At the peak of the golden nine silver ten decoration season, many people took advantage of this time to select building materials. Among the many building materials, aluminum alloy doors and windows must be used in home decoration. In the face of a wide range of products, how should consumers choose the right aluminum alloy? Choose a practical aluminum alloy in the strong promotional smoke of major merchants. Become a point of concern to many people.
Quality affects aesthetics
The quality of the surface of aluminum alloy doors and windows will directly affect the overall effect after installation. Pay attention to the following points when selecting aluminum alloy doors and windows:
1. The decorative surface of the door and window should not have obvious damage and scratches, and the protective film on the surface should not be scratched or scratched.
2. The adjacent components on the doors and windows cannot have obvious chromatic aberration, otherwise the surface aesthetics of the aluminum alloy doors and windows will be affected.
3. Aluminum chips, burrs, oil spots and stains should not appear on the surface of aluminum alloy doors and windows. The aluminum alloy is combined by screws and nails. The surface of the mounted aluminum alloy cannot expose too many nail holes.
The smaller the size deviation, the better
Aluminum alloy door and window products have a reasonable range of dimensional deviation, the smaller the deviation, the better, if it exceeds a certain range, it is a non-qualified product.
Aluminum alloy profiles can be divided into 38mm (38 series), 42mm (42 series), 50mm (50 series), 60mm (60 series), 70mm (70 series), 80mm (80 series), 90mm (90) according to the frame section width. Series), 100mm (100 series) several.
Generally speaking, the width and height of the aluminum alloy door and window frame notch should be within 2000mm, the allowable deviation range is ±1.0mm, and the vertical side of the door and window frame is less than 2000mm, and the allowable deviation range is ≤2.0mm.
Material materials meet five major requirements
Thickness: There are several series of aluminum alloy sliding doors, such as 75, 88, 103, 120, etc. 88 series are commonly used in households; aluminum alloy windows are 50, 55, 70, 76, 118, 130, etc., according to the size of the window hole and wind pressure. For selected windows, the aluminum sliding window for household use cannot be smaller than the 55 series.
Strength: The tensile strength of aluminum alloy doors and windows should reach 157 N/mm 2 and the yield strength reaches 108 N/mm 2 .
Flatness: The surface of the aluminum alloy should be smooth without dents or bulging.
Gloss: There should be no foaming and ash on the surface of aluminum alloy doors and windows. These two impurities appear as white spots and black spots on the aluminum alloy.
Oxidation degree: The surface of the aluminum alloy is coated with an oxide film, which should reach a thickness of 10 microns.
PChouse Editor's Comments: The selection of aluminum alloy doors and windows seems simple, but when faced with a wide range of door and window products, consumers become difficult to choose. When selecting aluminum alloy doors and windows, we need to be optimistic about the surface quality of the products, and reduce the aesthetic quality of the products because of the surface quality. Probability; also need to accurately measure the size of the product, so as not to affect the safety of the use of the error; finally the thickness, strength, flatness and Other indicators of the aluminum alloy should also be carefully checked, in order to buy aluminum alloy.
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