High Quality of Cold Rolled Steel Coil of China

High Quality of Cold Rolled Steel Coil of China System 1

High Quality of Cold Rolled Steel Coil of China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 m.t.

Supply Capability:: 5000 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 of 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: What are the common methods of painting steel coils?: Painting steel coils can be done using various methods, depending on specific requirements and desired outcomes. Below are some commonly used techniques: 1. The most frequently employed method for painting steel coils is coil coating. It involves applying a layer of paint to the coil's surface before it is formed into its final shape. The coil is initially cleaned and treated with chemicals to ensure proper paint adhesion. Various techniques, such as roll coating, spray coating, or dip coating, are used to apply the paint. Finally, the coil is cured in an oven to ensure the paint dries and adheres correctly. 2. Electrostatic painting is another method where an electrostatic charge is used to apply paint to the steel coil. After cleaning and pre-treatment, an electrostatic charge is applied to the paint particles. These charged particles are attracted to the grounded coil, resulting in an even and efficient paint application. This method is commonly used for high-performance coatings due to its excellent coverage and adhesion. 3. For applications requiring a durable and long-lasting finish, powder coating is a popular method. Dry powder paint is electrostatically applied to the coil's surface. The powder adheres to the coil due to the electrostatic charge, and then the coil is heated in an oven to melt and cure the powder, creating a smooth and protective coating. 4. Spray painting is commonly used for smaller steel coils or touch-up applications. A spray gun is used to apply the paint in a controlled and even manner after the coil is cleaned and pre-treated. This method allows for precise control and customization of the paint application. The choice of painting method depends on factors such as desired finish, durability requirements, cost considerations, and the specific application of the steel coil. Each method has its own advantages and limitations, so it is crucial to select the most suitable one based on the project's specific needs and constraints.

Q: How are steel coils used in the production of industrial storage tanks?: Steel coils are commonly used in the production of industrial storage tanks as they provide the necessary strength and durability. The coils are processed and formed into tank shells, which are then welded together to create the tank structure. This ensures that the tank is capable of withstanding the pressure and weight of the stored materials.

Q: What are the common surface defects found in steel coils?: Some common surface defects found in steel coils include rust, scratches, dents, pits, and mill scale.

Q: What kind of steel should be used for constructing a steel building?: In steel construction there are many standard types of steel used. Lots of different factors contribute to your steel choice. How tall is the building? Are you in an earthquake zone? Steel for the columns, or the beams? You might want to refer to the American Institute of Steel Construction for more information, they are the governing body in the US.

Q: I have a necklace that has a pendent made out of stainless steel. The pendent is connected by a cord, not chain, that I can take on and off; so, I leave it on all the time. It has gotten pretty tarnished because of that.: steel jewelry Daily care? Just need a soft cloth just fine. Or you can use toothpaste to clean the stailess steel jewelry.

Q: The difference between aluminized color steel roll and ordinary color steel roll: Aluminized color coated sheet is a new type of material produced in China in recent years due to its high end applications. It is often used as an indication of CCLI. It is made of galvanized steel sheet (55% aluminum, 43% zinc and 1.6% silicon), which is more galvanized and more corrosion resistant. It is processed by surface degreasing, phosphating and complexing treatment, and is coated with organic coating.

Q: Hello... I'd like to know where I can find proof of this answer as well please. My own searching didn't come up with anything concrete.I'd like to know how much the ambient temperature inside of a hollow steel tube would rise by if the outside of that tube was exposed to an 1100 degree flame for a period of 3 seconds.If specifics help, they are something along the lines of 3.125 O.D. tube, 0.35 wall thickness. High grade steel, can't be more specific than that sorry.Thanks for any answers!: yes it is very possible. as what our teacher in physics said that steel is a good conductor of heat..

Q: What are the common methods of slitting or shearing steel coils?: The common methods of slitting or shearing steel coils include rotary shear, guillotine shear, and laser cutting.

Q: Does aluminum or steel hold up better? We found a steel for 1/2 the price of aluminum, obviously its heavier but any other downsides? rust faster ect? also, does anybody know, in PA do you pay sales tax on trailers? and do dealers normally give you license plates to get the trailer home with? we live 3 hours away from the dealer so thats why i want all details :) would stink if i messed up!!: We have an aluminum trailer over a steel frame. We used to have a steel trailer. There are two differences I see are the weight and how quickly they deteriorate. I personally prefer the aluminum over the steel, the upkeep is easier and they don't weigh as much which equates to fuel savings. Also if you have a lighter truck an aluminum trailer makes the wear and tear a little easier. You can also look at the size of the truck you are going to tow the trailer with, and the size of the horses inside. All together you definately don't want to exceed the weight limits of the truck. Hope this helps...

Q: What are the different methods of blanking steel coils?: There are multiple techniques utilized for blanking steel coils, including: 1. Shearing: To achieve the desired size and shape, shearing involves cutting the steel coil using a shear or a set of shears. This method is commonly used as it is fast and cost-effective, particularly suitable for thin to medium-thickness steel coils. 2. Laser cutting: Employing a high-powered laser beam, laser cutting is a precise and efficient method for cutting through steel coils. It is ideal for complex shapes and thick steel coils, providing clean and accurate cuts. Consequently, it is favored for high-quality blanking. 3. Waterjet cutting: A versatile method, waterjet cutting employs a high-pressure stream of water mixed with an abrasive material to cut through steel coils. It generates no heat and can cut through various materials, including steel. It is particularly suitable for cutting thick steel coils and intricate shapes and designs. 4. Stamping: This method involves pressing a die into the steel coil to cut out the desired shape. It is commonly used for high-volume production as it can rapidly cut multiple pieces simultaneously. Stamping is suitable for cutting simple shapes and is often combined with other processes, such as shearing or laser cutting, for more complex shapes. 5. Plasma cutting: Plasma cutting utilizes a high-velocity jet of ionized gas to cut through the steel coil. It is suitable for cutting thick steel coils and can handle a wide range of materials. Known for its speed and versatility, plasma cutting is a popular method for blanking steel coils. These methods of blanking steel coils offer various benefits depending on project requirements, such as speed, precision, complexity of shapes, and material thickness. The selection of the method relies on factors like cost, production volume, desired quality, and turnaround time.

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