Prime Cold Rolled Steel Coils with Low Price High Quality in China

Prime Cold Rolled Steel Coils with Low Price High Quality in China

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 12 m.t.

Supply Capability:: 50000 m.t./month

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Specification

Standard:

ASTM,JIS

Technique:

Cold Rolled

Shape:

Round

Surface Treatment:

Oiled,Bright

Steel Grade:

Q195,Q215,Q235

Certification:

ISO,SGS,BV,CE

Thickness:

0.18mm-1.8mm

Width:

700mm-1300mm

Length:

requirement

Outer Diameter:

according to weight

Net Weight:

10MT

Packaging:

Standard Export Packing

Cold rolled carbon steel coil

Name	Cold rolled carbon steel coil
Standard	AISI,ASTM,GB,JIS
Material	SPCC/SPCD/SPCE/ST12-15/DC01-06.
Thickness	0.11-3mm
Width	600-2000mm
Tolerance	"+/-0.02mm
Surface treatment:	unoil,dry,chromate passivated, non-chromate passivated
Coil ID	508-610MM
Coil Weight	3-8 tons
Technique	Cold rolled
Package	seaworthy package
Certification	ISO 9001-2008,SGS,CE,BV
MOQ	25 TONS (in one 20ft FCL)
Delivery	15-20 days
Monthly Output	10000 tons
Description	The cold rolling reduces the thickness of the steel and at the same time changes the mechanical properties of the steel. Cold rolled steel must be further processed, as the steel will react with water in the air and form rust. In most cases, it is covered with a thin layer of oil to prevent oxygen reacting with surface. The steel coils can be annealed (heated in a controlled atmosphere) to make the steel more formable (cold rolled annealed) or further processed on the metallic coating line, with a coating of either zinc (galvanized) or zinc-aluminium alloy applied. Cold rolled steel is available in a range of grades, each with a range of properties for differing applications.
Payment	30%T/T in advanced+70% balanced;irrevocable L/C at sight
Remarks	Insurance is all risks and accept the third party test

Name	Cold rolled carbon steel coil
Standard	AISI,ASTM,GB,JIS
Material	SPCC/SPCD/SPCE/ST12-15/DC01-06.
Thickness	0.11-3mm
Width	600-2000mm
Tolerance	"+/-0.02mm
Surface treatment:	unoil,dry,chromate passivated, non-chromate passivated
Coil ID	508-610MM
Coil Weight	3-8 tons
Technique	Cold rolled
Package	seaworthy package
Certification	ISO 9001-2008,SGS,CE,BV
MOQ	25 TONS (in one 20ft FCL)
Delivery	15-20 days
Monthly Output	10000 tons
Description	The cold rolling reduces the thickness of the steel and at the same time changes the mechanical properties of the steel. Cold rolled steel must be further processed, as the steel will react with water in the air and form rust. In most cases, it is covered with a thin layer of oil to prevent oxygen reacting with surface. The steel coils can be annealed (heated in a controlled atmosphere) to make the steel more formable (cold rolled annealed) or further processed on the metallic coating line, with a coating of either zinc (galvanized) or zinc-aluminium alloy applied. Cold rolled steel is available in a range of grades, each with a range of properties for differing applications.
Payment	30%T/T in advanced+70% balanced;irrevocable L/C at sight
Remarks	Insurance is all risks and accept the third party test

Q: I'm a big fan of stainless steel and sterling silver, but not of the humidity of the country I'm in. Therefore I sweat more. Gross, I know. I'm buying a necklace chain for my ring.So does sweat contribute to tarnishing of silver and steel? The real kind?: steel shouldn't really tarnish, it rusts and moisture increases that. Silver tarnishes when exposed to air and sulfur. Moisture increases the process a bit, but it happens anyway. Sweat is not gross, it's a necessary function of your body, otherwise you would die. A lot of sports people wear jewelry and they sweat a lot. If you wear the jewelry all the time, that will prevent the tarnish a bit. If you take it off, clean it (water and dish washing liquid), dry it and put it in a zip lock back to keep it away from air and moisture. In the end, cleaning the jewelry is quick and easy so don't worry about it.

Q: What are the dimensions of a steel coil?: The dimensions of a steel coil can vary depending on its intended use and manufacturer. However, typical dimensions include a width ranging from 600mm to 2,200mm, a diameter of 600mm to 2,000mm, and a weight ranging from a few hundred kilograms to several metric tons.

