Chinese Best Cold Rolled Steel Coil JIS G 3302--Smooth and Flat Surface

Chinese Best Cold Rolled Steel Coil JIS G 3302--Smooth and Flat Surface System 1

Chinese Best Cold Rolled Steel Coil JIS G 3302--Smooth and Flat Surface System 2

Chinese Best Cold Rolled Steel Coil JIS G 3302--Smooth and Flat Surface

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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--Smooth and Flat Surface

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：

• Smooth and flat surface

• Workability, durability

• Excellent heat resistance performance

• High strength

• Good formability

3. Cold Rolled Steel Images

Chinese Best Cold Rolled Steel Coil JIS G 3302--Smooth and Flat Surface

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

5. FAQ of Cold Rolled Steel

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:Maybe it is obvious. But i have thought alot about it.I thought steel at a cool temperature was unbreakable. I am not one for science or physics or engineering (i am a political science major). But i don't understand why the planes that struck the world trade center on 9-11 didn't just dent the side and fall,How did the place break the steel? Was it the velocity? Is steel easily broken?I realized that i wasn't taught how the planes broke the steel, and that no one ever asked. I searched the web and i couldn't find the answer or even anyone who had asked the question before.(i don't care about conspiracy theories, i just want scientific facts): I saw a one-hour program about this on PBS a couple of years ago. The buildings were constructed with the concrete-clad steel supporting columns at the center of the buildings, with a relatively thin lattice of steel struts along the outer wall. When the planes hit, they sheered through the thin steel struts easily by sheer momentum, while, at the same time, the thin steel stripped off the wings. The bodies of the planes got as far as the supporting columns in the center of the buildings, but were stopped there. The heaviest, densest pieces, the engines, went completely through the buildings and popped out the other side. It's important to understand that even light materials can cut through metal, if the light material is going fast enough. I saw this first hand, when I was in the Navy and stationed on board ship. We had a helicopter crash on our flight deck during heavy weather. The blades were made of light, carbon-composite material, but they were going so fast that they cut through the aluminum deck. I still have photos of that damage.

Q:How are steel coils used in the production of steel locks?: Steel coils are used in the production of steel locks as they are rolled into sheets and then cut into appropriate sizes to form the body and components of the locks. The coils provide a consistent and high-quality raw material that can be easily shaped and transformed into the desired lock designs, ensuring durability and strength in the final product.

Q:What are the different methods of stretch leveling steel coils?: There are several methods of stretch leveling steel coils, including roller leveling, tension leveling, and temper rolling.

Q:Can steel coils be coated with anti-microbial materials?: Yes, steel coils can be coated with anti-microbial materials. These coatings can help inhibit the growth of bacteria, fungi, and other microorganisms, making the steel coils more resistant to contamination and reducing the risk of transmission of harmful pathogens.

Q:What are the common coil loading and unloading techniques?: Some common coil loading and unloading techniques include using cranes or forklifts to lift and place the coils onto trucks or storage racks, using coil cars or transfer cars to move the coils within a facility, and using coil handling equipment such as coil grabs or C-hooks to safely grip and manipulate the coils during the loading and unloading process.

Q:What are the different types of steel coil edge condition options?: There is a variety of steel coil edge condition options available, each offering distinct characteristics and advantages. The most common types are as follows: 1. Mill Edge: This is the basic and widely used type of steel coil edge condition. It occurs naturally during the hot rolling process and is characterized by a rough and uneven edge. Mill edge coils are typically suitable for applications where edge quality is not crucial, such as general fabrication. 2. Slit Edge: Slit edge coils are produced by cutting the edges of the steel coil using a slitting machine. This process results in a smoother and more uniform edge compared to mill edge coils. Slit edge coils are often preferred for applications that require a higher level of precision, such as in the automotive or electrical industries. 3. Trim Edge: Trim edge coils are similar to slit edge coils but undergo an additional trimming process to eliminate any defects or imperfections from the edges. This creates an even smoother and cleaner edge, making trim edge coils ideal for applications where appearance and aesthetic quality are important, such as in architectural or decorative purposes. 4. Deburred Edge: Deburred edge coils undergo a deburring process to remove any sharp or burr-like edges. This is done to ensure safety and prevent injuries during the handling or processing of the coils. Deburred edge coils are commonly used in industries where worker safety is a priority, such as in construction or manufacturing. 5. Rounded Edge: Rounded edge coils have their edges rounded off to eliminate any sharp corners or edges. This type of edge condition is often utilized in applications where the coils will come into contact with delicate materials or surfaces, as it helps prevent scratching or damage. It is important to consider the specific requirements of the application and the desired outcome when choosing a steel coil edge condition. Each type offers its own unique benefits, and factors such as precision, appearance, safety, and functionality should be taken into account when selecting the appropriate option.

Q:How are steel coils inspected for quality control?: Steel coils are inspected for quality control through a series of rigorous tests and inspections. This typically involves visual checks for any surface defects, such as scratches or dents, as well as measurements of dimensions, weight, and thickness. Additionally, non-destructive testing techniques like ultrasonic or magnetic particle testing may be conducted to detect internal flaws or inconsistencies in the steel. These comprehensive inspections ensure that only high-quality steel coils are approved for use.

Q:What are the dimensions of steel coils used in automotive part manufacturing?: The dimensions of steel coils utilized in the manufacturing of automotive parts may differ based on the particular application and manufacturer involved. Nonetheless, typical dimensions for steel coils in automotive part production lie within the range of 0.5 to 3 millimeters in thickness and 600 to 2000 millimeters in width. Additionally, the length of the coils can vary considerably, generally spanning from a few meters to several hundred meters. It is crucial to acknowledge that these dimensions are not set in stone and can be tailored to satisfy the specific demands of each automotive part being produced.

Q:Can steel coils be coated with barcodes?: Yes, steel coils can be coated with barcodes.

Q:How are steel coils used in the manufacturing of mining equipment?: Steel coils are used in the manufacturing of mining equipment as they provide the necessary strength and durability required for heavy-duty machinery and structures used in mining operations. These coils are shaped and formed into various components such as frames, buckets, tracks, and support structures, ensuring the equipment can withstand the harsh and demanding conditions of mining operations.

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