Steel ASTM A653 Hot-Dip Zinc-Coated Steel Coil CNBM

Steel ASTM A653 Hot-Dip Zinc-Coated Steel Coil CNBM System 1

Steel ASTM A653 Hot-Dip Zinc-Coated Steel Coil CNBM

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 m.t./month

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Quick Details

Standard: ASTM
Grade: FS Type A and B
Type: Steel Coil
Surface Treatment: Galvanized
Application: Forming steel
Width: 600-1534mm
Length: Coil

Packaging & Delivery

Packaging Details:	Oscillated wound: one coil per bundle, inner is the protecting humidity-proof wax paper. Medium is plastic film. Outer is sackcloth or compound paper packing. Coil to be laid on single type pallet (one pile per pallet)
Delivery Detail:	Depends on specification and order quanity.

Specifications:

(1) Regular spangle, minimized spangle and skin-pass.
(2) Chromate and Chromate-free passivation.
(3) Oiled and unoiled.

Feature:

(1) Type of zinc coating finish: regular spangle, minimized spangle and skin-pass.
(2) Types of surface qualities: as coated surface, improved surface and best quality surface.
(3) Surface treatment: chemically passivated, chromate-free passivation, phosphate, anti-finger print, phosphateand, self lubricating film, and untreated.

ainting structure	Top surface	Bottom surface
	Primer coating	No coating	1/0
	Primer coating	Primer coating	1/1
	Primer coating + Finish coating	No coating	2/0
	Primer coating + Finish coating	Primer coating or single back coating	2/1
	Primer coating + Finish coating	Primer coating + Finish back coating	2/2

What is the application of Steel Coil?

There are two sides,one is out side: Workshop, agricultural warehouse, residential precast unit, corrugated roof, roller shutter door, rainwater drainage pipe, retailer booth;the other is inside: Door, doorcase, light steel roof structure, folding screen, elevator, stairway, vent gutter.

Steel ASTM A653 Hot-Dip Zinc-Coated Steel Coil CNBM

Q: What are the safety precautions while handling steel coils?: When handling steel coils, it is important to follow certain safety precautions to prevent accidents and injuries. Here are some key safety measures to consider: 1. Personal Protective Equipment (PPE): Always wear appropriate PPE such as steel-toed boots, safety glasses, gloves, and a hard hat. PPE will protect you from potential hazards, including falling objects, sharp edges, and flying debris. 2. Training and Proper Lifting Techniques: Ensure that workers involved in the handling of steel coils have received proper training on safe lifting techniques. This includes using the legs to lift, keeping the back straight, and avoiding twisting motions. Proper lifting techniques reduce the risk of back strains and injuries. 3. Secure Storage and Stacking: When storing or stacking steel coils, make sure they are placed on a level and stable surface. Use appropriate storage equipment such as racks or pallets to prevent coils from shifting or falling. Securely stack the coils to avoid toppling or collapsing. 4. Inspection and Maintenance: Regularly inspect steel coils for any defects, such as sharp edges, loose bands, or damaged packaging. Avoid handling coils that appear damaged or unstable. Maintenance of equipment, such as forklifts or cranes, used for moving the coils should be regularly conducted to ensure safe operation. 5. Communication and Signaling: Implement clear communication and signaling protocols between workers involved in handling steel coils. This can include hand signals or radio communication to coordinate movements and prevent accidents, especially in areas with restricted visibility. 6. Load Limits and Capacity: Be aware of the load limits and capacity of the equipment being used to move steel coils, such as forklifts or cranes. Overloading equipment can lead to instability, tipping, or collapse, increasing the risk of accidents and injuries. 7. Proper Lashing and Securing: When transporting steel coils, use appropriate lashing and securing methods to prevent movement or falling during transportation. This may include using straps, chains, or other restraints to keep the coils in place. 8. Emergency Preparedness: Have an emergency plan in place in case of accidents or injuries. Ensure that workers are trained in first aid and that emergency response equipment, such as fire extinguishers and first aid kits, are readily available. By following these safety precautions, the risk of accidents and injuries while handling steel coils can be significantly reduced, creating a safer work environment for all involved.

Q: How are steel coils used in the manufacturing of industrial boilers?: Steel coils are used in the manufacturing of industrial boilers as they are shaped and welded to form the boiler shell. The coils provide the necessary strength and durability to withstand high pressure and temperature conditions in the boiler. Additionally, the coils are often used to create the tubes and pipes that circulate the hot gases and water within the boiler, facilitating efficient heat transfer and steam generation.

Q: How are steel coils priced and traded in the market?: Steel coils are typically priced and traded in the market based on various factors such as the current demand and supply, raw material costs, production costs, and market competition. Steel coil pricing often takes into account the specifications of the coil, including its size, thickness, width, and grade. Additionally, market dynamics, such as global economic conditions, trade policies, and currency fluctuations, can also influence steel coil pricing. Traders and buyers negotiate prices based on these factors, and the final price is determined through a combination of supply and demand dynamics and market forces.

