)

Similar and Obsolete Specifications
AW1050A BS - 1B and 5L36
UNS A91050 DIN. WS 3.0255
UNS 1050A Al 99.5% Pure Aluminium (Al99.5)
A1050 (Australia) 3.0255 : Al 99.5 (Germany)
L-3051 (Spain) 4007 (Sweden)
A5 (France) UNI 9001/2 (Italy)
How can we help?
Do you have a design query or need extrusion advice?
Contact us today to see how Capalex can help
solve your challenges.
Contact us
Capital Aluminium Extrusions Limited
Cleator Moor, Cumbria,