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Material selection of aluminum alloy doors and windows
Editor: liefan, September 17, 2019 07:00:01

Material selection of aluminum alloy doors and windows

It is common for aluminum alloy materials to appear deformation of doors and windows, push-pull immobility and so on. Consumers should pay attention to the thickness of materials: there are 70 series and 90 series aluminum alloy sliding doors, and 70 series can be used for interior aluminum alloy sliding doors. The series number represents the number of mm in which the door frame thickness is constructed. There are four kinds of aluminum alloy sliding windows: 55 series, 60 series, 70 series and 90 series. Series selection should be based on the size of window opening and local wind pressure value. Aluminum alloy push-pull windows used as closed balcony should not be less than 70 series.

In the material selection aspect has the following attention!

1. Thickness: there are 70 series and 90 series aluminum alloy sliding doors, and 70 series can be used for aluminum alloy sliding doors inside residential buildings. The series number represents the number of mm in which the door frame thickness is constructed. There are four kinds of aluminum alloy sliding windows: 55 series, 60 series, 70 series and 90 series. Series selection should be based on the size of window opening and local wind pressure value. Aluminum alloy push-pull windows used as closed balcony should not be less than 70 series.

2. Strength: the tensile strength should reach 157 n / m2 and the yield strength should reach 108 n / m2. When purchasing, you can use your hand to bend the profile moderately, and you should be able to return to its original state after releasing it.

The color difference of the same aluminum alloy should not be the same.

4. Flatness: check the surface of aluminum alloy profile, there should be no depression or bulge.

5. Gloss: aluminum alloy doors and windows should avoid selecting profiles with open bubbles (white spots) and ash (black spots), as well as cracks, burrs, peeling and other obvious defects on the surface.

6. Oxidation degree: the thickness of oxide film should reach 10 μ M. When purchasing, you can mark the profile surface to see whether the oxide film on the surface can be wiped off.


Advantages of bridge broken aluminum doors and windows: light weight, high strength. The density is only a third of what it was. Good sealing performance. Sealing performance directly affects the use of doors and windows function and energy consumption. The sealing performance includes air tightness, water tightness, heat insulation and sound insulation. Good durability. Easy to use and maintain. Aluminum alloy doors and windows do not rust, do not fade, do not fall off, almost no maintenance, spare parts have a long service life. The decoration effect is elegant. There are artificial oxide film on the surface of aluminum alloy Mengchuang, and the composite film is colored to form a composite film. The composite film is not only corrosion resistant, wear-resistant, but also has a certain degree of fire resistance, and high gloss. Aluminum alloy doors and windows due to light weight, processing and assembly precision, accurate, so light and flexible opening and closing, five noise. In line with the modern decoration pursuit of elegant style trend.

Liefan teaches you to buy aluminum alloy doors and windows   [ Back to home page ] [ Printing ] [ Back to previous page ]    Aluminum alloy doors and windows need to be strengthened to achieve environmental protection and low carbon

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