Steel coil aluzinc coating in different size
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 17654 m.t./month
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Specification
Hot –dip aluzinc steel sheet/coil is substrated on cold rolled steel (CRC) in various strength and
specification. Coating composition is 55% aluminum in weight ratio, 43.4% zinc, and 1.5% silicon,
with excellent corrosion and heat resistance performance.
The superior corrosion resistance of Galvalume steel sheet is achieved by the presence of microscopic
zinc-rich and aluminum-rich areas within the coating. The aluminum-rich areas, which corrode very slowly,
provide the long-term durability while the zinc-rich areas, which corrode preferentially, provide galvanic protection.
Standard and Grade :
Hot-dip Aluzinc steel coils | ||||
ASTM A792M-06a | EN10327-2004 | JIS G 3321:2010 | AS- 1397-2001 | |
Commercial quality | CS | DX51D+AZ | SGLCC | G1+AZ |
Structure steel | SS GRADE 230 | S220GD+AZ | SGLC400 | G250+AZ |
SS GRADE 255 | S250GD+AZ | SGLC440 | G300+AZ | |
SS GRADE 275 | S280GD+AZ | SGLC490 | G450+AZ | |
SS GRADE 340 | S320GD+AZ | SGLC570 | G450+AZ | |
SS GRADE 550 | S350GD+AZ | G500+AZ | ||
S550GD+AZ | G550+AZ | |||
Application :
Production of cold formed corrugated sheet and profiles for roofing, cladding, decking, tiles, sandwich
walls, rainwater protective systems, air conditioning duct as well as electrical appliances and engineering.
Packaging & Shipping
Packaging Detail | The packing of coil consists of anti-damp paper ,PVC film ,hardboard paper , steel box , strapped with steel strips, fitted with locks and edge protectors and guarantees the optimal condition of the delivered goods. Each coil can be additionally fitted with wooden/steel skids(eye of the side) or wooden pallets(eye of the sky) |
Delivery Time | within 30 days of receipt of LC original or prepayment |
Our Services
MOQ | FCL, 25 metric tons per 20GP, can be assorted with different sizes. |
LCL for trial order is acceptable. | |
Price Term | EX-WORK, FOB China Port, CNF, CIF |
Payment | T/T, 30% advanced payment before production and balance before shipment; OR Irrevocable L/C at sight. |
Delivery Time | within 30 days of receipt of LC original or prepayment |
Our Advantage
* Professional Personnel of Steel Trading
* Strong Steel Industry Background
* Conveniently Geographic Location
FAQ
Q: How do you guarantee the quality of your product?
A: Every process will be checked by responsible QC which insures every product's quality.
Q: How much is your delivery time?
A: Normally within 30 days of receipt of LC original or prepayment, but mostly according to the
specific requirements or the quantity
Q: I need sample, could you support?
A: We can supply you with the sample for free, but the delivery charges will be covered by our customers.
For avoiding the misunderstanding, it is appreciated if you can provide the International Express Account for
Freight Collect. Also you can have a visit to us, welcome to CNBM!
- Q: What are the safety precautions while handling steel coils?
- To prevent accidents and injuries when dealing with steel coils, it is crucial to adhere to specific safety measures. Consider the following key precautions: 1. Personal Protective Equipment (PPE): It is essential to wear suitable PPE, including steel-toed boots, safety glasses, gloves, and a hard hat. This protective gear will safeguard against potential hazards like falling objects, sharp edges, and flying debris. 2. Training and Proper Lifting Techniques: Ensure that workers handling steel coils have received thorough training in safe lifting techniques. This involves lifting with the legs, maintaining a straight back, and avoiding twisting motions. By utilizing proper lifting techniques, the risk of back strains and injuries can be minimized. 3. Secure Storage and Stacking: When storing or stacking steel coils, ensure they are placed on a stable and level surface. Employ appropriate storage equipment like racks or pallets to prevent coils from shifting or falling. Stack the coils securely to prevent 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. Conduct regular maintenance on equipment like forklifts or cranes used for moving the coils to ensure safe operation. 5. Communication and Signaling: Implement clear communication and signaling protocols among workers involved in handling steel coils. This can involve hand signals or radio communication to coordinate movements and prevent accidents, especially in areas with limited visibility. 6. Load Limits and Capacity: Be aware of the load limits and capacity of the equipment used to move steel coils, such as forklifts or cranes. Overloading equipment can lead to instability, tipping, or collapse, thereby increasing the risk of accidents and injuries. 7. Proper Lashing and Securing: When transporting steel coils, employ appropriate lashing and securing methods to prevent movement or falling during transportation. This may entail using straps, chains, or other restraints to keep the coils securely in place. 8. Emergency Preparedness: Establish an emergency plan 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 easily accessible. By adhering to these safety precautions, the likelihood of accidents and injuries when handling steel coils can be significantly reduced, creating a safer work environment for all individuals involved.
- Q: I was just thinking, is their a way to make steel qualities inherent in concrete, therefore eliminating the need for re bar?
- There is an iron powder reinforced concrete flooring that improves abrasion resistance. However, you cannot get the tensile strength enhancement that is possible with rebar.
- Q: What bike companies make the best Steel Road bikes?
- Giant brand road bikes
- Q: What are the common coil finishes available for steel coils?
