The Cheap Cold Rolled Steel Coil JIS G 3302

The Cheap Cold Rolled Steel Coil JIS G 3302 System 1

The Cheap Cold Rolled Steel Coil JIS G 3302

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Chines Best Cold Rolled Steel Coil JIS G 3302

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

The Cheap Cold Rolled Steel Coil JIS G 3302

4.Cold Rolled Steel Specification

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

Grade: Q195~Q345

Thickness: 0.16mm~2.0mm

Width: 1250mm MAX

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

1.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.

2. 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:bullets are normally made out of lead...are there bullets that are completely steel?? (not plated): They will both knock it over, but it depends on how the bullets hit the block. If the steel bullet hits the block at any kind of an angle, it will knock it over because it will enter the block cross grain. If it hits it straight on, it will not have as much resistance as it goes with the grain of the wood. The rubber bullet will have more resistance because it does not pierce the block. The force from the rubber bullet would be the same no matter what angle it comes from.

Q:Can steel coils be coated with epoxy?: Yes, steel coils can be coated with epoxy. Epoxy coatings provide protection against corrosion and enhance the durability and lifespan of the steel coils.

Q:What are the challenges in coil recoiling for high-strength steel?: There are several challenges associated with coil recoiling for high-strength steel. Firstly, high-strength steel is known for its increased hardness and strength, which makes it more difficult to coil compared to regular steel. The higher tensile strength of high-strength steel puts more stress on the recoiling equipment, leading to potential damage or failure of the machinery. Secondly, high-strength steel tends to have lower ductility, meaning it is less able to withstand deformation without fracturing. Recoiling high-strength steel coils requires careful handling and control to prevent any excessive bending or stretching that could cause the material to break or crack. Another challenge is the shape memory effect of high-strength steel. This phenomenon causes the material to return to its original shape after being deformed. While this property can be advantageous in some applications, it complicates the recoiling process as the steel coil may resist being reshaped into a new coil form. Furthermore, high-strength steel often has a more complex microstructure compared to regular steel, with different phases and grain boundaries. This complexity can make the recoiling process more challenging as it may affect the material's mechanical properties and response to deformation. Lastly, the surface finish of high-strength steel coils is critical for many applications. Recoiling can introduce surface defects, such as scratches or marks, which may affect the functionality or appearance of the final product. Therefore, maintaining a high-quality surface finish during the recoiling process is a significant challenge. In summary, the challenges in coil recoiling for high-strength steel include the increased stress on recoiling equipment, lower ductility, shape memory effect, complex microstructure, and the need for a high-quality surface finish. Overcoming these challenges requires specialized equipment, precise control, and careful handling to ensure the integrity and quality of the recoiled high-strength steel coils.

Q:Can steel coils be cut?: Yes, steel coils can be cut.

Q:What are the different types of coil slitting machines?: There are several types of coil slitting machines, including rotary shear slitters, loop slitters, and traveling head slitters.

Q:How are steel coils cleaned?: Steel coils are typically cleaned using a combination of chemical and mechanical processes. The coils are first treated with a degreasing agent to remove any oil or grease present on the surface. Then, high-pressure water jets or brushes are used to scrub away any remaining dirt or contaminants. The coils may also undergo a rinsing process to ensure all cleaning agents are removed. Additionally, some manufacturers may use acid cleaning or pickling techniques to remove scale or rust from the surface of the coils.

Q:I work in a steel foundry 10-12 hours a day where we melt and pour stainless steel tubes. The pour temperature for some of them is very close to the boiling point of stainless steel (about 3800 degrees) because it has to be VERY liquid for the application we use it. Anyway, it does boil a little and we breath in the vapours which I can assure you ARE indeed vapourized stainless steel (it collects and cools on everything and makes a nice shiny coating). Ok, so to the question, does breathing vapourized stainless steel all day pose a health risk such as cancer? Anyone know? I'm just curious.: I would imagine it's not good. I doubt cancer but I suppose it may be possible. Shouldn't you guys have respirator gear on? Where's OSHA when you need'em? ;)

Q:What are the different methods of blanking steel coils?: There are several methods used for blanking steel coils, which are: 1. Shearing: This method involves cutting the steel coil into the desired size and shape using a shear or a set of shears. Shearing is a common method used for blanking steel coils as it is a fast and cost-effective process. It is suitable for cutting thin to medium-thickness steel coils. 2. Laser cutting: Laser cutting is a precise and efficient method that uses a high-powered laser beam to cut through the steel coil. It is suitable for cutting complex shapes and thick steel coils. Laser cutting provides clean and accurate cuts, making it a preferred method for high-quality blanking. 3. Waterjet cutting: Waterjet cutting uses a high-pressure stream of water mixed with an abrasive material to cut through the steel coil. This method is versatile and can cut through various materials, including steel, without generating heat. Waterjet cutting is suitable for cutting thick steel coils and is often used for intricate shapes and designs. 4. Stamping: Stamping is a method that involves pressing a die into the steel coil to cut out the desired shape. This process is commonly used for high-volume production as it can rapidly cut multiple pieces at once. Stamping is suitable for cutting simple shapes and is often combined with other processes like shearing or laser cutting for more complex shapes. 5. Plasma cutting: Plasma cutting uses 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. Plasma cutting is known for its speed and versatility, making it a popular method for blanking steel coils. These methods of blanking steel coils provide different benefits depending on the requirements of the project, such as speed, precision, complexity of shapes, and material thickness. The choice of method depends on factors like cost, production volume, desired quality, and turnaround time.

Q:How are steel coils used in the manufacturing of construction formwork?: Steel coils are used in the manufacturing of construction formwork to provide structural support and reinforcement. These coils are typically processed and formed into various shapes and sizes, which are then used as a framework or mold for pouring concrete. The strength and durability of steel coils make them ideal for withstanding the weight and pressure of the poured concrete, ensuring the stability and integrity of the formwork structure.

Q:How are steel coils handled during transportation to prevent damage?: Steel coils are typically handled with extreme care during transportation to prevent damage. They are secured tightly using steel strapping or bands to prevent any movement or shifting during transit. Additionally, protective packaging materials, such as wooden or steel crates, are often used to provide extra cushioning and stability. Specialized equipment, such as forklifts or cranes, are used to lift and load the coils onto trucks or containers, ensuring safe and secure transportation.

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