Hot-Dip Aluzinc Steel Building Roof Walls in Low Price

Hot-Dip Aluzinc Steel Building Roof Walls in Low Price System 1

Hot-Dip Aluzinc Steel Building Roof Walls in Low Price

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Loading Port:: China main port

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 Hot-dip Aluzinc Steel：

• Excellent corrosion resistance

• High temperature oxidation resistance

• High hot reflectance

• Good manufacturability

•Beautiful appearance

•Surface coating

•Cost-effective

3.Hot-dip Aluzinc Steel Images

Hot-Dip Aluzinc Steel Building Roof Walls in Low Price

4.Hot-dip Aluzinc Steel Specification

AVAILABLE SPECIFICATION

	HOT-DIP ALUZINC STEEL COILS
THICKNESS	0.16mm-3.5mm
WIDTH	1250mm MAX
COATING MASS	30g/ m²-185 g/ m²
SPANGLE	Regular Spangle, Minimized Spangle, Zero Spangle
SURFACE TREATMENT	Chromated / non-chromated, Oiled / non-oiled, Anti Finger Print
COIL INNER DIAMETER	508mm or 610mm

HOT-DIP ALUZINC STEEL COILS

COMMERCIAL QUALITY

ASTM A792M-06a

EN10327-2004

JIS G 3321:2010

STRUCTURE STEEL

SS GRADE 230

SS GRADE 255

SS GRADE 275

SS GRADE 340

SS GRADE 550

S220GD+AZ

S250GD+AZ

S280GD+AZ

S320GD+AZ

S350GD+AZ

S550GD+AZ

SGLC400

SGLC440

SGLC490

SGLC570

5.FAQ of Hot-dip Aluzinc Steel

We have organized several common questions for our clients，may help you sincerely：

1.What advantages does your company have？

Cement : Annual capacity of 400 million tons, No. 1 in the world

Fiberglass: Annual capacity of 1 million tons fiberglass, No. 1 in the world.

Composite Materials — Carbon Fiber: Annual capacity of 10,000 tons PAN precursor and 4,000 tons carbon fiber, No. 1 in China

Composite Materials — Rotor Blade: Annual production capacity of 15,000 pieces, No.1 in China, Top3 worldwide

Glass: CNBM owns about 20 modern float glass product`ion lines, With annual capacity of 10 million square meters glass.

‍‍‍‍‍

Light Weight Building Materials: Annual capacity of 1.65 billion square meters of gypsum board, No. 1 in the world.

Commercial concrete: Annual capacity of 0.35 billion cubic meters, No. 1 in the world.

Refractory Material: Annual capacity of 40,000 tons casting refractory, No.1 in the world.

2.What advantages do your products have？

Firstly, our base material is of high quality, Their performance is in smooth and flat surface，no edge wave ，good flexibility.

Secondly, high quality zinc ingoats, 97.5% zinc,1.5% silicon,1% others, the same zinc coating measured by metal coating thickness or by zinc weight

Thirdly, high precision: Tolerance strictly according to ASTM or JISG standard even more rigid.

We have full stes of testing equipment(for t best, cupule,chromatism,salt spray resistance, etc) and professional engineers.

Q: I want to know if it is possible to make regular steel stainless.From what I understand stainless consist of chromium about 10 percent I think.Any way I'm wondering if properties can be added in a process or can this only be possible during actual manufacturing of the steel.And I'm not talking about chrome like stainless steel that's not to shiny.: Worth very little as far as I'm concerned. It has a very poor co efficient of heat, is hard to lubricate to keep the food from sticking and will develop a hot spot easily. My preference is a good quality cast iron, it is heavy but conducts heat well and spreads it evenly. Stainless with copper bottoms is marginal for boiling water but it does clean easily. There are several alloys on the market that are usable as cook ware. Aluminum is worse than stainless. Of the pure metals, copper is the best conductor of heat, cast iron is my choice, spun steel does work. Hope this helps. Never wash cast iron cookware with soap and water.