- Steel coils can be finished in various ways to serve different purposes and achieve different aesthetic appearances. Some popular coil finishes include: 1. Hot-dip galvanized: By immersing the steel coil in molten zinc, a protective layer is formed on its surface. This finish is ideal for outdoor applications like roofing, fencing, and automotive parts due to its excellent corrosion resistance. 2. Galvannealed: Achieved by annealing the hot-dip galvanized coil, this finish gives a matte gray appearance. Galvannealed coils have enhanced paint adhesion, making them suitable for subsequent painting or powder coating in applications like appliances and furniture. 3. Electro-galvanized: A thin layer of zinc is electroplated onto the surface of the steel coil in this process. Electro-galvanized finishes offer good corrosion resistance and are commonly used indoors, such as in electrical enclosures, HVAC systems, and automotive components. 4. Pre-painted or coated: These finishes involve applying a layer of paint or a coating system to the steel coil, improving its appearance and providing extra protection. Pre-painted coils are extensively used in construction, appliances, and automotive industries due to their aesthetic appeal and corrosion resistance. 5. Bare or mill finish: This refers to the untreated, raw steel coil without any additional coatings or finishes. Bare steel coils are commonly used in applications where corrosion resistance is not the main concern, such as structural components, pipes, and tubes. These are just a few examples of the many coil finishes available for steel coils, each offering unique properties and advantages depending on the intended use. Carefully considering the specific requirements of the application is important when choosing the most suitable coil finish.
- Q: What are the common methods of joining steel coils?
- Various techniques can be employed to join steel coils, depending on the desired outcome and specific application. Butt welding is a commonly utilized method wherein the two ends of the steel coils are aligned and welded together. Gas welding, electric resistance welding, or laser welding can be employed for this purpose. This technique yields a strong and continuous joint without the need for additional material. For temporary or low-stress applications where disassembly may be necessary, overlapping and stitching is an option. In this technique, one end of the steel coil is overlapped onto the other end and fastened together using mechanical means such as staples, nails, or screws. Mechanical couplings are another means of joining steel coils. These couplings are designed to fit over the coil ends and securely hold them together. They are commonly used in pipelines where the joint must be leak-proof and capable of withstanding high pressure. Adhesive bonding is a method that involves applying a suitable adhesive or bonding agent to the coil ends and pressing them together. This technique results in a clean and visually appealing joint, although the strength may vary depending on the adhesive used. Similar to overlapping and stitching, overlapping and welding involves overlapping the coil ends and welding them together. However, instead of using mechanical fasteners, welding is employed to create a stronger and more permanent joint. This method is frequently employed in structural applications that require high strength and durability. It should be noted that the selection of a joining method depends on factors such as the type of steel, application requirements, and desired joint strength. Careful consideration should be given to ensure that the chosen method is suitable for the specific project.
- Q: How are steel coils tested for flatness and straightness?
- Steel coils are tested for flatness and straightness using various methods such as visual inspection, measurement tools like straightedges or laser devices, and specialized equipment like leveling machines. These tests ensure that the steel coils meet the required standards and are free from any deformities or deviations in their flatness and straightness.
- Q: How are steel coils used in the manufacturing of chassis frames?
- Steel coils are used in the manufacturing of chassis frames by being shaped and welded to form the structural backbone of vehicles. These coils are typically cut and pressed into specific shapes to create the necessary strength and rigidity required for chassis frames.
- Q: What are the different methods of coil flattening for steel coils?
- Coil flattening for steel coils can be achieved through various methods, each having its own advantages and limitations. Some commonly employed techniques are as follows: 1. Roller leveling: By passing the steel coil through a series of rollers that exert pressure, this method flattens the coil. The rollers can be adjusted to achieve the desired level of flatness. Roller leveling is a versatile approach capable of handling a wide range of coil sizes and thicknesses. 2. Precision leveling: This method employs a more advanced leveling machine that applies pressure to specific areas of the coil to eliminate any waviness or defects. Precision leveling is commonly used for high-quality steel coils that require exceptionally flat surfaces. 3. Stretch leveling: Also known as tension leveling, this technique involves stretching the steel coil beyond its yield point, causing permanent deformation and flattening. Stretch leveling is frequently used for thinner gauge coils and effectively eliminates coil set and crossbow defects. 4. Temper rolling: This method subjects the steel coil to a controlled low-temperature heat treatment followed by cold rolling. The combination of heat and cold rolling helps relieve internal stresses and improve flatness. Temper rolling is particularly suitable for coils that require enhanced surface quality. 5. Laser flattening: This advanced method utilizes laser technology to selectively heat and flatten specific areas of the coil. Laser flattening is highly precise and capable of correcting localized defects or unevenness. However, due to its higher cost, it is typically used for smaller coils. It is essential to consider various factors, such as desired flatness requirements, coil dimensions, material properties, and production budget, when selecting the most appropriate coil flattening method.
- Q: What are chemical properties of high speed steel? Physical properties?What is high speed steel used for? One interesting fact about high speed steel?
- wikipedia: High speed steel (often abbreviated HSS, sometimes HS) is a material usually used in the manufacture of machine tool bits and other cutters. It is often used in power saw blades and drill bits. It is superior to the older high carbon steel tools used extensively through the 1940s in that it can withstand higher temperatures without losing its temper (hardness). This property allows HSS to cut faster than high carbon steel, hence the name high speed steel. At room temperature, in their generally recommended heat treatment, HSS grades generally display high hardness (above HRC60) and a high abrasion resistance (generally linked to tungsten content often used in HSS) compared to common carbon and tool steels. see reference for more info .
- Q: Steel, Sturm, and Kitiara are in a series called the Dragonlance Chronicles.
- Steel Brightblade
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Steel coil aluzinc coating in different size
- Ref Price:
-
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 17654 m.t./month
OKorder Service Pledge
OKorder Financial Service
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