China factory galvanized steel coil hot dipped

China factory galvanized steel coil hot dipped

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 45000 m.t./month

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Main Features of the Hot-Dip Galvanized Steel Sheet：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent anticorrosive property

• High strength

• Good formability

• Good visual effect

Technology test results:

Processability	Yield strength	Tensile strength	Elongation %	180°cold-bending
Common PV	-	270-500	-	d=0,intact,no zinc removal
Mechanical interlocking JY	-	270-500	-	d=0,intact,no zinc removal
Structure JG	>=240	>=370	>=18	d=0,intact,no zinc removal
Deep drawn SC	-	270-380	>=30	d=0,intact,no zinc removal
EDDQ SC	-	270-380	>=30	d=0,intact,no zinc removal

Pictures for stainless steel coil :

China factory galvanized steel coil hot dipped

FAQ

Q: How do you guarantee the quality of your product?

A: Every process will be checked by responsible QC which insures every product's quality.

Q: How much is your delivery time?

A: Normally within 30 days of receipt of LC original or prepayment, but mostly according to the specific requirements or the quantity

Q: I need sample, could you support?

A: We can supply you with the sample for free, but the delivery charges will be covered by our customers. For avoiding the misunderstanding, it is appreciated if you can provide the International Express Account for Freight Collect. Also you can have a visit to us, welcome to CNBM!

Q:In pounds per square inch what is the tensile strength of strong steel?: The term tensile strength refers to the amount of tensile (stretching) stress a material can withstand before breaking or failing. The ultimate tensile strength of a material is calculated by dividing the area of the material tested (the cross section) by the stress placed on the material, generally expressed in terms of pounds or tons per square inch of material. Tensile strength is an important measure of a material's ability to perform in an application, and the measurement is widely used when describing the properties of metals and alloys.

Q:What is the difference between hot rolled and cold rolled steel coils?: The main difference between hot rolled and cold rolled steel coils lies in the manufacturing process. Hot rolled steel coils are produced by heating the steel to high temperatures and then rolling it while it is still hot. This process results in a rougher surface and less precise dimensions, but it makes the steel more malleable and easier to shape. On the other hand, cold rolled steel coils are manufactured by cooling the hot rolled coils and passing them through a series of rollers at room temperature. This process produces a smoother surface and tighter tolerances, making it suitable for applications that require precise dimensions and a higher quality finish.

Q:How do steel coils contribute to seismic resistance in structures?: Steel coils contribute to seismic resistance in structures by providing strength and flexibility. When placed strategically within the structure, steel coils can absorb and dissipate the energy generated during an earthquake, reducing the impact on the overall structure. This makes the structure more resistant to seismic forces, preventing or minimizing damage that could occur during an earthquake.

Q:How are steel coils processed and shaped into specific products?: The production of specific steel products involves a series of steps and techniques using different machinery. Initially, steel coils are unwound and flattened using a decoiler and a leveller. This prepares the coils for further processing. Next, the flattened coils are fed into a rolling mill where they undergo cold rolling. This process involves passing the coils through rollers to reduce thickness, improve surface finish, and enhance strength and hardness. After cold rolling, additional processes like annealing or galvanizing may be applied depending on the desired properties of the final product. Annealing involves heating the coils to a specific temperature and slowly cooling them to relieve internal stresses and improve ductility. Galvanizing, on the other hand, involves coating the coils with a layer of zinc to protect against corrosion. Once these treatments are completed, the steel coils are ready to be shaped into specific products. This can be achieved through cutting, stamping, or forming. Cutting involves trimming the coils into desired sizes or lengths using shears or lasers. Stamping involves using a die and press to shape the coils into intricate designs or patterns. Forming, on the other hand, involves bending or shaping the coils with specialized machinery to create curved or contoured products. Finally, the shaped steel products are inspected for quality and undergo any necessary finishing processes like painting or coating. This ensures that the products meet required specifications and are ready for distribution or further assembly. In conclusion, the transformation of steel coils into specific products involves a combination of steps including unwinding, flattening, cold rolling, annealing or galvanizing, cutting, stamping, forming, inspection, and finishing. Each step is essential in producing high-quality steel products used across various industries.

