• Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability System 1
  • Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability System 2
  • Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability System 3
Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability

Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability

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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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Chinese Best Cold Rolled Steel Coil JIS G 3302 --Excellent Process Capability

 

Brief Introduction

Cold Rolled Steel is steel thathas been worked below its recrystallization temperature by passing it between apair of rollers. Recrystallization temperature is the temperature at whichgrains in the lattice structure of the metal have been rearranged, leaving it freeof strain and deformations. Cold Rolled Steel is pre-treated before being coldrolled with a process known as pickling, which uses strong acids to removescale and other impurities. The Cold Rolled Steel is then passed throughrollers to reduce its thickness. Most cold rolling takes place in multiplepasses and as the size of the Cold Rolled Steel is further reduced, itsstrength and hardness both increase, but its ductility decreases. After coldrolling, heating the metal up in a process known as annealing can restore someof its ductility. The final Cold Rolled Steel may be manufactured in the formof sheets, strips, bars, or other forms.

 

Application

It’s widely used in outdoor andinterior decoration, furnishing manufacturing, home appliance, automobile etc.

 

Main Specification

COLD  ROLLED STEEL

THICKNESS

0.3-0.5MM

WIDTH

600-1250MM

SHEET  LENGTH

0-6000MM

COIL ID

508MM OR  610MM

SURFACE  TREATMENT

MATT  FINISH/BRIGHT FINISH, OILED/DRY

ANNEALING  METHODS

BRIGHT  ANNEAL/BLACK ANNEAL

COIL  WEIGHT

1-25MT

 

Advantage

1. High Quality SurfaceFinish

2. High Dimensional Precision

3. Excellent mechanicalproperty

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. 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:What are the different types of steel processing equipment for coils?
There are several types of steel processing equipment for coils, including slitting lines, cut-to-length lines, coil coating lines, and pickling lines. These machines are used to process and shape steel coils into various forms such as sheets, strips, or plates, depending on the specific requirements of the application.
Q:How are steel coils inspected for surface defects?
Steel coils are inspected for surface defects using various techniques such as visual inspection, automated systems, and magnetic particle inspection. Visual inspection involves trained personnel examining the coils for any visible defects or irregularities. Automated systems utilize cameras and sensors to detect defects and anomalies on the coil surfaces. Magnetic particle inspection, on the other hand, involves magnetizing the coil and applying magnetic particles to reveal any surface defects through the formation of visible indications. These methods ensure that steel coils meet quality standards before further processing or shipment.
Q:What is the typical lead time for ordering steel coils?
The typical lead time for ordering steel coils can vary depending on factors such as supplier availability, production capacity, and shipping logistics. However, it is common for lead times to range from a few weeks to a few months. It is important to communicate with the supplier directly to get an accurate estimate for the specific order.
Q:What is the maximum temperature that steel coils can withstand?
The maximum temperature that steel coils can withstand typically depends on the grade of steel being used. However, in general, steel coils can withstand temperatures up to around 1,200 to 1,300 degrees Celsius (2,192 to 2,372 degrees Fahrenheit) before they start to lose their structural integrity.
Q:How are steel coils processed into finished products?
Steel coils are processed into finished products through a series of steps that typically include uncoiling, leveling, cutting, and shaping. After uncoiling, the steel coils are passed through a leveling machine to remove any unevenness. Then, they are cut into specific sizes and shapes using different cutting techniques such as shearing or slitting. Finally, the cut steel pieces are shaped through various processes like bending, welding, and machining to produce the desired finished products.
Q:What are the factors affecting the price of steel coils?
The factors affecting the price of steel coils include the cost of raw materials, such as iron ore and coal, as well as energy prices and transportation costs. Other factors include market demand and supply dynamics, global economic conditions, currency exchange rates, government regulations, and tariffs. Additionally, technological advancements, production capacity, and competition within the steel industry can also influence the price of steel coils.
Q:How do steel coils contribute to the HVACR industry?
Steel coils are an essential component in the HVACR industry as they are used in the manufacturing of air conditioning and refrigeration systems. These coils, often made of copper or aluminum, are responsible for transferring heat and facilitating the cooling process. They provide efficient heat exchange, allowing HVACR systems to work effectively and maintain desired temperatures in residential, commercial, and industrial settings.
Q:I am doing a experiment on mild steel soaked in sodium chlorideanyone can enlighten me about the effect of the sodium chloride in engineering term ?The mild steel specimen which I soaked in the sodium chloride has orange rust on it
The mild steel contains a lot of Iron. The NaCl solution quickly attacks the iron content and forms rust. Over time, the solution may also cause what is called 'Chloride Cracking' of the steel. Pitting corrosion of stainless steel due to chlorides would certainly produce a rust-colored product. Passivation can be used to maintain a good corrosion resistant surface of stainless steel process vessel. There are many commercial products for this purpose. In the pharmaceutical industry, this process is often called derouging, that is to remove the buildup of iron oxides on the stainless steel process surfaces
Q:If i get a samurai sword made of carbon steel, what is the hardest thing i can hit before it breaks? Or will it not break?
Carbon steel is an alloy that is made up of the mixture of carbon and iron. In addition, several other elements with low maximum percentages are also included, such as manganese, with 1.65% maximum, silicon,with 0.60% maximum, and copper, with 0.60% maximum. Carbon Steel Pipe Fittings are utilized in a wide variety of applications across multiple industries. They are typically used in large shipyards, fabrication companies, chemical plants, oil refineries, machinery manufacturers, textile, and fluid transportation companies among others. They are highly cost-efficient and are much preferred over other fittings.
Q:Hi, I would like to know if steel is an important material in desalination plants. If it is, could you specify what type of steel is used (i.e. flat steel products, long steel products, etc). Thanks.
If stainless steels were used they would have to be high grade, high Chromium-Nickel alloyed stainless steels. The best in the range would be the Stainless Steel 316 series with superior corrosion resistance and strength. The downside to this is the expense. Carbon steel may be used but only if reinforced with a more corrosive resistant element

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