Best Quality For Hot Dip Galvanized Steel Coil
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 tons per month m.t./month
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General Information of Hot Dip Galvanized Steel Coil
Hot-dip galvanized steel coils are available with a pure zinc coating through the hot-dip galvanizing process. It offers the economy, strength and formability of steel combined with the corrosion resistance of zinc. The hot-dip process is the process by which steel gets coated in layers of zinc to protect against rust. It is especially useful for countless outdoor and industrial applications.
Specification of Hot Dip Galvanized Steel Coil
1. Thickness: 0.15-1.2mm
2. Width: 800mm-1250mm
3. Zinc Coating: 70-180g/m2
4. Internal Diameter: 508mm/610mm
5. Coil Weight: 3-12MT
6. Quality: commercial and structural quality
7. Surface Treatment: regular & minimum spangle, zero spangle, oiled & dry, chromated, non-skin pass ,skin pass
8. Standard: JIS G 3302, ASTM A 653M, EN 10327
9. Steel Grade: SGCC, CS, FS, SS, LFQ, DX51D+Z , S280GD
Technical Data of Hot Dip Galvanized Steel Coil
|
Chemical Composition |
C |
Si |
Mn |
P |
S |
|
0.04-0.06% |
0.01-0.03% |
0.18-0.22% |
0.014-0.016% |
0.006%-0.009% |
|
Technical Data | |
|
Yield Strength |
(Mpa) 280-320 |
|
Tensile Strength |
(Mpa) 340-390 |
|
Elongation |
20%-30% |
|
Out-of-square |
not exceed 1% Flatness |
|
Bow |
15mmmax |
|
Edge Wave |
9mmmax |
|
Centre Buckle |
8mmmax |
|
Bending At 180 Degree |
No crack, purling and fraction |
Package of Hot Dip Galvanized Steel Coil
Full wrapped with anti-damped paper inside, iron sheet wrapped outside, and bundled by iron strips
Application of Hot Dip Galvanized Steel Coil
It can be widely used in transportation, light industry, civil usage and farming. It is also the perfect building material in construction for making roofing tile, steel profiles for wall partition, T-bar, studs, fireproof door, air conditioning duct and home appliance.
- Q: How are steel coils tested for mechanical properties?
- Steel coils are tested for mechanical properties through various methods, including tensile testing, hardness testing, and impact testing. Tensile testing involves subjecting a small sample of the steel coil to a controlled force, measuring the amount of force required to deform or break the material. Hardness testing determines the resistance of the steel to indentation or scratching, providing insights into its strength and durability. Impact testing assesses the ability of the steel to withstand sudden loads or shocks by striking a sample with a pendulum and measuring the energy absorbed during fracture. These tests help evaluate the quality and suitability of steel coils for specific applications.
- Q: What are the common methods of packaging steel coils for transportation?
- The common methods of packaging steel coils for transportation include strapping, wrapping, and using wooden or steel cradles. Strapping involves securing the coils with metal or polyester bands, while wrapping involves using stretch film or shrink wrap to protect the coils from moisture and damage. Wooden or steel cradles are used to stack and secure multiple coils together, ensuring stability during transportation.
- Q: Why can hot rolled coils be placed outside?
- Because the stress of participation should be eliminated
- Q: How are steel coils processed at the steel service centers?
- Steel coils are processed at steel service centers through a series of steps. First, the coils are unrolled and flattened using a decoiler and a leveling machine. Then, the steel is cut into the desired length and width using shears or slitting machines. Next, the coils may undergo various treatments such as pickling, galvanizing, or coating to enhance their corrosion resistance or appearance. Finally, the processed coils are inspected, packaged, and prepared for shipment to various industries for further manufacturing or construction purposes.
- Q: How are steel coils processed before being used in manufacturing?
- Before steel coils are used in manufacturing, they undergo a series of processing steps. Initially, the steel coil is uncoiled from a large spool, a process that is typically carried out using a machine known as a decoiler. Once the coil is uncoiled, it is carefully inspected for any defects or damages. Following inspection, the steel coil is subjected to a process called leveling. This involves passing the coil through a set of rollers to eliminate any unevenness or waviness in the steel. By doing so, the leveling process guarantees that the coil has a uniform thickness and a flat surface, which is crucial for subsequent processing. The subsequent step involves thoroughly cleaning the steel coil to eliminate any impurities it may have, such as rust, oil, or dirt. Typically, this is accomplished by running the coil through a cleaning line, where it is treated with chemicals and water sprays. Through this cleaning process, the surface of the coil is thoroughly cleansed of any contaminants that could potentially compromise the quality of the final product. Once the cleaning process is complete, the steel coil may undergo additional processes tailored to the specific requirements of the manufacturing process. For instance, the coil may undergo annealing to enhance its ductility and reduce its hardness. Annealing entails heating the coil to a specific temperature and gradually cooling it. This process serves to alleviate internal stresses and enhance the mechanical properties of the steel. Upon completion of all necessary processing steps, the steel coil is now ready to be utilized in the manufacturing process. It can be further processed into various forms and shapes, such as sheets, plates, or strips, depending on the specific requirements of the manufacturing process. These processed steel coils find application in a wide array of industries, including automotive, construction, appliances, and machinery.
