Colled Rolled Steel Coil from China of Best Price

Colled Rolled Steel Coil from China of Best Price System 1

Colled Rolled Steel Coil from China of Best Price

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 30000 m.t./month

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1.Structure of Cold Rolled Steel Description：

The raw material of cold rolled steel coil/sheet is high quality hot rolled product, and after pickling continuous rolling, degreasing, annealing,skin pass,slitting and cut to length line etc. Along with it many kinds of new technology and new process of global cold rolling production have been applied. Therefore the quality of the goods could be guaranteed. The product is widely used in outdoor and interior decoration, furnishing manufacturing, home appliance, automobile etc.

2.Cold Rolled Steel Specification

Standard:AISI,ASTM,DIN,GB,JIS,JIS G3302 ASTM 653M EN10142

Grade: Q195~Q345

Thickness: 0.16mm~1.5mm,0.16-1.5mm

Width: 1250,600-1250mm

Coil weight:3-12 MT

Coil ID:508/610mm

Chemical composition:

0.150

0.476

11.231

12.50

0.900

0.039

0.010

3.FAQ of Cold Rolled Steel

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

1.How about your company？

A world class manufacturer & supplier of castings forging in carbon steel and alloy steel，is one of the large-scale professional investment casting production bases in China,consisting of both casting foundry forging and machining factory. Annually more than 8000 tons Precision casting and forging parts are exported to markets in Europe,AmericaandJapan. OEM casting and forging service available according to customer’s requirements.

2.How to guarantee the quality of the products？

We have established the international advanced quality management system，every link from raw material to final product we have strict quality test；We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

3. How long can we receive the product after purchase?

Usually within thirty working days after receiving buyer’s advance payment or LC. We will arrange the factory manufacturing as soon as possible. The cargo readiness usually takes 15-25 days, but the shipment will depend on the vessel situation.

4.Main Features of the Cold Rolled Steel：

• Excellent process capability

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

• Good visual effect

Q:How are steel coils used in the production of heating and cooling systems?: Steel coils are used in the production of heating and cooling systems as they serve as the primary component for heat transfer. These coils are typically made from high-quality steel and are designed to efficiently transfer heat between the system's refrigerant and the surrounding air. By passing the refrigerant through these coils, the heat is either absorbed or released, depending on whether the system is providing heating or cooling. This process enables the heating and cooling system to effectively regulate the temperature of a space, providing comfort and maintaining desired conditions.

Q:How are steel coils used in the production of steel bolts?: Steel coils are used in the production of steel bolts by being uncoiled and then fed into a machine that cuts and forms the bolts. The coils provide a continuous supply of high-quality steel, ensuring consistent and precise production of bolts.

Q:What are the safety precautions for handling steel coils?: When handling steel coils, it is important to follow certain safety precautions to prevent accidents and injuries. Some of these precautions include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, impacts, and eye injuries. It is also essential to ensure proper training and knowledge of correct lifting techniques to avoid strains or back injuries. Additionally, using equipment like cranes or forklifts with appropriate capacity and stability is crucial for safe handling and storage of steel coils. Regular inspection and maintenance of equipment, as well as adhering to proper storage procedures, are also important safety measures to prevent incidents.

Q:What are the different steel coil specifications?: There are several different steel coil specifications available, including dimensions, thickness, width, and weight. These specifications vary depending on the specific application and industry requirements. Additionally, steel coils can be classified based on their surface finish, such as hot-rolled, cold-rolled, or galvanized.

Q:What are the factors affecting the formability of steel coils?: There are several factors that can affect the formability of steel coils, including the composition and microstructure of the steel, the thickness and width of the coils, the temperature at which the forming process takes place, the lubrication used during forming, and the equipment and techniques employed.

