Pre-Painted Galvanized/Aluzinc Steel Roof

Pre-Painted Galvanized/Aluzinc Steel Roof System 1

Pre-Painted Galvanized/Aluzinc Steel Roof

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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2.Main Features of the Pre-Painted Galvanized/Aluzinc Steel Roof：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

3.Pre-Painted Galvanized/Aluzinc Steel Roof Images

Pre-Painted Galvanized/Aluzinc Steel Roof

4.Pre-Painted Galvanized/Aluzinc Steel Roof Specification

Standard: AISI, ASTM, BS, DIN, GB, JIS

Grade: SGCC SGCH SGCD DX51D

Thickness: 0.13-3.0mm

Model Number: AISI, ASTM, BS, DIN, GB, JIS

Type: Steel Plate

Technique: Cold Rolled

Surface Treatment: Galvanized

Application: Container Plate

Special Use: High-strength Steel Plate

Width: 30-1500mm

Length: any length

color: RAL color

5.FAQ of Pre-Painted Galvanized/Aluzinc Steel Roof

What’s the brand of the paint?

We use the best brand of all of the word—AKZO.

What’s the wet and heat resistance of the roof?

More than 1000 hours.

Q: Hello people.Me and the life mate have been working on a fantasy book together and we are currently in the process of outlining the cultures. The culture of our antagonists' is a sort of woodland tribal/celtic[ish] deal and they are very nature oriented. Being a detail freak and wanting to have some real world credibility in the story, I am trying to decide how they produce steel. I want steel to be an important part of the culture, but a thing that is in limited supply. I also do not want there to be a large amount of resources committeded to mining or processing iron ore for steel. So does anyone have any real world ideas explaining how the people can produce steel without using underground mining operations, large processing facilities, and without raping the land?All help and ideas are appreciated: Well, steel is just modified iron, so you're going to have to start with acquiring the iron first. For that, you're most likely going to be using some sort of underground mining somewhere - either they do that themselves, or they purchase the iron elsewhere. Assuming you're not dealing with meteoric iron (which is possible, but pretty uncommon), or iron sands (not likely in a woodland area), then unless you're dealing with a rocky outcropping with iron veins out in the open, I'm pretty sure there needs to be somebody doing some digging. That said, it doesn't need to be a full raping of the land scenario. A couple of minor mines, some small-scale smelting operations, and somebody knowing the secret of making steel, and it could give you small amounts of steel without making an ecological disaster.

Q: What is the weight range of steel coils?: The weight range of steel coils varies depending on the specific type and dimensions, but they generally range from a few hundred kilograms to several tonnes.

Q: I expect that I will be questioned about my knowledge in methoding for steel castings, in a interview. I dont know about it. Can someone explain me in simple language and give me some links, like how I can explain methoding for steel castings.....key points...help please...so that i will pass the interview as if I have experience in methoding....thanks: It is very difficult to define Methoding of Steel castings by one sentence. Actually it encompasses the total casting process. Normally it would mean a) Pattern design i.e. what type of pattern it would be- wooden, metallic, split or full, loose or fitted on a match plate or any other, how will be the parting line. b) Design of the gating system. c) Design of risering i.e. numbers, size and location of risers. d) Design of molding process i.e. sand system to be used, mold box size. But to do justice to the above mentioned activities, you need to consider other parameters of the casting process such as chemical composition, solidification characteristics, pouring temperature, pouring time, knock out time etc. As I said Methoding of Steel castings means designing of the total casting process from inception to final product.

Q: How are steel coils inspected for coil set using deflection measurement?: Steel coils are inspected for coil set using deflection measurement by subjecting the coil to a controlled force and measuring the amount of deflection or bending that occurs. This is typically done by placing the coil on a support system and applying a known load or weight onto the center of the coil. The deflection or displacement of the coil is then measured using sensors or devices that can accurately detect any changes in the coil's shape. This measurement helps to identify any potential coil set, which is a condition where the coil retains a curved or bent shape even when unrolled.

Q: What are the advantages of using pre-painted steel coils?: There are several advantages to using pre-painted steel coils. Firstly, pre-painted steel coils have a protective coating applied during the manufacturing process, which makes them resistant to corrosion and increases their lifespan. Additionally, the pre-painted coating provides a smooth and aesthetically appealing finish, eliminating the need for further painting or finishing. This saves time and money on additional coatings or treatments. Moreover, pre-painted steel coils are available in a wide range of colors and finishes, allowing for greater design flexibility and customization. Lastly, pre-painted steel coils are easy to install, lightweight, and have excellent durability, making them an ideal choice for various applications in construction, automotive, and other industries.

