Aluminium alloy 6060
Chemical composition
Nominal chemical composition
Al-0,5Mg-0,45Si
Normalized chemical composition
Table 1 –
The chemical composition of the alloy 6060 by EN 573-3 in comparison with alloys 6063 AD31 and GOST 4784-97
comparison of alloys 6060, 6063 and AD31
See. table 1 and figure below. Alloy 606035 – internal company HYDRO c alloy narrowed intervals of chemical elements in the alloy 6060. This alloy is often used in the production of aluminum profiles for walling – window, doors, facades.
Metallurgical characteristics
- Wrought
- Thermally hardenable
- Частичные аналоги: сплавы 6063 and AD31.
- Compared with 6063 AD31 and abortion 6060 It has an excessive content of Si relative to the magnesium. The silicon content is about the same, а содержание магния значительно ниже: 0,35-0,6 instead 0,45-0,9 %.
- Максимальное содержание железа: 0,30 compared with 0,35 % in 6063 and 0,5 % in AD31.
- The place of alloy 6060 among other 6xxx series alloys – look. picture below.
designations
- EN 573-3:2013: EN AW-6060 и EN AW-Al MgSi
- Teal Sheet – Aluminium Association: 6060
- Unified Numbering System (UNS): А96060
- ISO 209:2007: 6060
- DIN 1725-1 (отменен): AlMgSi0,5 и 3.3206
Typical applications
- Enclosing constructions, such as windows, facade constructions, enter the store, winter gardens.
- internal partitions, stairs, fences, rail.
- Теплорассеивающие элементы («гребенки») электронных приборов, including, computers.
- Flexible Assembly Systems, elements of engineering equipment.
- Details trucks body.
- Interior equipment of passenger cars.
- irrigation, heating and cooling pipes.
- Furniture and office equipment.
Mechanical properties
Normalized mechanical properties
Table 2 –
requirements EN 755-2:2016 к механическим свойствам
extruded rods, tubes and profiles of alloy 6060
Typical mechanical properties
See. table 2:
- tensile strength
- предел текучести (0,2 %)
- удлинение (А)
- Shear strength
- Vickers hardness
Table 2 – Typical mechanical properties of the alloy 6060 [1]
Poisson's ratio
0,33
Модуль упругости (модуль Юнга)
- in tension and compression - 69000 MPa
- Shear - 26000 MPa.
Physical properties
Density
2,70 g / cm3 at 20 ° C
melting interval
from 600 by 655 ° C.
The coefficient of linear thermal expansion
23,5 мкм/(м · К) в интервале от 20 by 100 ° C.
Thermal conductivity
200 Вт/(м · К)
Specific heat
880-900 Дж/(кг · К)
electrical conductivity
52 % IACS (54 % по отношению к отожженной меди)
Technological properties
compressibility
alloy compressibility 6060 по сравнению с другими сплавами серии 6ххх [4]
Weldability
- Good arc-welded under inert gas, in particular, argon arc welding, as non-consumable electrode (GTAW-TIG), and consumable electrode (GMWA-MIG).
- Conventional welding alloy - 4043.
homogenization
580-585 ° C for at least 2 hours.
Annealing
420 ° C.
Temperature hardening
510 ° C.
artificial aging
185 ° C. 5 hours.
bending
In the state T4.
Sources:
1. European Aluminium Association – http://www.alueurope.eu
2. EN 573-3:2013
3. EN 755-2:2016
4. TALAT 1302