Cold Rolled Steel Coils/China Supplier Made in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 50000 m.t./month
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Specification
Standard:
AISI,GB,DIN,JIS
Technique:
Cold Rolled
Shape:
Round
Surface Treatment:
Oiled,Dry
Steel Grade:
Q195,Q215,Q235
Certification:
ISO,SGS,BV,CE
Thickness:
0.18mm-1.8mm
Width:
1000mm-1600mm
Length:
according to weight
Outer Diameter:
according to weight
Net Weight:
12mt
Packaging:
Standard Export Packing
Prime Quality SPCC Cold Rolled Steel Sheet/Coil
Widely used to appliance,automobile industry or other decoration usage.
Certificate: ISO9001
Packing Details: Wrapped by water proof paper and plastic film.Covered with iron sheet,strapped by steel strips to protect the damage under transportation.
Details please check following format
Brief Introduction
Cold rolled steel coil is steel that has been worked below its recrystallization temperature by passing it between a pair of rollers. Recrystallization temperature is the temperature at which grains in the lattice structure of the metal have been rearranged, leaving it free of strain and deformations. Cold rolled steel coil is pre-treated before being cold rolled with a process known as pickling, which uses strong acids to remove scale and other impurities. The cold rolled steel coil is then passed through rollers to reduce its thickness. Most cold rolling takes place in multiple passes and as the size of the cold rolled steel coil is further reduced, its strength and hardness both increase, but its ductility decreases. After cold rolling, heating the metal up in a process known as annealing can restore some of its ductility. The final cold rolled steel coil may be manufactured in the form of sheets, strips, bars, or other forms.
Mechanical Properties
1. Yield Strength: ≤320MPa
2. Tensile Strength: ≤370MPa
3. Elongation (L=50mm, b=25mm) When:
(1) Nominal Thickness<0.25mm: 30%
(2) Nominal Thickness 0.25mm-<0.40: 32%
(3) Nominal Thickness 0.40-<0.60mm: 34%
(4) Nominal Thickness 0.60-<1.0mm: 36%
(5) Nominal Thickness 1.0-<1.6mm: 37%
(6) Nominal Thickness >1.6mm: 38%
FAQ:
1. Q: Where is your company located? How can I visit there?
A: Our company is located in Beijing, China. Welcome to visit us.
2. Q: Can I get sample and how long will it take?
A:Yes. We can supply sample. And you need to pay for courier.
3. Q: What's the MOQ?
A: Our MOQ is 25mt.
4. Q: What's the delivery time?
A: It will take about 30 days after TT or L/C.
5. Q: What is the payment terms?
A: T/T, L/C at sight
6. Q: How does your factory carry out quality control?
A: We attach great importance to quality control.Every part of our products has its own QC.
7. Q: What certificate do you have?
A: We have SGS, ISO9001 etc.
- Q: Which is more reactive? Zinc or Steel? And why?
- Zinc. Steel is an alloy consisting mostly out of iron, In the reactivity seris, zinc is more reactive than iron. Therefore, zinc is more reactive than steel
- Q: What are the different types of steel coil handling systems?
- There are several types of steel coil handling systems, including overhead crane systems, coil grab systems, coil transfer cars, and coil tilters. Each system is designed to efficiently and safely handle steel coils in different environments and applications.
- Q: If needed for Defence could a stainless steel sword kill someone my buddy wanted this sword for Defece after it is sharpend here is a picture
- Anything sharp can kill. The serious problem with stainless steel swords is that they're brittle, cheap and ONLY meant for display, and nothing more.
- Q: What are the challenges in coil slitting?
- Coil slitting, a method used to divide large metal coils into narrower strips of desired widths, has its advantages in terms of efficiency and flexibility. However, it also comes with several challenges. One of the primary obstacles in coil slitting is the need to ensure consistent strip width accuracy. To achieve this, it is crucial to maintain uniform width measurements throughout the process. Any deviation in strip width can have downstream effects on the production line, impacting the quality and functionality of the final product. Overcoming this challenge requires the use of precise slitting equipment and careful monitoring of process parameters. Another challenge lies in managing the quality of the strip edges. The edges of the slit strips play a critical role, particularly in applications where they must be free from imperfections like burrs. Attaining clean and smooth edges necessitates proper blade selection, positioning, and maintenance. Any defects or irregularities on the strip edges can affect subsequent processes such as bending, welding, or coating. Additionally, the type of material being slit can pose challenges. Certain metals, such as high-strength steels or alloys, may be more difficult to cut due to their hardness or brittleness. Slitting these materials can result in blade wear and premature failure, leading to increased downtime and maintenance costs. Moreover, the presence of contaminants or surface defects on the coil can also impact the slitting process, requiring additional cleaning or preparation steps. Handling and processing large coils present another significant challenge. Coils can be cumbersome and heavy, necessitating proper equipment and procedures to ensure safe handling. Furthermore, the slitting process generates a significant amount of scrap material, which needs to be efficiently managed and disposed of. Proper storage, transportation, and recycling of the scrap are essential to minimize waste and maintain a clean and organized working environment. In conclusion, coil slitting offers benefits in terms of customization and productivity. However, it also poses challenges in maintaining strip width accuracy, managing edge quality, dealing with difficult materials, and handling large coils and scrap. Overcoming these challenges requires expertise, precision equipment, and careful process control to ensure the desired quality and efficiency in coil slitting operations.