Q: What are the different coil leveling machine configurations used for steel coils?: There are several different coil leveling machine configurations used for steel coils, depending on the specific requirements of the application. Some common configurations include single-leveler machines, which use a set of leveling rollers to reduce the coil's thickness variations; double-leveler machines, which employ two sets of leveling rollers for enhanced precision; and stretch leveling machines, which utilize a combination of roller leveling and tension to remove coil shape defects. These configurations can be further customized with additional features such as coil feeders, crop shears, or edge trimmers, depending on the desired end product and production requirements.

Q: What are the different types of steel coil surface defects?: There are several different types of steel coil surface defects that can occur during the manufacturing or handling process. Some of the common types include: 1. Rust: Rust is a common surface defect that occurs when the steel coil is exposed to moisture or oxygen. It appears as a reddish-brown discoloration on the surface of the coil. 2. Scratches: Scratches are superficial marks that can occur during handling or transportation of the steel coil. They can vary in depth and severity, ranging from light surface scratches to deep gouges. 3. Stains: Stains are another type of surface defect that can occur due to exposure to chemicals or other substances. They can appear as discolored patches on the surface of the coil, and may be difficult to remove. 4. Roll marks: Roll marks are impressions or indentations that can occur during the rolling process. They are caused by uneven pressure or misalignment of the rolls, and can appear as lines or patterns on the surface of the coil. 5. Edge wave: Edge wave is a defect that occurs when the edges of the coil are not perfectly flat. It can cause the edges to appear wavy or uneven, and may affect the overall appearance and performance of the coil. 6. Oil spots: Oil spots are surface defects that occur when oil or lubricants used in the manufacturing process are not properly removed. They can appear as dark spots or patches on the surface of the coil, and may affect the adhesion of coatings or paints. 7. Pitting: Pitting is a defect that appears as small, shallow depressions or pits on the surface of the coil. It can be caused by factors such as corrosion, uneven cooling, or impurities in the steel. 8. Holes: Holes are more severe surface defects that can occur due to a variety of reasons, such as corrosion, mechanical damage, or manufacturing errors. They can range in size and can significantly affect the structural integrity of the coil. It is important to address these surface defects promptly to ensure the quality and performance of the steel coil. Regular inspections, proper handling, and appropriate surface treatments can help minimize the occurrence of these defects.

Q: How are steel coils welded together?: Different methods can be employed to weld steel coils together, depending on the specific requirements and the type of steel being used. Electric resistance welding (ERW) is a common method where an electric current is utilized to generate heat in the coils, melting their edges. Pressure is then applied to join them together. ERW is a cost-effective and speedy technique for welding steel coils. Thinner steel coils are often welded using high-frequency induction welding (HFIW). This involves the use of an induction coil to produce an alternating magnetic field, inducing an electric current in the coils. The resistance of the coils to this current generates heat, causing the edges to melt and form a weld. For thicker and heavier steel coils, submerged arc welding (SAW) is commonly employed. This technique utilizes a granular flux and a continuous electrode that is fed into the weld area. The flux melts, creating a protective shield for the weld pool, while the electrode melts to form the weld. SAW is a robust and efficient method for welding steel coils. In addition to these methods, laser welding and gas metal arc welding (GMAW) can also be utilized for welding steel coils. Laser welding offers high precision and speed, while GMAW, also known as MIG welding, utilizes an electric arc between a consumable wire electrode and the steel coils to create a weld. Irrespective of the welding method employed, successful welding of steel coils hinges on proper edge preparation, maintenance of appropriate heat and pressure levels, and the use of correct welding techniques.

Q: What are the different coil packaging machine configurations used for steel coils?: There are several different coil packaging machine configurations used for steel coils, including horizontal coil packaging machines, vertical coil packaging machines, and orbital coil packaging machines. Horizontal coil packaging machines are typically used for smaller steel coils and provide a horizontal wrapping process. Vertical coil packaging machines are designed for larger steel coils and perform a vertical wrapping process. Orbital coil packaging machines use a rotating ring to wrap steel coils in a circular motion, providing maximum stability and protection. Each configuration offers specific advantages and is chosen based on the size and shape of the steel coils being packaged.