Q:How are steel coils used in the oil and gas industry?: Steel coils are used in the oil and gas industry for various purposes such as pipelines, storage tanks, and drilling equipment. These coils are commonly used to manufacture seamless and welded pipes that are essential for transporting oil and gas from production sites to refineries and end-users. Additionally, steel coils are utilized in the construction of storage tanks that store oil and gas in large quantities. They are also an integral part of drilling equipment, including offshore platforms, where they provide structural support and withstand high-pressure environments.

Q:Are steel coils affected by temperature changes?: Yes, steel coils are affected by temperature changes. Steel is a metallic material that expands when heated and contracts when cooled. Temperature fluctuations can cause steel coils to expand or contract, which may impact their dimensions, mechanical properties, and overall performance. It is important to consider and manage temperature changes to ensure the proper functioning and durability of steel coils.

Q:gigantic navy ships made of steel float, why??: Concrete boats also float, Capt Johns link explains that. It is area + weight + volume. Displacement. Buoyancy is achieved by Displacing fN or X.

Q:How are steel coils inspected for thickness?: Steel coils are inspected for thickness using various methods to ensure their quality and compliance with industry standards. One common method is using a non-contact laser measurement system. In this process, a laser beam is directed towards the surface of the steel coil, and the time it takes for the beam to reflect back is measured. By accurately calculating the time taken, the thickness of the steel coil can be determined. Another method involves using ultrasonic technology. Ultrasonic sensors are used to emit high-frequency sound waves that penetrate the coil. These sound waves bounce back differently depending on the thickness of the steel, allowing the sensors to measure the thickness accurately. Additionally, some manufacturers may opt for an eddy current testing method. This technique involves passing an alternating current through a coil, creating a magnetic field. The thickness of the steel coil affects the impedance of the coil, which can be measured. By analyzing the changes in impedance, the thickness of the steel coil can be evaluated. Furthermore, some companies employ a mechanical method called the caliper method. This method involves using a caliper gauge to physically measure the thickness of the steel coil by applying pressure to the coil and reading the measurement on the caliper. Regardless of the method used, it is crucial for steel coils to be inspected for thickness to ensure they meet the required specifications and provide the desired performance in various applications.

Q:How are steel coils used in the production of construction components?: Steel coils are used in the production of construction components in various ways. One common use is for the manufacture of steel beams and columns, which are essential structural elements in buildings and other large structures. The steel coils are processed and shaped into the desired dimensions, then cut and welded to form the beams and columns. Steel coils are also used in the production of roofing and wall cladding materials for construction. These coils are often coated with protective layers to enhance durability and resistance to corrosion. The coils are then shaped and formed into roofing sheets, wall panels, or siding materials that provide both aesthetic appeal and functional protection to the building. Another important application of steel coils in construction is for the production of reinforcing bars, commonly known as rebar. Rebar is used to provide strength and stability to concrete structures, such as foundations, slabs, and walls. The steel coils are processed and cut into specific lengths, then shaped and twisted to form the required reinforcement bars, which are then embedded within the concrete during construction. Furthermore, steel coils can be used in the production of various other construction components, such as pipes, tubes, and profiles. These components are used for plumbing, heating, ventilation, and other structural applications. The steel coils undergo different manufacturing processes, including rolling, welding, and shaping, to achieve the desired dimensions and properties of these components. In summary, steel coils play a crucial role in the production of construction components. They are used to manufacture steel beams, columns, roofing and wall cladding materials, reinforcing bars, pipes, tubes, and profiles. These components are vital for the construction industry, as they provide strength, durability, and functionality to buildings and other structures.

Q:How are steel coils used in the manufacturing of storage cabinets?: Steel coils are used in the manufacturing of storage cabinets as they provide the raw material for forming the cabinet's metal components. Coils are unrolled, cut, and shaped into the necessary panels, shelves, and doors, which are then assembled to create the cabinets. The strength and durability of steel make it an ideal material for these cabinets, ensuring they can safely store and organize various items.

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