Q: How do steel coils contribute to the manufacturing of HVAC systems?: Steel coils play a crucial role in the manufacturing of HVAC systems. These coils are typically made from high-quality steel, which offers exceptional strength, durability, and heat resistance. One of the main uses of steel coils in HVAC systems is for heat exchangers. Heat exchangers are vital components that facilitate the transfer of heat between two different mediums, usually air and a refrigerant. In an HVAC system, steel coils are used in both the evaporator and condenser coils. The evaporator coil absorbs heat from the air inside a building, while the condenser coil releases heat to the outside environment. These coils are designed with numerous tubes that are coiled and connected with fins. The steel construction of these coils ensures that they can withstand high-pressure environments and resist corrosion, ensuring long-term reliability and efficiency of the HVAC system. Steel coils also contribute to the overall structural integrity of HVAC systems. They are commonly used in the fabrication of ductwork, which is responsible for distributing conditioned air throughout a building. The strength and rigidity of steel coils allow ductwork to maintain its shape and structural integrity under various conditions, including high air pressure and temperature fluctuations. Furthermore, steel coils are often used in the fabrication of HVAC system cabinets and enclosures. These cabinets house various components of the system, such as compressors, fans, and control panels. The robustness of steel coils ensures that the cabinets can withstand external forces, protect the internal components, and provide a secure housing for the entire HVAC system. In summary, steel coils are essential components in the manufacturing of HVAC systems. Their strength, durability, and heat resistance make them ideal for heat exchangers, ductwork, cabinets, and enclosures. By utilizing steel coils, HVAC manufacturers can produce systems that efficiently and effectively regulate temperature, improve indoor air quality, and provide comfort in various residential, commercial, and industrial settings.

Q: can u use stainless steel to make a coin? why or why not? answers based on facts plz.: Stainless steel has been used by some countries to make coins, but it's not an ideal metal. When a coin is struck, a die comes down and strikes the blank with many tons of force (the blank is also sitting on top of another die--one has the image on the obverse (front) of the coin, while the other die has the image of the reverse of the coin). When the die strikes the blank, the force causes the metal in the blank to flow into the recesses of the die. The problem with stainless steel is that it doesn't want to flow into the die. To get an image, either the relief (how high the raised portion of the design will be) has to be very low, and the coin has to have a simple design, or they have to greatly increase the pressure of the strike. This slows the coining press down, and greatly shortens the life of the dies.

Q: What are the common maintenance practices for steel coils?: Common maintenance practices for steel coils include regular cleaning to remove dirt, debris, and moisture, applying protective coatings to prevent corrosion, proper storage to avoid damage and contamination, and periodic inspections for any signs of damage or wear. Additionally, proper handling and transportation practices should be followed to prevent bending or crushing of the coils.

Q: How are steel coils inspected for surface defects using non-destructive testing methods?: To ensure the quality and integrity of steel coils, non-destructive testing (NDT) methods are employed to inspect them for surface defects. Several common NDT methods are utilized in this process. Visual inspection is one of the most widely used methods, where trained inspectors visually examine the steel coils for visible defects like scratches, cracks, pits, or corrosion. Although this method is simple and cost-effective, it can only detect surface-level defects. Magnetic particle testing (MT) is another commonly used NDT method. It utilizes magnetism to identify surface and near-surface defects in ferromagnetic materials like steel. By applying a magnetic field and iron particles to the steel coil, any defects such as cracks or discontinuities become visible as the iron particles concentrate around them. Liquid penetrant testing (PT) is a different NDT method used for inspecting steel coils. It involves applying a liquid penetrant to the coil's surface, which is drawn into surface defects through capillary action. After removing excess penetrant and applying a developer, the defects become visible as the developer draws out the penetrant. Ultrasonic testing (UT) is widely used to detect both surface and subsurface defects in steel coils. It transmits high-frequency sound waves into the coil and analyzes the reflected waves to identify abnormalities. This method can detect defects like cracks, inclusions, and voids that may not be visible to the naked eye. Additionally, eddy current testing (ECT) is another NDT method for inspecting steel coils. It utilizes electromagnetic induction to detect surface and near-surface defects. By placing a coil carrying an alternating current near the surface of the coil being inspected, any changes in the coil's electrical conductivity caused by surface defects are detected and analyzed to identify and evaluate their severity. In summary, various non-destructive testing methods such as visual inspection, magnetic particle testing, liquid penetrant testing, ultrasonic testing, and eddy current testing are utilized to inspect steel coils for surface defects. These methods ensure the quality and integrity of the steel coils before they are used in various applications.

Q: If rebar steel is welded together as opposed to 'tied' does it decrease the strength of the steel?: If done correctly it should increase the tensile strength at least.

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