The Best Cold Rolled Steel Coil JIS G 3302

The Best Cold Rolled Steel Coil JIS G 3302 System 1

The Best 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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The 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 Best 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

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 are steel coils uncoiled?: Steel coils are uncoiled using a mechanical process called decoiling, where the coil is placed on a mandrel and then unwound using a motor-driven system. The coil is pulled through a set of straightening rolls to ensure it is properly aligned and then fed into the production line for further processing or fabrication.

Q: How are steel coils inspected for color consistency using colorimetry?: Colorimetry is a method used to inspect steel coils for color consistency. This involves quantifying and measuring colors using specialized instruments like spectrophotometers or colorimeters. These instruments measure the hue, saturation, and brightness of the steel coil's color. A colorimeter is typically used to inspect steel coils for color consistency. This device emits light onto the surface of the coil and measures the amount of light reflected back. The reflected light is then analyzed and compared to a known standard color to identify any deviations. To measure color, the colorimeter breaks down the reflected light into different wavelengths and quantifies the intensity of each wavelength. This data is then converted into numerical values that represent the color of the steel coil. These numerical values can be compared to a predefined color standard to determine if the coil's color falls within an acceptable range. To ensure accurate and consistent color measurement, colorimetry relies on standardized color spaces like CIE L*a*b* or CIE RGB. These color spaces define specific ranges of colors. By using these standardized color spaces, colorimeters can provide objective and reliable measurements of color consistency. Color consistency is particularly important for industries like automotive or appliance manufacturing, where the appearance of the final product is crucial. By inspecting the color of steel coils using colorimetry, manufacturers can ensure that the final products have a consistent and visually appealing appearance. In conclusion, colorimetry is an effective method for inspecting steel coils for color consistency. By using specialized instruments and standardized color spaces, manufacturers can accurately measure and compare the color of steel coils to predefined standards, ensuring that the final products meet the desired color specifications.

Q: What are the common coil slitting methods?: The common coil slitting methods include rotary shear slitting, loop slitting, and oscillating slitting.

Q: hello, just wondering if there is such a thing as a stainless steel coating for my aluminum muffler prior to installation. Yes, i suppose you can say that im cutting corners, but my current finances wont allow me to pay full price for a stainless steel one, thnx: No, it's not possible. Quite apart from the chemistry which would prevent it occurring, the aluminium has a far greater rate of thermal expansion than stainless steel, so any coating wouldn't last.

Q: How are steel coils inspected for hardness using hardness testers?: To assess the strength and durability of steel coils, hardness testers are employed to examine their hardness. Hardness testers are specialized devices used to gauge a material's resistance to indentation or penetration. For steel coils, Rockwell or Brinell testers are commonly utilized. Both methods entail exerting a precise force onto the surface of the coil and measuring the depth of indentation or size of the impression made. In the case of Rockwell testing, a steel ball or diamond cone is pressed onto the coil's surface with a predetermined force. The depth of penetration is then measured and compared to a standardized scale in order to determine the hardness value. Different scales are employed based on the size and type of indenter in use. On the other hand, Brinell testing involves using a spherical indenter made of tungsten carbide or hardened steel. This indenter is pressed onto the coil's surface with a known force, and the resulting indentation is measured and compared to a standardized table to determine the hardness value. Both methods provide a quantitative measure of the steel coil's hardness, which serves as an indicator of its ability to resist deformation, wear, and cracking. The hardness test results are subsequently utilized to ensure that the steel meets specific quality standards or customer requirements. It is important to note that the inspection process may involve sampling, where representative sections of the steel coil are tested, or it may involve testing the entire coil, depending on the specific inspection requirements. Additionally, accurate and reliable results necessitate proper calibration and maintenance of the hardness testers.

