Hot and Cold Rolled Steel Strip Coils with High Quality in China

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Min Order Qty:
122 m.t.
Supply Capability:
122222 m.t./month

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Item specifice:

Standard: EN,AISI Technique: Hot Rolled,Extruded Shape: Oval,U Channel
Surface Treatment: Dry,Coated Steel Grade: SS400-SS490 Certification: ISO
Thickness: 12 Length: 12 Net Weight: 12

Product Description:

Description of Steel Strip Coils:

Steel strips is one of our main products that is widely used in making band saw blade & other blades to cut paper, weed, etc.

Festures  of  Steel Strip Coils:

1. Each coil is closely covered by oil paper or plastic film.

2. Outside it is firmly packed with sack cloth or compound paper.

3. Steel strap or PP strap to pack the outside to ensure safety.

Specifications of Steel Strip Coils:

Our Products are packed and labeled according to rigorous internal regulations and customer's requests. Great care is taken to avoid any damage which might be caused during storage or transportation. In addition, clear labels are tagged on the outside of the packages for easy identification of the product and quality information. 

Images of Steel Strip Coils:

Hot and Cold Rolled Steel Strip Coils with High Quality in China


1.What's your MOQ?
25MT, it is for one container.
2.Do you have QC teams?
Yeah, sure, our QC team is very important, they will keep the quality control for our products.
3. What's your normal delivery time?
Our delivery time about 10-20days for standard sizes, if you have other requirements like hardness  and width ,it is about 20-40days. 

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Q:What are the characteristics of cold rolled strip technology?
Cold rolled blank because the surface covered with oxide film and a small amount of impurities, will directly affect the precision of rolling and the quality of the product, so the blank material must first sent to the shallow groove company push-pull continuous pickling, pickling of oxide film and annealing to remove impurities, can be sent to the high precision six roller reversible rolling mill made the required thickness. After rolling through forced circulation cover type bright annealing furnace and high precision leveling unit two Kun to soften and smooth surface, and then finished packing or according to customer demand straight points, finally packaging factory.
Q:What's the difference between hot rolled strip and cold rolled strip? What's the difference between hot rolled coil and cold rolled coil?
Hot rolled coil is above the recrystallization temperature of rolling, cold-rolled plate refers to the recrystallization temperature following rolling, popular point that is in the hot strip rolling red hot state, while cold rolled hot-rolled is under normal temperature rolling. Hot plate often said refers to the hot rolled plate, cold plate refers to the cold rolled plate, hot rolled, cold rolled and hot rolled coil is said and cold rolled coil.
Q:What is the hardness of cold rolled steel strip?
Generally, the Rockwell hardness of annealed carbon steel is 55+-3, and the hardness of annealed cold rolled strip is above 80
Q:What are the categories of strip steel? How do you distinguish it?
Steel is iron, carbon as the main component of the alloy, its carbon content is generally less than 2.11%. Steel is one of the most important metal materials in economic construction.
Q:What is galvanized steel strip? What's the difference between galvanized strip and cold rolled strip?
The chemical and chemical reactions between the substrate and the molten bath of the hot galvanized steel pipe are complicated and the corrosion resistant structure is closely alloyed with zinc and iron alloy. The alloy layer is integrated with pure zinc layer and strip steel matrix. Therefore, it has strong corrosion resistance.
Q:Steel industry, strip 195, where can strip be used?
Rolling sheet and wire rod for cold and hot rolling thin steel plate and its original made of zinc, tin and plastic made from composite sheet for roofing plate, decorative board, general pipeline, container, railway, instrument shell, switch box, protective cover, train etc.. Wire rod is more cold drawn into low carbon steel wire, light galvanized goods, made of galvanized low carbon steel wire, used to tie the tension fixed goods, used as steel wire mesh, rivets and so on. I hope my answer is satisfactory to you!
Q:What is cold rolled strip and hot rolled strip? Why is it called strip steel?
The only so called strip is because this kind of material is shaped, say vulgar point like our waist belt like si,
Q:What's the difference between strip 235 and 235b?
235B only requires a temperature environment of 20 degrees C; this is because of their chemical composition of sulfur, S, phosphorus, P content indicators caused by different.The 235 is 235A, 235 in the material according to the sulfur phosphorus content from high to low is divided into ABCD four grades, grade a sulfur phosphorus was the highest relative performance (welding, plasticity) is the worst, D performance is the highest, the lowest content of parathion.
Q:What about the strip scraping in the annealing furnace?
Thus forming an air knife scratch. This kind of defect causes the product to be wasted because the coating is scratched. Proper control of strip tension in productionForce and adjust the nozzle distance, can avoid this kind of defect happen.
Q:Specification and use of cold rolled strip
Advantages of cold rolled strip:A very thin strip of steel (0.001mm), which is difficult to obtain by hot rolling method, can be obtained;It can make the product have high mechanical properties and wide range of performance;Guarantee to obtain the high precision size, the thickness deviation is small, along the strip width and the length aspect uniformity, the shape is good, the surface is bright and clean each kind of strip steel;Low cost and high efficiency;Rolling speed, with high productivity.Technological characteristics of cold rolled strip:When the strip is rolled in cold condition, because of the hardening of the strip, the intermediate annealing must be done to soften it and restore the plasticity so as to continue rolling;The surface iron oxide scales must be removed before rolling, thus ensuring the surface smoothness of the strip and reducing the wear of the roll;Adopting tension rolling to ensure good strip shape of strip, controlling the deviation of strip thickness and reducing rolling pressure, which is beneficial to rolling thin specification products.Using process cooling and lubrication, it is easy to control the temperature of roller and strip, reduce the friction between roll and strip, and reduce the rolling pressure. It is favorable to shape control and prevent the sticking roll of strip steel.

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