High Quality of Cold Rolled Steel Coil from China

High Quality of Cold Rolled Steel Coil from China System 1

High Quality of Cold Rolled Steel Coil from China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 10000 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.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

3.Cold Rolled Steel Images

High Quality of Cold Rolled Steel Coil from China

4.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

5.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,America and Japan. 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.

Q: How do you calculate the weight of a steel coil?: To calculate the weight of a steel coil, you need to know its dimensions and the specific gravity of the steel. The formula to calculate the weight is as follows: Weight of steel coil = Length of coil (in meters) x Width of coil (in meters) x Thickness of coil (in meters) x Specific gravity of steel First, measure the length, width, and thickness of the steel coil in meters. Ensure that all measurements are in the same unit for accurate calculations. Next, determine the specific gravity of the steel. Specific gravity is the ratio of the density of a substance compared to the density of water. For steel, the specific gravity is typically around 7.8. Multiply the length, width, and thickness of the coil together. This will give you the volume of the steel coil in cubic meters. Finally, multiply the volume of the coil by the specific gravity of steel to obtain the weight of the steel coil in kilograms (kg). Keep in mind that this calculation provides the weight of the steel coil without considering any additional factors such as the core material or any other components included in the coil.

Q: What are the common coil width tolerances?: The common coil width tolerances can vary depending on the specific industry and application, but typical tolerances range from +/- 0.005 inches to +/- 0.025 inches.

Q: How are steel coils processed for painting or coating?: Steel coils are processed for painting or coating through a series of steps. First, the coils are cleaned and treated to remove any impurities, such as oil, dirt, or rust, using chemical treatments or mechanical methods like abrasive blasting. Then, a primer or base coat is applied to enhance adhesion and provide corrosion resistance. After drying, the topcoat or finishing coat is applied using various techniques like coil coating, electrostatic spraying, or powder coating. Finally, the coated steel coils undergo curing or baking at high temperatures to ensure proper adhesion and durability of the paint or coating.

Q: I wanna strip down my bike and take off all the paint... im thinking of leaving it just the steal color... Do i need to put anythinng on the steel to coat it or can i just leave it like that... Will it rust or anything?: It will rust but there is a product called POR that comes in clear, it will stop rust almost forever. If you don't want to go to that expense then rinse it down with acid. Ask at an automotive paint store for it.

Q: What are the key factors affecting the strength of a steel coil?: The key factors affecting the strength of a steel coil are the quality of the raw material used, the manufacturing process employed, the level of heat treatment, and the presence of any impurities or defects in the steel.

Q: How are steel coils used in the production of pressure vessels?: Steel coils are used in the production of pressure vessels as they provide a strong and durable material for constructing the vessel's shell. The coils are typically formed and welded to create the cylindrical shape of the vessel, ensuring it can withstand high pressure and contain fluids or gases safely.

Q: Can steel coils be customized?: Yes, steel coils can be customized to meet specific size, shape, and material requirements of various industries. Customization can include altering the dimensions, thickness, or even the coating of the steel coils to suit specific applications.

Q: Are steel coils corrosion-resistant?: Yes, steel coils can be corrosion-resistant depending on the type of steel used and any additional protective coatings applied.

Q: How do steel coils contribute to energy efficiency in buildings?: Steel coils contribute to energy efficiency in buildings by enhancing insulation and reducing heat transfer. These coils are often used in heating, ventilation, and air conditioning (HVAC) systems to efficiently regulate temperature. The coils help transfer heat effectively, allowing for better control over indoor climate and reducing the energy required for heating or cooling. Additionally, steel coils are durable and require less maintenance, making them a cost-effective solution for long-term energy efficiency in buildings.

Q: What are the different methods of roll forming steel coils?: There are several different methods of roll forming steel coils, including hot rolling, cold rolling, and continuous casting. Hot rolling involves heating the steel above its recrystallization temperature and then passing it through a series of rollers to shape it into the desired form. Cold rolling, on the other hand, is performed at room temperature and involves passing the steel through rollers to increase its strength and improve surface finish. Continuous casting is a method where molten steel is continuously poured into a mold and then cooled to form a solidified strip or slab. These methods offer different advantages and are used in various applications based on the desired properties of the steel product.

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