Cold Rolled Steel Coil with Best Price and Quality

Cold Rolled Steel Coil with Best Price and Quality System 1

Cold Rolled Steel Coil with Best Price and Quality

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Loading Port:: Tianjin

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 Coil with Best Price and Quality

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: Can you reload spent casings if they are steel?: Let me break it down for you. 1) There are two kinds of priming in current use these days -- you cannot tell from the outside which primer it is...only by looking inside the casing. If the casing has a single center primer hole, it is Boxer primed. If the casing has multiple primer holes, none of which is center, it is Berdan primed. Berdan and Boxer are the names of men who designed the priming systems.

Q: What are the environmental benefits of using steel coils?: There are several environmental benefits associated with using steel coils. Firstly, steel is a highly recyclable material. Steel coils can be easily recycled and repurposed into new steel products, reducing the need for mining and extraction of raw materials. Recycling steel also requires less energy compared to producing it from scratch, resulting in lower greenhouse gas emissions and a smaller carbon footprint. Additionally, steel is known for its durability and longevity. When used in construction or manufacturing applications, steel coils can last for decades without losing their structural integrity. This reduces the need for frequent replacements, which in turn reduces the consumption of resources and energy required for production. Furthermore, steel is highly resistant to corrosion and weathering, making it a suitable choice for outdoor applications. This resistance to decay means that steel coils can withstand harsh environmental conditions and maintain their functionality for extended periods. This reduces waste generation and the associated environmental impacts of replacing damaged or deteriorated materials. Lastly, steel is a versatile material that can be used in a wide range of industries and applications. Its versatility allows for efficient use of resources, as steel coils can be easily adapted and customized to meet specific project requirements. This versatility also enables the use of steel in sustainable building designs, such as energy-efficient structures or green buildings that incorporate renewable energy systems. In conclusion, the environmental benefits of using steel coils include their recyclability, durability, resistance to corrosion, and versatility. By choosing steel coils for various applications, we can contribute to resource conservation, reduced carbon emissions, and a more sustainable future.

Q: What are the different surface treatments applied to steel coils?: Some common surface treatments applied to steel coils include galvanizing, which involves coating the steel with a layer of zinc for corrosion resistance; painting or powder coating, which provides both protection and aesthetic appeal; and passivation, which chemically treats the steel to improve its corrosion resistance and appearance. Additionally, steel coils can also undergo processes like pickling, oiling, or chromating to remove impurities, enhance surface quality, or improve adhesion for subsequent treatments.

Q: explain what happen if carbon steel is exposed to an oxygen rich atmosphere at elevated temperature inside a furnace.: Blowing oxygen or air rich in oxygen through molten carbon steel is a way of lowering the carbon content. The properties of carbon steel depend very much on the carbon content . too much and it is very brittle. It is all governed by a complex phase diagram. If the steel isn't actually melted, then only insignificant effects at the surface will occur.

Q: How do steel coil manufacturers handle product recalls?: Steel coil manufacturers handle product recalls by following a systematic process. Firstly, they identify the specific batches or lots of steel coils that need to be recalled based on quality or safety concerns. Then, they promptly notify their distributors, customers, and regulatory authorities about the recall, providing all relevant information. The manufacturers work closely with these stakeholders to ensure that the affected coils are returned or replaced. Additionally, they investigate and address the root cause of the issue to prevent similar recalls in the future, implementing necessary quality control measures and process improvements.

Q: How are steel coils used in the production of construction equipment?: Steel coils are used in the production of construction equipment as they provide a reliable and cost-effective material for manufacturing various components. These coils are often processed and shaped into specific parts, such as frames, chassis, and heavy-duty structures, which make up the foundation and framework of construction equipment. The high strength and durability of steel coils ensure that the equipment can withstand heavy loads, extreme conditions, and repetitive use, making them essential in the construction industry.

Q: What are the different methods of forming steel coils?: Steel coils can be formed using several methods, depending on their specific requirements and applications. These methods comprise hot rolling, cold rolling, and continuous casting. The most commonly used method for forming steel coils is hot rolling. This involves heating the steel billet or ingot to high temperatures and passing it between a series of rollers to reduce its thickness and shape it into a coil. Typically, this process is carried out above the recrystallization temperature of the steel, which allows for better shaping and improved mechanical properties. On the other hand, cold rolling is performed at or near room temperature. It entails passing the steel through a series of rollers to reduce its thickness and shape it into a coil. Cold rolling is often utilized to produce steel coils with precise dimensions and excellent surface finish. Additionally, it can enhance the strength and hardness of the steel. Another method for forming steel coils is continuous casting. This involves pouring molten steel into a continuous casting machine, where it solidifies into a strand. The strand is then continuously fed into a series of rollers, which shape it into a coil. Continuous casting offers several advantages, including improved efficiency, reduced energy consumption, and better control over the steel's composition and quality. In addition to these primary methods, there are various secondary processes involved in forming steel coils. These processes encompass pickling, annealing, and coating. Pickling is used to remove any rust or scale from the surface of the steel, ensuring a clean and smooth finish. Annealing involves heating the steel to a specific temperature and then slowly cooling it, which improves its ductility and reduces internal stresses. Coating is often applied to steel coils to provide corrosion resistance or enhance its aesthetic appeal. To summarize, steel coils can be formed using different methods such as hot rolling, cold rolling, and continuous casting. Each method offers distinct advantages and is chosen based on the specific requirements of the steel product. Additionally, secondary processes like pickling, annealing, and coating are employed to further enhance the quality and performance of the steel coils.

Q: What is the role of steel coils in the production of fencing materials?: Steel coils play a crucial role in the production of fencing materials as they are used to create the wire mesh that forms the main structure of the fence. The coils are unraveled and fed into a machine which cuts and shapes the steel into the desired size and form. This wire mesh is then further processed and treated to enhance its strength and durability before being incorporated into the final fencing products.

Q: What are the main factors that affect the strength of steel coils?: The main factors that affect the strength of steel coils are the composition of the steel, the manufacturing process, and the heat treatment applied.

Q: How are steel coils used in the manufacturing of transmission shafts?: Steel coils are used in the manufacturing of transmission shafts as they provide the raw material required for shaping and forming the shaft. The steel coils are typically cut into specific lengths and then undergo various processes such as heat treatment, machining, and forging to shape them into transmission shafts, which are crucial components in the transmission system of vehicles and machinery.

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