Nanshan brand aluminum alloy identification, how to check whether Nanshan brand aluminum alloy doors

The quality of Nanshan aluminum is really good, and the insulating glass of broken bridge aluminum is about 430 yuan.

The quality of aluminum alloy doors and windows can be judged from several aspects:

Take a look at the materials. The aluminum profile, thickness, strength and oxide film used in high-quality aluminum alloy doors and windows should comply with the relevant national standards, the wall thickness of the main stressed rods of aluminum alloy windows should be more than millimeters, the wall thickness of the main stressed rods of aluminum alloy doors should be more than millimeters, the tensile strength should reach 157 Newtons per square meter, the yield strength should reach 108 Newtons per square millimeter, and the thickness of the oxide film should reach 10 microns.

Second, look at the processing. High-quality aluminum alloy doors and windows, fine processing, exquisite installation, good sealing performance, free switching. Inferior aluminum alloy doors and windows, blind selection of aluminum profile series and specifications, rough processing, sawing instead of milling, not according to the requirements of installation, poor sealing performance, switch is not free, not only leakage and rain leakage and glass bursting, but also encounter strong wind and external force, easy to push and pull part or glass scrape or bump down, destroy and hurt people.

Three looks**. In general, high-quality aluminum alloy doors and windows are about 30% higher than low-quality aluminum alloy doors and windows due to high production costs. Some aluminum alloy doors and windows made of aluminum profiles with a wall thickness of only millimeters have tensile strength and yield strength that are much lower than those stipulated in the relevant national standards, and are very unsafe to use.

Nowadays, many families choose aluminum alloy for doors and windows, so how much do you know about the essentials of material selection? How to inspect the quality of installed aluminum alloy doors and windows? First of all, check the quality of the material:

1.Check whether the cross-sectional thickness of the profile is consistent with the model, and the profile that does not reach the wall thickness size cannot be used. 2.

Check whether the aluminum alloy profile (6 meters long) has obvious twisting, such as the twist is so severe that it is difficult to recover

Details, actual points, how to judge that it has been installed.

Not far from the surface of Nanshan aluminum alloy, there is a laser anti-counterfeiting Nanshan logo, which can only be seen at an angle. Good luck and good luck!

Generally speaking, look at the plating and thickness to know whether it is true or false

And also**. If it's too cheap, there's definitely something wrong.

Ask the Nanshan headquarters directly to consult whether the material you purchased is their best business, and whether the profile is authentic, so that you can have an accurate answer from the manufacturer.

The anti-counterfeiting code of Nanshan Aluminum Broken Bridge Aluminum is on the inside of the heat insulation strip, mainly to prevent the visual impact on the decorative surface.

Hit the official website of Nanshan Aluminum** Ask!

Fenglu brand aluminum, the accurate method of authenticity and false identification is to do chemical composition testing. But in the absence of conditions, we can only use the "observation method" to distinguish between them. What is the "observation method" is that we look at the surface of the aluminum profile from different angles.

Aluminum door and window profiles are extruded by aluminum rods from profile molds, like counterfeit phoenix aluminum profiles with scrap aluminum as raw materials, so the material contains a large number of impurities, and it is easy to pull the mold when extruding, so that the surface of the profiles produced is not smooth, there are more traces, and the profiles produced with scrap aluminum cannot reach the standard in various physical effects such as strength and hardness.

The surface treatment of counterfeit profiles is mostly powder spraying (common colors: green, white, gray), this treatment method is simply put, it is to cover the extruded profile with powder, which has a huge advantage over the garbage counterfeit phoenix aluminum profile, and can effectively cover up the traces on the extruded profile. However, due to the fact that the counterfeiters use inferior powder, the attachment period is short, easy to fall off, and the powder covering the profile is less and thin, and the extruded profile has too many and too deep traces, even if there is a layer of powder cover, as long as it is observed from different angles and profile positions, it is still easy to see these unsightly marks.

Before you install the customized Fenglu aluminum material, be sure to carefully observe the surface of the profile and whether there are traces. If you can't see the surface observation, you also have the right to ask the processing and installation personnel to do a good job of doors and windows, disassemble a piece, look at the inner wall of the middle of the profile, the profile in the surface spraying treatment, the section can not be sprayed, so that you see the profile is not covered by the powder of the natural color, so that it is easy to identify whether there are traces on the profile. Authentic Feng Aluminum will not appear any traces.

We recommend that when you view, ask the processing and installation personnel to disassemble your designated observation, and observe on the surface without color powder, you can easily identify the pull!

The difference between real and fake Feng Aluminum is mainly the identification difference on the material, and the real Feng Aluminum material will have the relevant logo of Feng Aluminum, and it is a dotted word code; There is also a difference in the structure, but it is not easy for ordinary people to identify, that is, the fake phoenix aluminum is an imitation of the phoenix aluminum material after all, so it does not dare to imitate 100%, so there is a difference in the fixed window, and the pressing line is also different, which is not very important if you do not compare carefully; In fact, the surface treatment of true and false phoenix aluminum is also different, the surface color of true phoenix aluminum is uniform, and there is no wavy situation, but the fake phoenix aluminum is electrostatically sprayed under the local poor equipment, so it is impossible to reach the level of surface treatment of phoenix aluminum.