- Q: How are steel coils used in the manufacturing of construction excavators?
- Steel coils are often used in the manufacturing of construction excavators to form the structural components and body parts. These coils are cut, shaped, and welded to create the framework, bucket, and other essential components of the excavator. The high strength and durability of steel make it an ideal material for supporting heavy loads and withstanding the demanding conditions of construction sites.
- Q: How are steel coils transported?
- Steel coils are typically transported using specialized trailers or railway cars. The coils are securely fastened to prevent movement during transportation and are often stacked to maximize space utilization.
- Q: What are the different types of steel coil cutting blades?
- Various types of steel coil cutting blades exist, each specifically designed for particular cutting purposes. 1. Slitting Blades: These blades are utilized to cut steel coils into narrow strips. They possess a straight cutting edge and come in different widths to accommodate various slitting needs. Industries like automotive, construction, and metal fabrication commonly employ these blades. 2. Shearing Blades: These blades are created to cut steel coils into flat sheets. They feature a curved cutting edge that enables a clean and precise cut. Steel service centers, where large coils are transformed into flat sheets for further manufacturing processes, frequently utilize shearing blades. 3. Circular Blades: Also known as rotary blades, these blades are employed for continuous cutting of steel coils. With a circular shape adorned with sharp teeth along the edge, they can effectively cut through the coil as it passes through the cutting machine. Industries such as packaging, printing, and paper manufacturing often make use of circular blades. 4. Guillotine Blades: These blades are employed to cut steel coils in a straight downward motion. Possessing a vertically moving straight cutting edge, they can effectively slice through the coil. Guillotine blades are frequently used in heavy-duty cutting applications that involve thick steel coils or large quantities of material. 5. Slitter Knives: Similar to slitting blades, slitter knives are typically smaller and employed in slitting machines that require multiple blades. Industries requiring high-precision slitting, such as electrical transformer production or precision metal stamping, often rely on slitter knives. Each type of steel coil cutting blade possesses unique characteristics and designs that render them suitable for specific cutting tasks. The appropriate blade selection depends on factors like steel coil thickness and width, desired cut quality, and specific application requirements.
- Q: How are defects in steel coils repaired?
- Defects in steel coils can be repaired through several methods depending on the type and extent of the defect. One common approach is known as welding repair, which involves using specialized welding techniques to fix the defect. This method is typically used for minor defects such as cracks or small holes in the coil. The damaged area is cleaned, prepped, and then welded using appropriate welding rods or wires to ensure a strong and durable repair. For more severe defects, such as large holes or significant damage to the coil, a patching technique may be employed. This involves cutting out the damaged section and replacing it with a new piece of steel. The patch is usually welded to the intact areas of the coil, ensuring a secure and seamless repair. In some cases, defects can also be addressed through grinding or sanding techniques. This is often used for surface defects like scratches or blemishes that do not compromise the structural integrity of the coil. Grinding or sanding the affected area smooths out the defect, improving the appearance and preventing further damage. It is worth noting that the repair method chosen depends on factors such as the specific defect, the material of the coil, and the intended application of the steel. The repair process may also involve additional steps such as heat treatment or surface finishing to restore the coil to its original condition. Overall, repairing defects in steel coils requires the expertise of skilled technicians and specialized equipment. It is crucial to address these defects promptly to prevent further damage and ensure the coil's performance and longevity.
- Q: Will a 8mm steel ball fired from a 150lbs crossbow kill small game and if so, from how many yards?
- An 8mm steel ball fired from a 150# crossbow is probably going to damage your crossbow. Crossbows shoot arrows (or bolts), NOT ball bearings and, furthermore, a 150# crossbow needs an arrow (or bolt) of about 450 grains in order to be efficient and operate without damaging itself. A 450 grain arrow will kill small game very well and out to a range of about 30 yards. Don't wind up like the guy below... EDIT: Racing Pace Stick - I stand corrected. There are, indeed, tacticool crossbows that shoot ball bearings and they all seem to come straight from Shandong Province, China. Note that these are not implements suited to hunting. Also note that if you shoot an 8mm steel ball out of a 150# draw compound crossbow that IS suitable for hunting, you are probably going to break it.
- Q: Does aluminum or steel hold up better? We found a steel for 1/2 the price of aluminum, obviously its heavier but any other downsides? rust faster ect? also, does anybody know, in PA do you pay sales tax on trailers? and do dealers normally give you license plates to get the trailer home with? we live 3 hours away from the dealer so thats why i want all details :) would stink if i messed up!!
- I have a steel trailer. It's okay but I think next time I'll go for aluminum because mine is rusting, particularly on the tongue, so the hitch gets all frozen up. Drives me nuts. Yeah, you pay sales tax on trailers and the dealership SHOULD give you temporary plates to get home, just like they do on vehicles.
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Cold Rolled Steel Coils/China Supplier Made in China
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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