Galvanized Steel Coil SHS ASTM A653 CNBM

Galvanized Steel Coil SHS ASTM A653 CNBM

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 20 m.t.

Supply Capability:: 3000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

Quick Details

Standard: ASTM
Grade: SHS
Type: Steel Coil
Surface Treatment: Galvanized
Application: Solution hardened 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.
(4) Type of oiling: oiled and unoiled.
(5) Coil ID: 508/610mm.
(6) Grade: HX380LAD+Z; Application: high strength steel for cold forming.

Zinc Coating

Tensile Test Characteristics

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.

Galvanized Steel Coil SHS ASTM A653 CNBM

Q: What are the different types of steel coil coatings for corrosion resistance?: Steel coil coatings can be classified into two main types: organic coatings and metallic coatings. 1. Organic coatings are commonly used for steel coil applications due to their excellent corrosion resistance and durability. There are four types of organic coatings: - Polyester coatings: These coatings offer good weatherability and resistance to chemicals, making them suitable for outdoor applications. - PVDF coatings: These coatings are highly resistant to UV radiation, weathering, and chemicals. They provide exceptional durability and are often used in demanding environments such as coastal areas or industrial settings. - Polyurethane coatings: These coatings offer excellent abrasion resistance and a high level of corrosion protection. They are commonly used in applications where there is a higher risk of mechanical damage or exposure to harsh conditions. - Epoxy coatings: These coatings provide excellent adhesion and chemical resistance. They are often used in industrial applications where resistance to chemicals, solvents, and oils is required. 2. Metallic coatings provide effective corrosion protection and can be further divided into two types: - Galvanized coatings: These coatings involve applying a layer of zinc to the steel surface through a hot-dip or electroplating process. This creates a barrier between the steel and the surrounding environment, providing effective corrosion protection. Galvanized coatings are widely used in various industries due to their cost-effectiveness and good durability. - Galvannealed coatings: These coatings are similar to galvanized coatings but undergo an additional heat treatment process. This results in a coating with increased hardness and improved paint adhesion, making it suitable for applications that require additional surface protection or paintability. When selecting the appropriate steel coil coating, it is essential to consider the specific requirements of the application and the level of corrosion resistance needed. Consulting with coating manufacturers or industry experts can help determine the most suitable coating for a particular application.

Q: How are steel coils inspected for thickness?: To ensure their quality and compliance with industry standards, steel coils undergo inspections for thickness using a range of methods. One widely used approach is the utilization of a non-contact laser measurement system. This technique involves directing a laser beam towards the surface of the steel coil and measuring the time it takes for the beam to reflect back. By accurately calculating this time, the thickness of the steel coil can be determined. Another method involves the use of ultrasonic technology. Ultrasonic sensors emit high-frequency sound waves that penetrate the coil. These sound waves bounce back differently depending on the thickness of the steel, enabling the sensors to measure the thickness accurately. In addition, some manufacturers may choose to employ the eddy current testing method. This method involves passing an alternating current through a coil, thereby generating a magnetic field. The thickness of the steel coil affects the impedance of the coil, which can be measured. By analyzing the changes in impedance, the thickness of the steel coil can be evaluated. Furthermore, some companies utilize a mechanical method known as the caliper method. This technique involves physically measuring the thickness of the steel coil by applying pressure to the coil and reading the measurement on a caliper gauge. Regardless of the method utilized, it is essential to inspect steel coils for thickness to ensure they conform to the required specifications and meet the desired performance criteria for various applications.

Q: 911 conspiacy theorists. Can fire melt steel?: Don't know the differences in steel strength between the WTC towers and the bridge, but I'll tell you they don't always use the strongest steel in buildings. It is a question of value engineering. Engineers do as code requires, and make the determination based on economics of building. If a steel member requires say 48 KSI, with certain span, but if the price is less expensive to use 35 KSI and reduce the span by adding vertical elements then that is an option that the architects, engineers and developers consider. Like I said, don't much about bridge engineering, but in buildings, it isn't always the strongest steel, based on engineering and economics. And BTW, said time and time again, but ok one more time. STEEL DOESN'T NOT HAVE TO MELT FOR FAILURE. IT LOSES STRENGTH WITH HEAT. THAT IS WHY IT MUST BE PROTECTED BY FIRE RETARDANT. BUT IF THE FIRE RETARDANT IS REMOVED BY EXPLOSION, THEN FIRE CAN CAUSE FAILURE. Sorry for the shouting, but I'm not the only one who says that, but people keep saying steel can't melt, but it doesn't have to for failure. If the steel joist had been in concrete, the WTC towers may have stood, at least longer. But hindsight is 20/20.

Q: How are steel coils used in the manufacturing of body panels?: Steel coils are used in the manufacturing of body panels by being processed and shaped into flat sheets or strips. These sheets or strips are then further formed, cut, and welded to create various body panels, such as doors, hoods, and fenders, which are essential components of vehicles.

