Cold Rolled Steel with Best Price of China

Cold Rolled Steel with Best Price of China System 1

Cold Rolled Steel with Best Price of China

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 50 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

Cold Rolled Steel with Best Price 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: Having a greater amount than 2% carbon in steel causes steel to suddenly become brittle. Why is this?: Carbon fiber has better tensile capability then steel meaning its better while pulled aside. Plus you could mould the fiber to make autos-or homes-out of carbon fiber.

Q: How are steel coils used in the manufacturing of metal containers?: Steel coils are used in the manufacturing of metal containers by being unrolled and shaped into the desired form using specialized machinery. These coils provide the necessary strength and durability to the containers, ensuring they can withstand the rigors of transportation and storage.

Q: How are steel coils used in the production of metal containers?: Steel coils are widely used in the production of metal containers due to their versatility and strength. The process of manufacturing metal containers typically involves several steps, and steel coils play a crucial role in each of these stages. Firstly, steel coils are used as the primary raw material in the production of metal containers. The coils are made of high-quality steel that is rolled into a continuous sheet, ensuring consistent thickness and durability. This sheet is then cut into specific widths and lengths according to the size requirements of the containers. Once the steel coils are cut into the desired dimensions, they are formed into the shape of the container using various techniques. One common method is called roll forming, where the steel coil is passed through a series of roll dies that progressively shape it into the desired container shape. This can be done to create containers of various sizes and designs, such as cans, drums, or even large industrial containers. After the initial forming process, the steel coils are further processed to enhance their strength and durability. This can involve heat treatment, where the coils are exposed to high temperatures to increase their hardness and resistance to wear and tear. Other processes like annealing and quenching may also be utilized to improve the steel's properties. Once the containers are formed and processed, they undergo additional fabrication steps such as welding or sealing to ensure their structural integrity. Steel coils are often used in these processes as well, as they provide a strong and reliable material to create sturdy seams and joints. Finally, the metal containers are finished by applying various coatings or treatments to protect them from rust, corrosion, or other environmental factors. Steel coils can be coated with materials such as paint, epoxy, or zinc to enhance their resistance to these elements, ensuring the longevity of the containers. In summary, steel coils are essential components in the production of metal containers. From being the primary raw material to being used in forming, processing, and finishing, steel coils provide the strength, durability, and versatility necessary for the manufacturing of reliable metal containers for various industries.

Q: Yes, I understand it can weaken steel greatly. But can it MELT steel? (key word: melt): Jet fuel is kerosene in 6 grades and highly filtered. can it melt or weaken steel? No, it preserves it.

Q: What are the different types of steel alloys used in coils?: There are various types of steel alloys used in coils, including carbon steel, stainless steel, galvanized steel, and electrical steel.

Q: Why is steel used for building purpose and not any other metal?: Steel is used for building purpose because of its steadfast quality. The steel has an intense resistance which renders it completely immune to dangers of corrosion, climatic variations, weather fluctuations and other environmental hazards, thereby making it the most suitable metal for exterior surface of the building. Internal structure of steel also helps the building to have strength at the core which enables it to stand erect for a longer time.

Q: what is the chemical process that makes steel harder when it is heated and cooled rapidly?what does the heating of it do to the atoms?what does the cooling of it do to the atoms?what makes tempered steel so strong compared to untempered steel?: You can't temper all steels. Generally the material must be a high-carbon or tool steel. Different alloys temper differently, and tempering is usually done to get a specific set of characteristics, so you must know what you are working with and use the right methods and temperature. If you do it wrong, the material may be hard but too brittle for the purpose or have other issues. It can be simple, such as heating to a dull red, carbonizing the surface (use an acetylene rich flame until it blackens the surface) and oil quenching. Do that to a piece of tool steel (like a screwdriver) and it will case (surface) harden it to the point you can't scratch it with a file. Tempering changes the way the molecular structure in the metal is linked and oriented.

Q: How are steel coils measured?: Steel coils are typically measured in terms of their width, thickness, and weight. The width is determined by measuring the distance across the coil's widest point, while the thickness is measured by gauging the thickness of the steel sheet. The weight of the coil is measured by weighing it using scales or load cells.

Q: Can steel coils be coated with polymer?: Yes, steel coils can be coated with polymer. The polymer coating provides protection against corrosion, improves durability, and enhances the appearance of the steel coils.

Q: What is the process of uncoiling a steel coil?: The process of uncoiling a steel coil involves using specialized equipment, such as a decoiler or uncoiler machine, that is designed to carefully unwind the tightly wound coil. The coil is typically mounted onto the machine's mandrel, which holds it securely in place. As the machine rotates, the coil starts to unwind, with the outer layers gradually releasing and straightening out. This process continues until the entire coil is uncoiled, resulting in a flat and straight steel sheet or strip ready for further processing or use in various applications.

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