Q: What are the challenges in coil slitting for thin gauge materials?: Coil slitting for thin gauge materials comes with its own set of challenges that need to be addressed for a successful operation. One major challenge is the handling and stability of the thin gauge material. The thinner the material, the more prone it is to deformation, wrinkling, or even tearing during the slitting process. This requires careful attention to the handling equipment and techniques to ensure proper tension and support throughout the slitting operation. Another challenge is maintaining consistent and precise slitting widths. Thin gauge materials are often used in applications where accuracy is crucial, such as in electronic components or automotive parts. Any variation in slitting width can lead to functional defects or assembly problems. Achieving precise slitting widths in thin gauge materials requires high-quality slitting knives, well-maintained slitting machinery, and accurate tension control systems. Additionally, thin gauge materials are more susceptible to surface defects, such as scratches or burrs, during the slitting process. These defects can affect the material's appearance, performance, or even its safety. Proper selection of slitting knives and regular maintenance of the slitting machinery are essential to minimize the occurrence of surface defects. Furthermore, thin gauge materials often have a higher yield strength, meaning they are more resistant to deformation. This poses a challenge when it comes to achieving clean and straight edges during the slitting process. Special considerations need to be taken to ensure that the slitting knives are sharp and properly aligned to achieve clean cuts without introducing any edge defects. Lastly, thin gauge materials are generally more sensitive to external factors such as temperature, humidity, or static electricity. These factors can affect the material's dimensional stability, leading to variations in slitting width or other quality issues. Consequently, it is important to establish suitable environmental conditions and implement proper anti-static measures to minimize the impact of these factors. In summary, the challenges in coil slitting for thin gauge materials revolve around handling and stability, maintaining precise slitting widths, minimizing surface defects, achieving clean and straight edges, and mitigating the impact of external factors. Overcoming these challenges requires a combination of appropriate equipment, techniques, and operational controls to ensure high-quality slitting results.

Q: Can someone help me...i have a diagram and were supposed to calculate the steel tonnage needed for the pictre. Can someone tell me step by step what i need to do (ex:find area of ...): Find the volume of steel and then multiply that by the density of the steel.

Q: What are the different types of steel coil edge finishes?: There are several types of steel coil edge finishes, including mill edge, slit edge, round edge, and deburred edge.

Q: How are steel coils used in the production of steel cables?: Steel coils are used in the production of steel cables by being unwound and straightened to form individual wires, which are then twisted or braided together to create the cable.

Q: I know that steel is generally iron with carbon and probably some other things in it, but I'm doing a research paper on architecture in Tokyo, and touching on the Tokyo Tower.The Tokyo work is larger than the Eiffel Tower by 12 meters, but lighter by 3000 tons. The only reason I can find for the difference in weight is that the Tokyo Tower is made of steel and the Eiffel Tower in made of iron, and since the Tokyo Tower is modeled after the Eiffel, there's really not a substantial difference in the amount of metal used....: There are lightweight steel alloys that are lighter, for a given volume, than pig iron. The words iron and steel have referred to different materials at different times, and are used in different ways. A steel structure may also be lighter because steel alloys are stronger, in a given cross-section, that iron or other types of steel. For example, a 1-inch bar of chrome-vanadium steel is stronger than a 1-inch bar of 4130 mild steel or pig iron. The more you find out about it, the more complicated it is. But the answer to your question is (a) Yes, and (b) it's all relative.

Q: What are the different methods of surface cleaning for steel coils?: There are multiple options available for cleaning the surface of steel coils, and the choice of method relies on specific requirements and conditions. 1. Mechanical Cleaning: To physically eliminate dirt, rust, or other contaminants from the surface of steel coils, mechanical tools like wire brushes, sanding discs, or abrasive pads are used. It is commonly employed for light cleaning and can be done manually or with the assistance of automated equipment. 2. Chemical Cleaning: By using various cleaning agents or solvents, chemical cleaning dissolves or loosens contaminants from the surface of steel coils. This method effectively removes oil, grease, or stubborn dirt. The selection of chemicals depends on the type of contaminants and the desired level of cleaning. It is crucial to adhere to safety guidelines and use appropriate protective equipment when utilizing chemical cleaners. 3. Power Washing: High-pressure water jets are utilized in power washing or pressure washing to eliminate loose particles, dirt, or contaminants from the surface of steel coils. This method is effective for extensive cleaning and can be combined with chemical cleaners for better results. Adjusting the water pressure according to the surface type and using suitable nozzles is important to prevent damage. 4. Pickling: Pickling is a chemical cleaning method that involves immersing steel coils in an acidic solution, typically a mixture of hydrochloric acid and sulfuric acid. This process eliminates scale, oxides, and other impurities from the steel's surface. Pickling is frequently employed for heavy-duty cleaning and preparing steel coils before further processing or coating. 5. Electrolytic Cleaning: Electrolytic cleaning employs an electric current to remove contaminants from the surface of steel coils. The coils are submerged in an electrolyte solution, and the application of direct current causes the contaminants to dissolve or dislodge. This method is highly effective for eliminating rust or corrosion and can be used in conjunction with other cleaning methods. When choosing the appropriate surface cleaning method, it is vital to consider factors like the type and condition of the steel coils, the required level of cleanliness, and any specific industry standards or regulations. Regular maintenance and cleaning are essential to ensure the longevity, performance, and corrosion resistance of steel coils.

Q: How are steel coils protected from humidity?: Steel coils are typically protected from humidity through a process called galvanization, where a layer of zinc or another protective coating is applied to the surface of the steel. This coating acts as a barrier, preventing moisture from coming into direct contact with the steel and minimizing the risk of corrosion. Additionally, steel coils are often stored in dry, enclosed spaces or wrapped with moisture-resistant materials such as plastic or wax paper to further protect them from humidity.

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