Q: How are steel coils processed and shaped for specific applications?: Steel coils are processed and shaped for specific applications through a series of steps. First, the coils are uncoiled and flattened to remove any bends or curls. Then, they undergo various processes such as cutting, slitting, or shearing to achieve the desired dimensions. Next, the steel is often subjected to heat treatment, such as annealing or tempering, to enhance its strength and flexibility. Finally, the steel is shaped into specific forms using techniques like rolling, bending, or stamping, to meet the requirements of different applications ranging from automotive parts to construction materials.

Q: How are steel coils used in the production of pressure vessels?: Steel coils are used in the production of pressure vessels as they provide a strong and durable material for constructing the vessel's shell. The coils are typically formed and welded to create the cylindrical shape of the vessel, ensuring it can withstand high pressure and contain fluids or gases safely.

Q: How are steel coils used in the production of electrical transmission poles?: The production of electrical transmission poles relies heavily on steel coils, which are crucial for their strength and durability. These coils, made from high-quality steel, are used to create the poles' main body. They are unrolled and shaped into large cylindrical sections, which are then welded together to form the structure of the pole. This manufacturing process allows for the customization of poles in terms of length, diameter, and wall thickness to meet specific transmission requirements. The utilization of steel coils guarantees that transmission poles possess the necessary structural integrity to withstand demanding conditions such as heavy electrical conductors and environmental factors like wind, ice, and seismic activities. Steel, known for its high strength-to-weight ratio, is an ideal material for these poles as it provides the required strength while keeping the overall weight of the pole relatively low. Furthermore, steel coils also serve in the fabrication of flanges and brackets that attach to the poles. These components are essential for securing and supporting electrical conductors and insulators on the poles. By using steel coils, flanges and brackets can be manufactured with precise dimensions and strength, ensuring a secure and reliable connection between the electrical components and the transmission poles. Apart from their structural advantages, steel coils also offer excellent resistance to corrosion. This characteristic is particularly important for electrical transmission poles, which are exposed to harsh weather conditions and corrosive environments. To enhance the lifespan of the poles, steel coils are typically coated with protective layers such as zinc or epoxy to prevent rust and corrosion. To summarize, steel coils play a vital role in the production of electrical transmission poles. They are used to fabricate the main body of the poles, as well as the flanges and brackets that secure the electrical components. With their high strength, durability, and corrosion resistance, steel coils ensure that transmission poles can safely and reliably support electrical conductors for efficient electricity transmission.

Q: What are the safety precautions to be followed while handling steel coils?: To prevent accidents and injuries when dealing with steel coils, it is crucial to adhere to specific safety measures. Here are some safety measures that must be observed: 1. Personal Protective Equipment (PPE): Always wear suitable PPE, including safety glasses, gloves, steel-toed boots, and hard hats. These items serve to shield you from potential dangers such as falling objects, sharp edges, and chemicals. 2. Proper Lifting Techniques: Employ correct lifting techniques to avoid strains and back injuries. Lift using your legs, not your back, and refrain from making sudden or twisting movements while handling the coils. If the coils are excessively heavy or cumbersome to lift manually, resort to mechanical lifting equipment such as forklifts or cranes. 3. Secure Storage: Ensure that steel coils are stored securely and stably to prevent them from falling or rolling over. Make use of appropriate racks, shelves, or storage containers specifically designed for steel coils. Keep the storage area clean, organized, and devoid of obstructions. 4. Handling Tools: Utilize appropriate handling tools like coil hooks, lifting clamps, or coil tongs to firmly grasp the steel coils. Avoid using makeshift or improper tools, as they can cause the coils to slip, leading to accidents. 5. Secure Transportation: Prior to transporting steel coils, ensure that they are adequately secured on the truck or flatbed. Utilize suitable tie-downs, straps, or chains to prevent the coils from shifting or falling during transit. Adhere to all transportation regulations and guidelines to ensure safe transportation. 6. Awareness of Surroundings: Maintain awareness of your surroundings and the presence of other workers or equipment in the vicinity. Keep a safe distance from moving machinery, forklifts, or other vehicles to avoid collisions or accidents. 7. Hazard Communication: Train all employees handling steel coils on proper safety procedures and ensure that they comprehend the potential hazards involved. Display safety signs or labels to indicate the presence of heavy loads or hazardous materials. 8. Regular Maintenance: Regularly inspect and maintain equipment such as lifting devices or storage racks to ensure they are in proper working condition. Promptly report any defects or malfunctions to the relevant personnel for repairs. By adhering to these safety precautions, the risk of accidents, injuries, and damage when handling steel coils can be minimized. Prioritizing safety in the workplace is crucial to safeguarding yourself and your colleagues.

Q: How are steel coils used in the manufacturing of railway bridges?: Steel coils are used in the manufacturing of railway bridges as they are transformed into structural components such as beams, plates, and girders. These coils are processed and shaped into the desired forms, providing the necessary strength and durability for the bridge's construction.

Q: How are steel coils weighed?: Steel coils are typically weighed using industrial weighing scales or load cells. These devices are capable of accurately measuring the weight of the coils, whether they are small or large in size. The coils are placed on the scale or load cells, and the weight is digitally displayed or recorded for further analysis or documentation.

Send your message to us

*Email

*TEL

*Quantity

*Unit