Cold Rolled Steel Coil - Best Quality with Low Price China

Cold Rolled Steel Coil - Best Quality with Low Price China System 1

Cold Rolled Steel Coil - Best Quality with Low Price China System 2

Cold Rolled Steel Coil - Best Quality with Low Price China

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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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Cold Rolled Steel Coil - Best Quality with Low Price China

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.

2.Main Features of the Cold Rolled Steel：

• Excellent process capability

• Smooth and flat surface

• Excellent heat resistance performance

• Good formability

• Good visual effect

3. Cold Rolled Steel Images

Cold Rolled Steel Coil - Best Quality with Low Price China

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

FAQ

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.

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: Hi,Well, I live near almost across the street from a forest, and my neighborhood is full of raccoons!!! Recently, I just purchased a bunny and have kept it at my cousin's house for the time being. He has a steel cage, and is about 6 months old. I am considering bringing him home and leaving him in the back yard with his steel cage. I am just afraid that raccoons can bite through the steel and get to him. So the question is... Is is possible for raccoons to bite through steel? Btw,Please don't answer hate comments about me being a bad rabbit owner. I simply want to know if raccoons can bite through steel. If it doesn't work out, the rabbit will stay at my cousins house until further notice. But please, I did not waste 5 points for unneeded answers. Thanksss!: Well the raccoons can't bite through steel unless it is very thin steel, like aluminum foil thickness. But they have long arms and can reach into the cage so that would be my worry. They are also very clever so I don't know if it is safe for the bunny. That would depend upon the size of the cage and how hungry the raccoons are. The raccoons might be tempted to try to steal the bunny's food so that is a concern. Check with a pet shop owner or forester or someone like that who has knowledge about raccoons in the area.

Q: What are the common methods of protecting steel coils from corrosion?: Common methods of protecting steel coils from corrosion include applying a protective coating, such as zinc or paint, using corrosion inhibitors, storing coils in a controlled environment with low humidity, and implementing proper handling and packaging techniques to prevent moisture exposure.

Q: What are the different methods of annealing steel coils?: Steel coils can be annealed using various methods, each with its own advantages and applications. Full annealing, process annealing, and spheroidize annealing are the main methods. The most common method is full annealing, wherein the steel coils are heated above their critical point (usually between 800 and 900 degrees Celsius or 1472 and 1652 degrees Fahrenheit) and then slowly cooled in a controlled manner. This process refines the grain structure of the steel, making it softer and more ductile. Full annealing is employed to relieve internal stresses, enhance machinability, and improve the overall mechanical properties of the steel. Process annealing, sometimes called subcritical annealing or stress relief annealing, is used to reduce the hardness and brittleness of steel coils. It involves heating the coils below their critical point (typically between 550 and 650 degrees Celsius or 1022 and 1202 degrees Fahrenheit) and then slowly cooling them. This method relieves internal stresses that may have developed during previous manufacturing processes like cold working or welding. Process annealing is commonly used to enhance the formability and toughness of steel coils. Spheroidize annealing is a specialized form of annealing that softens high carbon and alloy steels. It entails heating the steel coils slightly below their critical point (usually between 650 and 700 degrees Celsius or 1202 and 1292 degrees Fahrenheit) and holding them at that temperature for an extended period. This allows the carbides within the steel to transform into rounded or spheroidal shapes, thereby increasing machinability and ductility. Spheroidize annealing is frequently employed in the production of cutting tools, bearings, and other applications that require improved machinability. In addition to these main methods, there are variations and specialized techniques like recrystallization annealing, intercritical annealing, and solution annealing. Each method has specific parameters and temperature ranges. The choice of annealing method depends on factors such as the type of steel, desired mechanical properties, and intended application of the steel coils.

Q: and also what makes different hardness of stainless steel?: a little clarification. steel doesn't become stainless. There are many different types of steel, which is an alloy of iron and other element. The other elements determine things like hardness, corrosion resistance, etc. One element is chromium, which when added in the correct proportions, forms stainless steel. PS, there are many many different stainless steels, with different proportions.