Q: How are steel coils inspected for defects?: To ensure the quality of steel coils meets required standards, various methods are used to inspect them for defects. Visual inspection is a common method, where trained inspectors examine the coil's surface for visible defects like cracks, scratches, or dents. This can be done through direct observation or with the help of magnifying tools. Another method is magnetic particle inspection, which detects surface and near-surface defects like cracks or voids. Here, a magnetic field is applied to the coil, and magnetic powder is spread on the surface. If any defects are present, the powder will be drawn to them, making them visible to the inspector. Ultrasonic testing is also commonly employed to inspect steel coils for defects. It involves transmitting high-frequency sound waves into the coil and analyzing the reflected waves. Any deviations in the sound waves can indicate the presence of defects like cracks or voids within the coil. Eddy current testing is another method used to detect defects in steel coils. It works by using electromagnetic induction to generate eddy currents within the coil. Any changes in these currents caused by defects in the material are detected and analyzed by the inspector. Finally, in some cases, destructive testing is performed on steel coils. This involves taking a sample from the coil and subjecting it to tests such as tension or bend testing. These tests evaluate the mechanical properties of the steel and indirectly indicate the presence of defects. Overall, a combination of visual inspection, magnetic particle inspection, ultrasonic testing, eddy current testing, and potentially destructive testing is used to inspect steel coils for defects. These methods ensure that any defects are identified and addressed, guaranteeing the delivery of high-quality steel coils to customers.

Q: Help please.What atoms are there in steel?Like water is equals to 1 Oxygen atom + 2 Hydrogen atoms.Thnx 4 d help.: Steel is an alloy consisting mostly of iron, with a carbon content between 0.2 and 1.7 or 2.04% by weight (C:1000–10,8.67Fe), depending on grade. Steel is Fe(iron) and Carbon alloy. These are the atoms in certain ratio that make up steel. Its not a molecule but alloy.

Q: What website can I use to find a good picture that shows the atomic structure of a carbon steel?: Carbon steel is a polycrystalline substance containing several compounds. Most of it is iron, but there are crystals of austenite and martensite present, plus other iron carbides. Each of these has a different atomic structure. The properties of the steel depend not so much on the atomic structures of the compounds, but more on the size and abundance of the crystals. The function of these crystals is to impede the movements of dislocations through the iron.

Q: What are the different types of steel coil finishing processes?: Enhancing the appearance and properties of steel coils involves employing various steel coil finishing processes. Among the commonly used processes are: 1. Hot-dip galvanizing: Immersing the steel coil in molten zinc forms a protective layer on its surface, enhancing corrosion resistance and providing a visually pleasing finish. 2. Cold rolling: Passing the steel coil through rollers at room temperature reduces thickness and improves surface finish. This process can yield finishes ranging from matte to highly polished. 3. Electro-galvanizing: A thin layer of zinc is electrolytically deposited onto the steel coil's surface. This method is suitable for applications requiring a thinner zinc coating and a more uniform finish. 4. Pickling and oiling: Treating the steel coil with an acid solution removes scale and impurities, resulting in a clean and smooth surface. Coating the coil with oil prevents rust during storage and transportation. 5. Powder coating: Dry powder is applied to the steel coil and cured under heat to form a durable and attractive finish. This method allows for a wide range of colors and finishes. 6. Paint coating: Similar to powder coating, liquid paint is applied to the steel coil's surface. This process offers decorative finishes and protection against corrosion and environmental factors. These examples represent only a few of the available steel coil finishing processes. The choice of method depends on specific application requirements, including desired appearance, corrosion resistance, and durability.

Q: Hi, I need to know why stainless steel is rust proof please tell me its for my science project. :): Why doesn't stainless steel rust? Nancy Avery, New London, Conn. Metallurgical engineer Michael L. Free of the University of Utah offers this explanation: Stainless steel remains stainless, or does not rust, because of the interaction between its alloying elements and the environment. Stainless steel contains iron, chromium, manganese, silicon, carbon and, in many cases, significant amounts of nickel and molybdenum. These elements react with oxygen from water and air to form a very thin, stable film that consists of such corrosion products as metal oxides and hydroxides.

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