Due to the current requirements for the type of color is more, so the regular manufacturers have no way, in addition to white, green, Nanjing Feng Aluminum is not in stock, so the manufacturer has to use the real Feng Aluminum to change the color, when this situation to distinguish the true and false is best to Feng Aluminum's Nanjing office for identification.

First of all, we have to look at the inkjet code of Feng aluminum, the real Feng Aluminum is sprayed by the manufacturer, how to get it can not be removed, such as wiping it with a hard point and a warm towel, and the fake inkjet code is easy to be wiped off. The other is that the batch of Fenglu broken bridge aluminum profile is only white, and the other materials are not white, and they are all metallic colors of aluminum alloy.

1。Lighter weight 2. It is angular and angular, 3 after the cut is white, 4 is hard, very thin, and very hard.

1. Look at the thickness, the thickness of the commonly used series of aluminum alloy profiles should be.

2. Look at the strength: When purchasing, you can use your hands to bend the profile moderately, and see if it can be restored to its original state after sending it to your hands.

3. Look at the color: the color of the same aluminum alloy material should be consistent, if the color difference is obvious, that is, please make the situation, do not buy easily.

4. Look at the flatness: check the surface of the aluminum alloy profile, there should be no concave or bulging out.

5. Look at the gloss: Aluminum alloy doors and windows should avoid buying profiles with open bubbles (white spots) and ash slag (black spots) on the surface, as well as obvious defects such as cracks, burrs, and peeling.

Pay attention to the purchase of aluminum alloy doors and windows.

1. The identification of the mark is regular or has a production license of the manufacturer, in the obvious part of the aluminum alloy products are marked with the product mark, including: the name of the manufacturer or trademark, the product name, the product model or mark, the date or number of manufacture. The packing box should have obvious words and signs of "moisture-proof", "handle with care" and "up".

Pay attention to the purchase of aluminum alloy doors and windows.

Second, the surface quality of aluminum alloy doors and windows directly affects the decorative effect of the entire wall after installation. When inspecting the surface quality of doors and windows, the following aspects should be noted: 1. There should be no obvious damage to the decorative surface of doors and windows, which means that the protective film on the surface of doors and windows should not have traces of abrasions and scratches.

2. There should be no obvious color difference on the coloring surface of adjacent components on doors and windows. 3. There should be no aluminum chips, burrs, oil spots or other stains on the surface of doors and windows, and there should be no spilled adhesive at the assembly joint. Pay attention to the purchase of aluminum alloy doors and windows.

3. Size deviation: The size deviation of aluminum alloy door and window frame is the smallest. Pay attention to the purchase of aluminum alloy doors and windows.

4. Aluminum alloy door and window componentsThe connection of aluminum alloy door and window components should be firm, and corrosion-resistant filling materials need to be used to seal and waterproof the connecting parts. Pay attention to the purchase of aluminum alloy doors and windows.

Fifth, look at the material in the material material can be referred to in 6 aspects: 1. Thickness: aluminum alloy sliding doors have 70 series and 90 series, and 70 series can be used for aluminum alloy sliding doors inside the residence.

The number of series represents the number of millimeters of the thickness of the door frame construction size. There are four types of aluminum alloy sliding windows: 55 series, 60 series, 70 series and 90 series. The selection of the series should be based on the size of the window opening and the local wind pressure value.

Aluminum alloy sliding windows used as enclosed balconies should not be less than 70 series. 2. Strength: The tensile strength should reach 157 Newtons per square meter millimeter, and the yield strength should reach 108 Newtons per square millimeter.

When purchasing aluminum alloy doors and windows, you can use your hands to bend the profile moderately, and you should be able to restore the shape after letting go. 3. Chromaticity: The color of the same aluminum alloy profile should be consistent, if the color difference is obvious, it is not suitable to buy.

4. Flatness: check the surface of the aluminum alloy profile, there should be no depression or bulge. 5. Gloss:

Aluminum alloy doors and windows avoid buying profiles with open bubbles (white spots) and ash slag (black spots) on the surface, as well as obvious defects such as cracks, burrs, and peeling. 6. Oxidation degree: the thickness of the oxide film should reach 10 microns.

When purchasing aluminum alloy doors and windows, you can scratch the surface of the profile to see if the oxide film on the surface can be wiped off.

It mainly depends on the material, thickness, smoothness, and brand. A good zhi aluminum alloy incision is bright and glossy. The inner incision of the poor aluminum alloy is dull and shiny, and even rust spots can be seen on the reverse side.

Thickness ordinary is generally not up to standard, for example it may just be. Good material has a smooth surface and bright colors. The poor color is obscure, and it will definitely fade over time.

First of all, don't look at the brand, simply look at the material of the aluminum alloy, see whether it is made of primary aluminum (smelted from raw ore), or **aluminum (**garbage remelted and regenerated), the primary aluminum incision is bright and glossy, **aluminum or doped, the incision is dull, and the color is not pure.

Then look at the thickness, take the measuring tool to measure whether the actual thickness is as written, and then, look at the toughness strength, you can bend the profile moderately by hand, and let go to see if it can be restored to its original state;

Also, check the surface of the aluminum alloy profile, there should be no concave or bulging;

Finally, there are the other factors of the brand.