Q: I am looking at website on google based on the terms structural steel fabrication and simply steel fabricationI know that there must be a difference between the two terms, but it seems that many website authors use the two terms interchangeably.Do you know the key differences between the two terms?: Structural steel is steel construction material, a profile, formed with a specific shape or cross section and certain standards of chemical composition and strength. Structural steel shape, size, composition, strength, storage, etc, is regulated in most industrialized countries. Fabrication, when used as an industrial term, applies to the building of machines, structures and other equipment, by cutting, shaping and assembling components made from raw materials. Small businesses that specialize in metal are called fab shops. Steel fabrication shops and machine shops have overlapping capabilities, but fabrication shops generally concentrate on the metal preparation, welding and assembly aspect while the machine shop is more concerned with the machining of parts.

Q: How are steel coils inspected for coil weight accuracy after processing?: Steel coils are typically inspected for coil weight accuracy after processing by using weighing scales or load cells that are capable of accurately measuring the weight of the coil. The coil is placed on the scale or load cell, and the weight is compared to the target weight specified for that particular coil.

Q: I am thinking of buying a stainless steel necklace, but I need to know if it will discolor. My brothers ring turned brown, but he forgot what kind of metal it was. Also answer if I can wear it in the shower because I wear my other necklace in it.: First check if the Stainless Steel is solid or just some base metal plated with SS. SS has many SAE steel grades(304,316,316L,etc) but in general most will not rust if you do not immerse in sea/salt water over long period. Some can tone to grey over time but IMO that will only add more aesthetic value to the necklace. Yes, you can shower wearing SS because sometimes I also do that wearing my SS dive watches.

Q: Can steel coils be bent or formed into different shapes?: Yes, steel coils can be bent or formed into different shapes through various processes such as rolling, bending, or stamping.

Q: What are the different types of steel coil finishing tools?: There are several different types of steel coil finishing tools used in the metalworking industry. These tools are designed to add various finishes to steel coils, enhancing their appearance and functionality. Some of the common types of steel coil finishing tools include: 1. Slitting Machines: These tools are used to cut large steel coils into narrower strips. Slitting machines have sharp circular blades that can efficiently slice through the coil, resulting in multiple smaller coils of desired widths. 2. Levellers: Levellers are used to flatten and straighten steel coils. They apply pressure to the coil, ensuring that it is perfectly flat and even. Levellers are particularly useful when the steel coils have undergone deformation during the manufacturing process. 3. Recoilers: Recoilers are used to rewind steel coils into a tighter and more compact shape. These tools are typically used after slitting or levelling to create coils of a specific diameter or size. 4. Edge Trimmers: Edge trimmers are used to remove any excess or uneven edges from the steel coils. They can remove burrs, rough edges, or any other imperfections, resulting in a clean and smooth finish. 5. Inspection Machines: Inspection machines are used to examine the quality of the steel coils. These tools can detect any defects, such as surface imperfections, scratches, or dents, ensuring that only high-quality coils are delivered to customers. 6. Coating Machines: Coating machines are used to apply protective coatings to steel coils. These coatings can be in the form of paint, zinc, or other materials, preventing corrosion and enhancing the durability of the coils. 7. Packaging Machines: Packaging machines are used to wrap the steel coils securely and protect them during transportation and storage. These machines can apply plastic or metal straps, shrink wrap, or other packaging materials to ensure the coils remain intact and undamaged. Overall, these different types of steel coil finishing tools play a vital role in the metalworking industry, allowing manufacturers to produce high-quality and visually appealing steel coils that meet the specific requirements of their customers.

Q: How are steel coils used in the production of appliances?: Steel coils are used in the production of appliances as a primary material for constructing the various components, such as the outer shells, frames, and internal structures. The coils are processed and shaped into specific sizes and forms to meet the requirements of different appliances. Additionally, steel coils provide strength, durability, and a sleek appearance to the finished appliances.

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