Corrosion Resistance
The density of the 40x40 extruded aluminum profile is only 2.7g/cm³, which is about one-third that of steel, copper, or brass (7.83g/cm³, 8.93g/cm³, respectively). Aluminum exhibits excellent corrosion resistance under most environmental conditions, including in air, water (or saltwater), petrochemical products, and many chemical systems.
Conductivity
The 40x40 extruded aluminum is often chosen for its excellent electrical conductivity. On a weight-for-weight basis, aluminum's conductivity is approximately half that of copper.
Thermal Conductivity
The thermal conductivity of the 40x40 aluminum structural profile is about 50-60% that of copper, making it advantageous for manufacturing heat exchangers, evaporators, heating appliances, cookware, and automotive cylinder heads and radiators.
Non-Magnetic
The 40x40 aluminum extrusion profile is non-magnetic, which is an important characteristic for the electrical and electronics industries. Aluminum profiles do not ignite, which is crucial for applications involving handling or contact with flammable and explosive materials.
Machinability
The 40x40 extruded aluminum section has excellent machinability. The machinability varies significantly among the different forged and cast aluminum alloys and their respective states, requiring the use of specialized machinery or techniques.
Formability
The formability is determined by the combination of tensile strength, yield strength, ductility, and the corresponding work-hardening rates, which dictate the allowable amount of deformation.
Product Overviews
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Industrial Aluminum Profiles |
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Anodizing/Spraying/Plating |
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Square, Flat, Round, Hollow, Oval, Triangle, U-profiles, L-profiles,T-profiles, H-profiles,or as customer's requestment |
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Recyclability
The 40x40 aluminum frame profile has extremely high recyclability. The properties of recycled aluminum are almost identical to those of primary aluminum.

Heat Sink Aluminum Profiles.
General Industrial Aluminum Profiles: Mainly used in industrial production and manufacturing, such as the framework of automation machinery, cover plates, and custom parts based on specific mechanical equipment requirements like assembly line conveyors, lifts, dispensers, testing equipment, and shelves. These are widely used in the electronics and cleanroom industries.
Aluminum Alloy Profiles for Rail Vehicle Structures: Primarily used in the manufacturing of rail vehicle bodies.
Mounting Aluminum Profiles: Used in the production of aluminum alloy picture frames, various exhibition setups, and decorative paintings.

Raw Materials
The commonly designated aluminum profile grades in the industry for the 40x40 industrial aluminum profile include 1024, 2011, 6063, 6061, 6082, and 7075, with 6063, 6061, and 6082 being the most prevalent. Different aluminum profiles have varying proportions of metal components during the production process by GNEE. The 60 series, 70 series, 80 series, and 90 series are most commonly used for doors, windows, aluminum profiles, and curtain walls in construction. GNEE aluminum profiles can be customized according to the specific needs of customers, with varying component content, requiring the provision of technical specifications and drawings.


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