- Q: What is the process for uncoiling and recoiling steel coils?
- To ensure the safe and efficient handling of steel coils, several steps are involved in the process of uncoiling and recoiling. Firstly, the steel coils are transported to the desired location using cranes or forklifts and carefully unloaded from the transportation vehicle. They are then placed in a designated area. Before uncoiling, it is crucial to inspect the steel coils for any damage or defects. This step ensures that only quality coils are further processed. Once inspected, the steel coils are secured to prevent any movement during the uncoiling process. Clamps or straps are used to hold the coils firmly in place. Uncoiling involves gradually unwinding the steel coil, which can be done manually or using specialized machinery such as uncoilers or decoilers. The coil is typically fed through a series of rollers that guide the unwinding process. In some cases, the steel coil may need to be straightened before further processing. Straightening machines apply pressure to remove any bends or twists in the steel. If necessary, the uncoiled steel coil may be cut into smaller sections or sheets using shearing machines or other cutting tools. The dimensions and size of the cuts depend on the specific project requirements. Once the desired processing steps are completed, the steel coil can be recoiled. This involves rewinding the steel into a new coil shape, which can be done manually or using recoilers. Recoilers wind the steel evenly and tightly to maintain its integrity. After recoiling, the steel coils are typically packaged and stored for further transportation or use. They may be wrapped in protective materials such as plastic or metal sheets to prevent corrosion or damage. In conclusion, the process of uncoiling and recoiling steel coils requires careful handling, inspection, and the use of specialized machinery. By following these steps, steel coils can be efficiently processed and prepared for various applications in industries such as construction, automotive, and manufacturing.
- Q: I read that contrary to popular belief, today's folded steel swords are only made that way for tradition and cosmetics. In the past steel was very impure and therefore had to be folded in order to make a good sword. Today's steel manufacturing provides very pure steel and so folding the metal only makes it look nicer, but does nothing to improve the function of the blade.What do you think of this?
- Folding Sword
- Q: Why people prefer prefabricated buildings these days? Recently my friend has told me that he is going to owe a steel house so I was just thinking are these steel structures really durable and cheaper than concrete structures?
- Hi., I think steel is the best option for the building ..
- Q: What are the different surface finishes available for steel coils?
- There are several different surface finishes available for steel coils, including hot rolled, cold rolled, galvanized, coated, and polished finishes.
- Q: What are the common problems encountered with steel coils during production?
- During production, steel coils often encounter various common problems. Among them, coil slippage is one of the most frequent issues, occurring when the coils shift or slide out of place during handling or transportation. This can result in damage to the coils or pose a safety risk to workers. Another problem commonly encountered is coil rusting or corrosion. If steel coils come into contact with moisture or are not adequately protected, they are susceptible to rust. This can compromise the structural integrity of the coils and lead to product defects or failure. Coil breakage is also a frequent problem that arises when the coils are subjected to excessive stress or tension, causing them to crack or break. Improper handling or storage, as well as production issues such as inadequate rolling or cooling processes, can contribute to coil breakage. Coil surface defects are another issue commonly observed. These defects can manifest as scratches, dents, or uneven surfaces on the coils. Surface defects can compromise the appearance and quality of the final product, rendering it unsuitable for certain applications. Lastly, coil contamination is a problem that can occur during production. Contaminants such as dirt, oil, or foreign particles can adhere to the surface of the coils, leading to quality issues or difficulties in further processing. Contamination can arise from improper handling, inadequate cleaning processes, or poor environmental control. To address these common problems, it is essential to adopt proper handling and storage practices. This involves using appropriate lifting and transporting equipment, ensuring the coils are stored in a dry and clean environment, and implementing effective rust prevention measures. Regular inspections and quality control checks can also aid in identifying and addressing any issues early on, preventing further damage and ensuring the production of high-quality steel coils.
EASTSTEEL is close to Shanghai port and Ningbo port, has be richly endowed by nature of the geographical advantage. The main color coated steel coil, galvanized steel coil etc.
The company expanded after the completion of the production capacity reached 900000 tons, including 120000 tons of hot dip galvanized steel coil, line, producing 200000 tons of aluminum 450000 tons of zinc coated steel coils and 50000 tons of printing plate.
1. Manufacturer Overview
| Location | Zhejiang, China |
| Year Established | 1999 |
| Annual Output Value | US$1 Million - US$2.5 Million |
| Main Markets | Europe; Africa; Mid East; Southeast Asia |
| Company Certifications | ISO9001；ISO14001 |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Shanghai Port |
| Export Percentage | 41% - 50% |
| No.of Employees in Trade Department | 50-80 |
| Language Spoken: | Chinese, English |
| b) Factory Information | |
| Factory Size: | Above 100,000 square meters |
| No. of Production Lines | 5 |
| Contract Manufacturing | OEM Service Offered |
| Product Price Range | Average |
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Best Quality For Hot Dip Galvanized Steel Coil
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 tons per month 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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