Cold Rolled Steel Coil with Good Price and Good Quality of China

Cold Rolled Steel Coil with Good Price and Good Quality of China System 1

Cold Rolled Steel Coil with Good Price and Good Quality of China

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 100 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 Good Price and Good Quality 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: Consider a steel rod of diameter 4.5 mm and length 3.3 m. If a compressive force of 4900 N is applied to each end, what is the change in the length of the rod?: You need to calculate the stress on the rod and compare this with the mechanical properties of the steel. It would help if you were given more info. You will need to know something about the steel such as the yeild stress and E, the modulus of elasticity. The value of E is about the same for a wide range of steels. So long as the applied stress is below the yield stress, the strain is all elastic and is calculated from E. The real answer is that you can not answer this question since you do not know what the temperature is. Given the applied load, the change in length will be much different at room temperature than at 1500C.

Q: What are the different methods of cutting steel coils?: There are several different methods of cutting steel coils, including shearing, slitting, and laser cutting.

Q: How do steel coils withstand extreme temperatures?: The unique composition and manufacturing process of steel coils enable them to endure extreme temperatures. Steel, the primary material in coils, consists of iron and carbon, forming an alloy with exceptional thermal properties. With a high melting point of up to 2,500 degrees Fahrenheit (1,370 degrees Celsius), steel remains structurally stable even in intense heat. Additionally, the annealing process is commonly applied to steel coils. This involves heating the steel to a specific temperature and gradually cooling it down. By relieving internal stresses, annealing enhances the steel's resistance to thermal expansion and contraction. It also reduces internal defects, thereby improving the overall strength and durability of the steel, enabling it to better withstand extreme temperatures. Furthermore, protective coatings are often applied to steel coils to provide additional resistance against temperature fluctuations. These coatings, such as galvanized or zinc coatings, act as a barrier between the steel and the external environment. They effectively prevent oxidation, corrosion, and other forms of degradation that can occur when exposed to extreme heat or cold. In conclusion, the ability of steel coils to withstand extreme temperatures can be attributed to the inherent properties of steel, the annealing process that relieves internal stresses, and the protective coatings that offer an extra layer of resistance. These factors work in harmony to ensure that steel coils maintain their structural stability and performance, even in the most challenging temperature conditions.

Q: What are the common surface treatments for steel coils?: The common surface treatments for steel coils include galvanization, which involves coating the steel with a layer of zinc to protect against corrosion, as well as painting or powder coating to provide additional protection and enhance aesthetics.

Q: How are steel coils used in the manufacturing of food packaging?: Steel coils are commonly used in the manufacturing of food packaging as they provide strength and durability to the packaging materials. These coils are typically shaped into cans, containers, or lids, ensuring the preservation and protection of food products during storage and transportation. Steel coils help maintain the integrity of the packaging, preventing breakage or damage that could compromise the safety and quality of the food.

Q: Not sure if stainless steel is actually sealable but what's the best way to clean a brushed stainless steel appliance to not get so many finger prints...etc. I have stainless steel wipes that I used on another appliance and they don't work so great.: Make a paste from Lemon Juice and salt, scrub gently, and then rinse with water. To clean a stainless steel surface, use mild detergent,or baking soda or vinegar diluted in water. Clean, then dry with a soft cloth. Most stainless steel has a grain; if you are using any kind of an abrasive on a stainless surface, always make sure you clean in the direction of the grain. The don'ts are: Don't use bleach. Don't use steel wool unless it is an absolute last resort. Some of the fine particles can lodge in the surface of the stainless and will eventually rust, giving the appearance that the stainless itself is rusting. Don't let the following food items (ketchup, mustard, mayonnaise, lemon juice, vinegar, salt, salad dressings) remain on your stainless surfaces for any length of time. If they sit on the stainless for more than a few minutes, they may bleach it out. You can actually rub out this white area with a very fine Scotchbrite pad. Make sure you are going along the grain lines and not at right angles to them.

Q: So I was thinking about doing corset waist training and I wanted to know where I can get a real steel boned corset?: Hi, okorder / There are 3 types of corsets: Fashion corsets, Authentic corsets and Waist training corsets. The fashion corsets are designed for light enclasping of body. They are made with plastics bones usually. The authentic corsets can reduce your waist size about 4 - 5 and the waist training corsets about 6. They both are made with steel spirals and flat bones. The waist training corsets are recommended for experienced wearers only. Look on info pages of the seller. The corsets reinforced with plastic bones are cheap with low durability.

Q: Can steel coils be coated with zinc-nickel alloy?: Yes, steel coils can be coated with a zinc-nickel alloy. Zinc-nickel alloy coating provides excellent corrosion resistance and is commonly used in various industries including automotive, construction, and manufacturing.

Q: What are the common defects in steel coil finishes?: There are several common defects that can occur in steel coil finishes. These defects can impact the appearance and functionality of the steel and may need to be addressed before the coil can be used or sold. 1. Coil breaks: Coil breaks are a common defect where the steel strip breaks during winding or unwinding. This defect can result in a discontinuity in the surface of the coil and can lead to further damage if not addressed. 2. Edge wave: Edge wave refers to a distortion or waviness at the edges of the steel coil. This defect can occur during the rolling or cooling process and can affect the flatness and uniformity of the coil. 3. Corrosion: Corrosion can occur on the surface of steel coils if they are not properly protected or stored. This can lead to rust and degradation of the steel, impacting its strength and appearance. 4. Streaks and stains: Streaks and stains can occur on the surface of steel coils due to improper cleaning or contamination during the production process. These defects can affect the aesthetic appearance of the steel and may need to be addressed before the coil can be used. 5. Scratches and dents: Scratches and dents can occur on the surface of steel coils during handling, transportation, or storage. These defects can impact the flatness and surface quality of the steel and may require repairs or adjustments. 6. Coating defects: If the steel coil has a coating or paint applied to it, several defects can occur. These include blistering, peeling, or uneven application of the coating, which can affect the durability and appearance of the steel. It is important to note that these defects can vary in severity and may require different methods of repair or mitigation. Regular inspections and quality control measures can help identify and address these defects before they become more significant issues.

Q: I'm ordering a Pair of tongs(a tool used to dig quahogs in bays that scrapes the bottom constantly) and what type of metal would be the best to fabricate it, steel or stainless steel?: S/S. We use clam rakes around here, I think they have a S/S basket with steel teeth to dig into the sand. By the way, I believe S/S is just steel with nickel added, but I could be wrong.

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