Q: So carbon is gas that brakes down to hydrogen and helium before going in...And steel can go a little farther towards sun before evaporating.. 200 degrees closer at leastso steel is full of a heavier gas bomb in my hypothesis and needs to be broken up outside stars(broken down)Is steel capable of going into sun with an element thats wrong wayLike iron has no air to boil outAnd steel goes just as far with carbon in it..Other words can u answer me with..Carbon is already IN the sun and is capable of braking down Carbon INSIDE the star/sunOnly way I see steel boiling is inside and it releases carbon gas at once..carbon bomb: Carbon NEVER breaksdown into hydrogen and helium. Steel is an alloy of iron that contains carbon. Send either into the sun and they go from being a solid to a liquid to a gas to a plasma as the temperature increases on its approach but neither breaksdown into something else. Carbon as a solid or a plasma is still carbon and the same is true for iron. There are small amounts of most elements in the sun but it is mostly hydrogen.

Q: What are the different methods of slitting edge trimming for steel coils?: There are several different methods of slitting edge trimming for steel coils, each with its own advantages and applications. 1. Rotary Shear Slitting: This method involves using rotary knives to cut through the steel coil. The knives are mounted on a rotating shaft and create a shearing action as they pass through the coil. Rotary shear slitting is a versatile method that can handle a wide range of coil thicknesses and materials. It is commonly used for high-volume production and provides a clean and precise cut. 2. Crush Cut Slitting: In this method, the steel coil is pressed against a hardened anvil by a rotating knife. The knife cuts through the coil by crushing it against the anvil. Crush cut slitting is suitable for thinner gauge materials and is often used for materials that are sensitive to shearing forces. It provides a clean cut but may have limitations in terms of coil thickness and width. 3. Razor Slitting: Razor slitting involves using a razor blade to cut through the steel coil. The blade is mounted on a rotating shaft and creates a slicing action as it passes through the coil. Razor slitting is commonly used for thin and delicate materials that require a precise and burr-free edge. It provides a clean cut but may have limitations in terms of coil thickness and width. 4. Shear Slitting: This method involves using a pair of opposing blades to shear through the steel coil. The blades move past each other to create a scissor-like cutting action. Shear slitting is commonly used for heavier gauge materials and provides a clean and precise cut. It is suitable for high-speed production and can handle a wide range of coil thicknesses and materials. 5. Laser Slitting: Laser slitting utilizes a high-powered laser beam to cut through the steel coil. The laser beam is guided by computer-controlled optics to create a precise and clean cut. Laser slitting is suitable for a wide range of coil thicknesses and materials, including high-strength steels. It provides a high level of accuracy and can handle complex cutting patterns. Each of these methods has its own advantages and considerations, depending on the specific requirements of the steel coil slitting operation. Factors such as coil thickness, material type, desired edge quality, and production volume will influence the choice of slitting method.

Q: How are steel coils protected against UV radiation?: Steel coils are protected against UV radiation through a process known as coil coating. Coil coating involves applying a protective layer of paint or coating to the surface of the steel coil. This coating acts as a barrier between the steel and UV radiation, preventing direct exposure of the metal to the harmful effects of the sun's ultraviolet rays. The protective coating used for steel coils is specially formulated to provide excellent resistance against UV radiation. It typically contains pigments and additives that are designed to absorb or reflect UV light, reducing the amount of radiation that reaches the steel surface. Furthermore, the coating is applied in multiple layers to ensure maximum protection. The first layer, known as the primer, enhances adhesion to the steel surface and provides additional corrosion resistance. The subsequent layers, such as the base coat and topcoat, offer improved durability and UV resistance. In addition to the coating itself, the steel coils can be further protected against UV radiation by storing them in shaded areas or using covers to shield them from direct sunlight when stored outdoors. This additional precaution helps minimize the exposure of the coated steel coils to UV radiation, thereby prolonging their lifespan and maintaining their appearance. Overall, the combination of a high-quality protective coating, proper storage, and handling practices ensures that steel coils are effectively shielded against the damaging effects of UV radiation, allowing them to maintain their structural integrity and aesthetic appeal over an extended period of time.

Q: How do steel coils compare to other materials?: Steel coils have several advantages over other materials. Firstly, steel is incredibly strong and durable, making it ideal for heavy-duty applications. Additionally, steel coils have excellent heat and corrosion resistance, making them suitable for a wide range of environments. Steel also offers better conductivity and magnetic properties compared to other materials. Overall, steel coils are highly versatile and provide superior performance in various industries.