Pre-Painted Galvanized/Aluzinc Steel Roof High Quality

Pre-Painted Galvanized/Aluzinc Steel Roof High Quality System 1

Pre-Painted Galvanized/Aluzinc Steel Roof High Quality

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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 High Quality

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:In construction, what types of stress require steel to be placed in footings?: Bending moment , shear stress and punching stresses

Q:How is the thickness of a steel coil measured?: The thickness of a steel coil is typically measured using a device called a thickness gauge or micrometer. This tool consists of a calibrated mechanical or digital system that measures the distance between two opposing surfaces of the steel coil. By placing the gauge on the coil and applying pressure, the thickness can be accurately determined.

Q:I want to purchase steel for construction purpose, What aspects should I keep in mind while deciding that which company should I contact for this?: It has been a few years since I was in the business but I have found that some steel from some countries can be quite different from the standards steel made in the US. For instance, one in 5 of my Indian made cast iron fittings would break when tightening it down. This never happened with US fittings. Even though I could take it back and get a refund, the increased price of US made materials was worth the savings in time and trouble. On a job in Columbia, the 3 inch angle iron came to us in 4 different sizes, all around three inches but not quite. This is not to say that all foreign metal is bad. One RD project I headed up we found a foreign bearing steel to be far superior to anything we could get in the states.

Q:What is the role of steel coils in the manufacturing of bridges?: Steel coils play a crucial role in the manufacturing of bridges as they are used as the primary material for constructing the structural components of the bridge, such as beams, columns, and girders. These coils are manufactured by rolling steel into flat strips, which are then wound into large coils. The high strength and durability of steel make it an ideal choice for bridge construction, as it can withstand heavy loads, extreme weather conditions, and provide long-lasting support. The coils are processed further to fabricate the required bridge components, ensuring the structural integrity and stability of the bridge.

Q:I need a machine which can produce steel pipes, but I don't know where to look...If you want me to state dimensions etc. just say...Thanks :): Gary's okorder /

Q:What are the different types of steel alloys used in coil manufacturing?: There are several different types of steel alloys used in coil manufacturing, including carbon steel, stainless steel, and high-strength low-alloy (HSLA) steel. Carbon steel is the most commonly used alloy, known for its high strength and durability. Stainless steel is used for its corrosion resistance and aesthetic appeal. HSLA steel offers a combination of strength, formability, and weldability, making it suitable for various applications in coil manufacturing.

Q:What are the common applications of galvanized steel coils?: Galvanized steel coils are commonly used in various applications such as construction, automotive manufacturing, electrical appliances, and infrastructure projects. They are used for manufacturing roofing sheets, wall panels, pipes, gutters, and various structural components due to their corrosion resistance and durability. Additionally, galvanized steel coils are widely used in the production of automotive parts, such as body panels, frames, and chassis, as they provide excellent strength and protection against rust.

Q:What are the dimensions of steel coils used in the metal furniture industry?: Steel coils used in the metal furniture industry come in varying dimensions, depending on the specific requirements of each manufacturer. Commonly used dimensions include coil widths that range from 24 to 60 inches (61 to 152 cm) and coil diameters that range from 36 to 72 inches (91 to 183 cm). The thickness of the steel coils can also vary, typically falling between 0.020 and 0.250 inches (0.05 to 0.64 cm). These dimensions enable manufacturers to efficiently produce a variety of metal furniture, such as chairs, tables, and cabinets, by utilizing the steel coils as raw materials in their production processes.

Q:describe the benifits and disadvantages of the using steel as a material for fasteners: Relatively cheap, strong, and non-toxic. For Carbon Steel alloys rust and corrosion are problems. For stainless alloys, cost becomes the problem [and corrosion is not eliminated]

Q:What are the different methods of annealing steel coils?: There are several different methods of annealing steel coils, each with its own advantages and applications. The main methods include full annealing, process annealing, and spheroidize annealing. Full annealing is the most common method and involves heating the steel coils to a temperature above its critical point, typically between 800 and 900 degrees Celsius (1472 and 1652 degrees Fahrenheit), and then slowly cooling it down in a controlled manner. This process helps to refine the grain structure of the steel, making it softer and more ductile. Full annealing is often used to relieve internal stresses, improve machinability, and enhance the overall mechanical properties of the steel. Process annealing, also known as subcritical annealing or stress relief annealing, is a method used to reduce the hardness and brittleness of steel coils. It involves heating the coils to a temperature below its critical point, typically between 550 and 650 degrees Celsius (1022 and 1202 degrees Fahrenheit), and then slowly cooling them down. This process helps to relieve internal stresses that may have developed during previous manufacturing processes, such as cold working or welding. Process annealing is commonly used to improve the formability and toughness of steel coils. Spheroidize annealing is a specific type of annealing that is used to soften high carbon and alloy steels. It involves heating the steel coils to a temperature slightly below its critical point, typically between 650 and 700 degrees Celsius (1202 and 1292 degrees Fahrenheit), and then holding it at that temperature for a prolonged period of time. This allows the carbides within the steel to transform into rounded or spheroidal shapes, which increases the steel's machinability and ductility. Spheroidize annealing is often employed in the production of cutting tools, bearings, and other applications where improved machinability is desired. In addition to these main methods, there are also variations and specialized techniques that can be used for specific purposes, such as recrystallization annealing, intercritical annealing, and solution annealing. Each method has its own set of parameters and temperature ranges, and the choice of annealing method depends on factors such as the type of steel, desired mechanical properties, and the intended application of the steel coils.

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