Oct 3 2012
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Fabrication and Heat Treatment
Machinability
Forming
Welding
Heat Treatment
Forging
Hot Working
Cold Working
Annealing
Hardening
Applications
Introduction
Aluminium / Aluminum alloys have strong corrosion resistance. They
are sensitive to high temperatures ranging between 200 and 250°C (392
and 482°F), and can lose some of their strength. However, the strength
of Aluminium / Aluminum alloys can be increased at subzero
temperatures, making them suitable low-temperature alloys.
Aluminium / Aluminum 5005 alloy is a non-heat treatable alloy with
small amount of magnesium content. It has excellent corrosion
resistance and weldability characteristics. The following datasheet
will provide more details about Aluminium / Aluminum 5005 alloy.
Chemical Composition
The following table shows the chemical composition of Aluminium /
Aluminum 5005 alloy.
| Element |
Content
(%) |
| Aluminum, Al |
99.2 |
| Magnesium, Mg |
0.8 |
Physical Properties
The physical properties of Aluminium / Aluminum 5005 alloy are
outlined in the following table.
| Properties |
Metric |
Imperial |
| Density |
2.7 g/cm3 |
0.0975 lb/in³ |
Mechanical Properties
The mechanical properties of Aluminium / Aluminum 5005 alloy are
tabulated below.
| Properties |
Metric |
Imperial |
| Elastic modulus |
70-80 GPa |
10152-11603 ksi |
| Poisson’s ratio |
0.33 |
0.33 |
Thermal Properties
The thermal properties of Aluminium / Aluminum 5005 alloy are
tabulated below.
| Properties |
Conditions |
| T
(ºC) |
Treatment |
| Thermal conductivity |
205 W/mK |
25 |
H38 |
| Thermal expansion |
23.8 x 10-6/°C |
20-100 |
- |
Other Designations
Equivalent materials to Aluminium / Aluminum 5005 alloy are as
follows:
- ASTM B209
- ASTM B210
- ASTM B316
- ASTM B396
- ASTM B397
- ASTM B483
- ASTM B531
- DIN 3.3315
- MIL C-26094
- QQ A-430
- SAE J454
Fabrication and Heat Treatment
Machinability
Aluminium / Aluminum 5005 alloy has poor machinability in the soft
temper conditions. However, the alloy can be machined, but is a lot
tougher than many of the other aluminum alloys. The alloy in the harder
tempers such as H34 and H38 can be machined better than the alloy in
the soft temper condition.
Forming
Formability of Aluminium / Aluminum 5005 alloy, especially in the
softer tempers, can be easily achieved using conventional methods.
Welding
Aluminium / Aluminum 5005 alloy has excellent welding capacity.
Welding is possible using all the commercial methods. Filler metal of
the same alloy has to be used. Welding using resistance method of the O
or annealed temper material requires some trial and error determination.
Heat Treatment
Aluminium / Aluminum 5005 alloy cannot be heat treated, except when
annealed to minimize cold working strain.
Forging
Aluminium / Aluminum 5005 alloy is forgeable.
Hot Working
Aluminium / Aluminum 5005 alloy does not require hot working in most
cases. But if it is required the preferable temperature range is 371 to
204°C (700 to 400°F).
Cold Working
Aluminium / Aluminum 5005 alloy has excellent cold working capacity
including the harder tempers.
Annealing
Annealing can be performed at 343°C (650°F) if required. This should
be followed by air cooling.
Hardening
Aluminium / Aluminum 5005 alloy can be hardened only by cold working.
Applications
Aluminium / Aluminum 5005 alloy is widely used in the manufacture of
the following products:
- Small boats
- Appliances
- Utensils
- Gas lines
- Refrigerator panels
The 5005 alloy can also used in architectural parts and as an
electrical conductor. It is very useful to avoid excessive finishing
costs when using the 3003 alloys due to surface roughness while drawing.