Q: How are steel coils processed and treated?: Steel coils are processed and treated through a series of steps to ensure their quality and suitability for various applications. The process begins with uncoiling the steel coil, which involves removing the outer layers of protective wrapping and unwinding the coil. Once uncoiled, the steel is inspected for any defects, such as cracks or uneven surfaces. Next, the steel coil goes through a cleaning process to remove any dirt, oil, or rust present on its surface. This is typically done using a combination of chemical cleaning agents and mechanical scrubbing. After cleaning, the coil is rinsed and dried to prevent any residual moisture from causing corrosion. Once cleaned, the steel coil can undergo various treatments depending on its intended use. One common treatment is pickling, which involves immersing the coil in an acidic solution to remove impurities and scale. This process helps to improve the surface finish and prepares the steel for further processing. After pickling, the coil may be subjected to cold rolling, a process that reduces its thickness and improves its dimensional accuracy. Cold rolling involves passing the steel through a series of rollers at room temperature, gradually reducing its thickness and increasing its strength. This process also improves the surface finish of the steel coil. In some cases, the steel coil may undergo additional heat treatment processes, such as annealing or tempering. Annealing involves heating the coil to a specific temperature and then slowly cooling it, which helps to relieve internal stresses and improve its mechanical properties. Tempering, on the other hand, involves reheating the coil to a lower temperature and then cooling it rapidly. This process enhances the strength and toughness of the steel. Once the desired processing and treatments are complete, the steel coil may be coated or painted to provide additional protection against corrosion or to enhance its aesthetic appearance. Coating processes can include hot-dip galvanizing, electroplating, or applying organic coatings such as paint or powder coatings. Finally, the processed and treated steel coils are typically cut into specific sizes or shapes based on customer requirements. This can be done using various cutting methods such as shearing, slitting, or sawing. Overall, the processing and treatment of steel coils involve a combination of cleaning, pickling, rolling, heat treatment, coating, and cutting processes. These steps are carefully carried out to ensure the quality, strength, and suitability of the steel for its intended applications.

Q: I am making a sword of 1060 carbon steel and would like to know how to heat treat it once it's ready, could anyone help please?: I've okorder for back and forth communication. I could type up some lengthy post, you'd read it and be like I don't have that piece of gear and all my time is wasted.

Q: How are steel coils different from steel sheets?: Steel coils and steel sheets are both made from the same material, which is steel. However, they differ in terms of their shape and size. Steel coils are long, continuous rolls of steel, usually wound up in a coil form, while steel sheets are flat, rectangular pieces of steel. The main difference lies in their applications - steel coils are commonly used in industries where large quantities of steel are required for manufacturing processes, such as automotive or construction, whereas steel sheets are often used for smaller-scale projects or as a raw material for further processing.

Q: So, I'm doing this project for my chemistry class and I need to explain the raw materials in which paper slips are made of. I'm not really sure if galvanized steel is. If not, can someone PLEASE tell me what raw materials are metal paper clips made of???: As a specially coated type of steel, galvanized metal enjoys a great reputation as being an ideal building product to use for any type of structure that is expected to stand for many years. Here are some basics about how galvanized steel is created, as well as how it can be used in various building projects. Galvanized metal is simply steel in some form that has received a thin coating of zinc oxide. The purpose of the zinc is to protect the steel from elements that normally would lead to oxidation, corrosion and the eventual weakening of the steel. In this sense, the zinc coating acts as what is called a sacrificial anode. In other words, the zinc will protect the steel from corrosion by acting as a barrier between the steel and the corrosive agent, at least until the zinc coating has been completely oxidized. Galvanized metal can be made into supports, girders and even into sheets of metal that can be used in all sorts of construction and building projects.

Q: How are steel coils used in the production of transportation equipment?: Steel coils are used in the production of transportation equipment as they provide the necessary strength and durability required for components such as chassis, frames, and body panels. These coils are shaped, cut, and welded to create different parts, ensuring the structural integrity and safety of vehicles such as cars, trucks, and trains.

Q: i need flint and steel. are there common household items i can get the flint and the steel from????: no common flint and steel in the house === you need to buy a Boy Scout - flint and steel fire starter kit === or a BIC lighter ... the other thing is a small jar filled with water [[ capped and water level near the top.]] hold the water-jar over some

Q: I am searching for an online article which discusses any aspect of the use of austenitic stainless steels. I was just wondering if anyone could help me find one. No sales articles. Thank you!: *Austenitic, okorder

Q: We all know that when we drop a small steel ball (size 3mm diameter; weight 1.10 grams) and a paper (size 11.7 inches length and 8.3 inches breadth; weight 4.5 grams) from a height. The steel ball will win the race to the ground due to its aerodynamic structure.Now imagine the same steel ball with the same weight converted to the structure similar that of paper. What will be the result? Which object will fall first; steel sheet or paper?: In okorder /... 11.7x8.3 inch paper 97.11 square inches 0.062651488 sq meters at 4.5gm is a non-standard 19 pound bond ledger paper, but that is OK, because at least it is in range. 38 gauge steel sheets are about the thinnest that hold their structure 0.00625 thick 1221 g/m? or, at 11.7x8.3 76.5grams So, with this data at hand we can better visualize the situation. Paper of 0.00625 thick in the size shown is 35# paper 131.68 g/m? 8.25grams Steel is higher in density than paper, so you cannot get the same size and air flow without it being lighter in weight than the steel and the air resistance would be lower for the heavier item, so steel of the same shape and thickness as paper falls faster. Suppose you want paper heavier than steel for the same area, then the thickness increases. Will a steel sheet 0.00625 thick and 11.7x8.3 inch size 76.5gm fall faster or slower than a 9 or 10 times thicker paper sheet? If it was able to hold flat in each type the thicker paper should get more backflow behind it aerodynamically and fall faster than an equal weight thinner steel sheet as my guess, but I don't have those numbers. The steel will always be heavier than the paper for the same exact shape and thickness by about 9x. My answer here is difficult, but the question has some flaws to think about.

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