Four criteria for judging high-end aluminum alloy

2022-07-22
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For high-end customized aluminum alloy doors and windows, the franchise agent of bridge breaking system doors and windows will find bailima doors and windows, and the service hotline is 400-9999-600

after nearly 30 years of development, aluminum alloy doors and windows have gradually replaced plastic steel doors and windows and become the leading products of doors and windows. Nowadays, aluminum wood composite doors and windows can be seen in villas, hotels, high-end clubs and other occasions. So, how to choose high-end aluminum alloy doors and windows? Bailima doors and windows made the following summary:

I The quality of the door and window surface will directly affect the subsequent overall installation effect. Therefore, when choosing to purchase, we should pay attention to the following aspects to check the quality of the door and window surface:

1. The decorative surface of the door and window should not be obviously damaged, and the protective film on the door and window surface should not be scratched

2. There should be no obvious color difference on the colored surface of adjacent components on the door and window

3. There should be no aluminum chips, burrs, oil spots or other stains on the surface of the door and window; There should be no overflowing adhesive at the assembly connection; There should not be too many nail holes exposed, which will affect the appearance

II. The smaller the size deviation of the product, the better.

aluminum alloy door and window products will have a qualified range of size deviation, and the smallest size deviation is better

III. materials need to meet five requirements

aluminum alloy door and window products mainly have five requirements on materials:

1. Thickness: the thickness of aluminum alloy sliding door frame mainly includes 2.0mm1.8mm1.6mm1.4mm1.2mm series, and the aluminum alloy sliding door inside the house can use 1.2 series. The aluminum alloy sliding window in the official website of belima doors and windows has several choices, such as Louis Lafite series, Cezanne series, Picasso series, Bordeaux series, etc., which should be determined according to the size of the window hole and the local wind pressure value. Among them, the aluminum alloy sliding window used as a closed balcony should not be less than 55 series

2. Strength: the tensile strength should reach 157 Newtons per square millimeter, and the yield strength should reach 108 Newtons per square millimeter. When shopping, you can bend the profile to an appropriate extent with your hand, which is a very good product that can be restored to its original state after you let go

3. Flatness: when inspecting the surface of aluminum alloy profile, there should be no depression or bulge

4. Gloss: aluminum alloy doors and windows should avoid choosing profiles with open bubbles and ash on the surface, as well as cracks, burrs, peeling and other obvious defects

5. Oxidation degree: the thickness of oxide film should reach 10 microns. When choosing to buy, you can scratch the surface of the profile to see whether the oxide film on its surface can be wiped off

IV. the components of aluminum alloy doors and windows are firmly connected

in terms of components, the components of aluminum alloy doors and windows should be firmly connected. At present, most of the metal connection doors and windows in the market also have advantages in this regard

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