Q:What are the challenges in storing and handling steel coils?: Storing and handling steel coils present several challenges, including their sheer weight and size, which can make transportation and storage difficult. The coils need to be stored in a way that prevents damage and deformation, as steel coils are susceptible to rust, corrosion, and scratching. Additionally, ensuring proper ventilation and moisture control is crucial to prevent the growth of mold or moisture-related damage. Safety precautions must also be taken during handling and transportation to avoid accidents or injuries.

Q:what is the stucture of high carbon steel: I dont know percentages just that it is basic steel with added carbon it is used for tooling and other reasons that need a steel that can be hardened ~~

Q:What is the role of steel coils in HVAC systems?: Steel coils play a crucial role in HVAC (heating, ventilation, and air conditioning) systems as they are responsible for facilitating the transfer of heat between the air and the refrigerant. In HVAC systems, steel coils are typically used in two main components: the condenser coil and the evaporator coil. The condenser coil is located in the outdoor unit of an HVAC system and its primary function is to release the heat from the refrigerant into the surrounding air. This coil is made up of multiple steel tubes that are bent into a serpentine shape and are attached to aluminum fins. As the hot refrigerant flows through these tubes, the steel coils ensure maximum surface area contact with the surrounding air, allowing for efficient heat transfer. Through this process, the heat is dissipated into the outdoor environment, resulting in the cooling of the refrigerant. On the other hand, the evaporator coil is situated in the indoor unit of the HVAC system and its role is to absorb heat from the air inside the building. Similar to the condenser coil, the evaporator coil consists of steel tubes that are connected to aluminum fins. The refrigerant, in a cold state, flows through these tubes, and as warm air from the building passes over the coils, the heat is transferred from the air to the refrigerant. This heat absorption process cools down the air, which is then circulated back into the building, providing the desired cooling effect. Overall, steel coils in HVAC systems are essential for heat transfer between the air and the refrigerant. Their design and placement allow for efficient cooling or heating of the air, depending on the system's mode of operation. Without steel coils, HVAC systems would not be able to effectively regulate the temperature and provide the desired comfort levels in residential, commercial, and industrial buildings.

Q:days. Use your knowledge of the corrosion of steel and aluminum to predict how they would look different after a week exposed to rainy weather. Explain your prediction.: Steel rusts, aluminum doesn't so the steel can would be rusty and the aluminum can would not.

Q:What are the surface treatments for steel coils?: There are several surface treatments available for steel coils, each serving a specific purpose and offering unique benefits. Some common surface treatments for steel coils include: 1. Hot-dip galvanizing: This process involves immersing the steel coil in a bath of molten zinc, resulting in a protective layer of zinc coating on the surface. Galvanizing provides excellent corrosion resistance, making the steel coil suitable for outdoor applications in harsh environments. 2. Electro-galvanizing: This method uses an electrolytic process to deposit a thin layer of zinc onto the steel coil's surface. Electro-galvanizing provides good corrosion resistance, but the coating is generally thinner compared to hot-dip galvanizing. 3. Pre-painting or pre-coating: Steel coils can be coated with paints or other coatings before being formed into final products. This surface treatment enhances the coil's aesthetic appeal while offering protection against corrosion, weathering, and other environmental factors. 4. Pickling and oiling: This surface treatment involves removing oxides and scale from the steel coil's surface by immersing it in an acid solution. After pickling, the coil is typically coated with oil to prevent rust formation during storage and transportation. 5. Phosphating: Phosphating is a chemical conversion coating process that forms a layer of phosphate on the steel coil's surface. This treatment improves the adhesion of subsequent coatings, such as paints or primers, while also providing some corrosion resistance. 6. Organic coatings: Steel coils can be coated with various organic materials, such as epoxy, polyester, or polyurethane, to enhance their corrosion resistance and aesthetic appearance. These coatings offer a wide range of colors, textures, and finishes, making them suitable for diverse applications. It is worth noting that the choice of surface treatment for steel coils depends on the intended application, environmental conditions, and desired appearance. Manufacturers and end-users must carefully consider these factors to select the most appropriate surface treatment for their specific needs.

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