Hot Dipped Galvanized Steel Coil for constructions

Hot Dipped Galvanized Steel Coil for constructions System 1

Hot Dipped Galvanized Steel Coil for constructions System 2

Hot Dipped Galvanized Steel Coil for constructions

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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Basic Info.

Model NO.:GT00818

Surface Treatment:Galvanized

Additional Info.

Packing:At buyer′s requirement

Standard:GB,JIS,ASTM

Origin:CHINA

HS Code:72123000

Production Capacity:50,000 mt/year

Product Description

Commodity: Hot dipped galvanized steel coil

Size: Thickness: 0.20mm to 1.2mm; Width: 500mm to 820mm

Surface finish: Regular spangle; Small spangle

Surface treatment: Chromated passivation

Zinc coating: Z08, Z12, Z18

Packing: Mill's standard packing for exporting

Usage: used in the industries such as construction ,cold rolling forming and electro mechanics manufacturing, household electric appliance manufacturing and etc

Standard adopted: GB/T2518-1998;Also we supply such steel strips according to JIS,ASTM standard to meet users'requirements.

Steel grade: Q195,Q195L,SPCC(Other material require agreement )

Equivalent standard: JIS G3302 1998 or ASTM A653M/A924M 1998

Price Terms: FOB, CIF Term

Payment Terms: T/T, L/C at sight

Delivery: 30 days after receiving your valid L/C/down payment

Q: What are the pros with stainless steel? You don't have to oil them as much or you don't have to oil them at all?Is the rifling in the barrel typically stainless steel as well? if so, is this better accuracy or does the rifling last longer then conventional?are they worth the extra money?Thanks for any info you can provide!: The other posters here have already covered the pros of stainless steel firearms. I think they are just fine and actually require less maintenance. But, allow me to add one negative note about stainless. It may seem minor, but I have personally had an issue with it. Stainless steel will reflect sunlight and other light sources. I recall a few occassions when I was shooting my Ruger Red Label, that only has a dull finished stainless steel receiver, where the sun was starting to set in the evening and the sunlight was reflecting off the very small portion of receiver that was in my light of sight - and it was blinding! Another time I was shooting a nickle plated SW revolver and the same thing happened (nickle is obviously very similar to polished stainless steel). It was like I was holding a mirror in my hands and the sunlight reflecting off of the surfaces of the revolver made it impossible to sight the gun. Also, stainless steel or nickle sights on any handgun or rifle are useless - you need either black or other colored ramps and rear sights. (The only excpetion being the small bead sights on the front of shotguns, which are used as a reference point only and are usually a dull silver finish.)

Q: How are steel coils protected against scratches and damage?: Steel coils are protected against scratches and damage through a variety of methods. One common method is the application of a protective coating or film on the surface of the coils. This coating acts as a barrier, preventing direct contact between the steel surface and any potential sources of scratches or damage. The protective coating can be made of materials like polyethylene, PVC, or other types of plastic that are resistant to abrasion and impact. Additionally, steel coils are often wrapped or packaged using materials such as paper, cardboard, or plastic. This wrapping provides an extra layer of protection against scratches and damage during storage, transportation, and handling. The wrapping material acts as a cushion, absorbing any potential impacts or friction that could lead to scratches. Furthermore, steel coils may be stored and transported in specially designed containers or pallets that are equipped with features to minimize the risk of damage. For instance, these containers or pallets may have padded interiors, secure fastenings, or dividers that keep the coils in place and prevent them from rubbing against each other. In some cases, steel coils are also stored or transported in a controlled environment to minimize the risk of damage. This can include temperature-controlled warehouses or shipping containers that help to prevent the formation of moisture, which can lead to corrosion or other types of damage. Overall, a combination of protective coatings, wrapping materials, specialized containers, and controlled environments is employed to ensure that steel coils are adequately protected against scratches and damage throughout their lifecycle.

Q: What are the common coil weights available for steel coils?: The common coil weights available for steel coils vary depending on the specific application and industry requirements. However, there are a few standard coil weights that are commonly available in the market. These include: 1. Light coils: Light coils typically have a weight range of 3 to 6 metric tons (6,000 to 13,000 pounds). These coils are commonly used in industries such as automotive, construction, and appliance manufacturing, where smaller, more manageable coil sizes are preferred. 2. Medium coils: Medium coils generally range in weight from 6 to 15 metric tons (13,000 to 33,000 pounds). These coils are utilized in a wide range of industries, including construction, infrastructure, and general manufacturing. 3. Heavy coils: Heavy coils are typically heavier than 15 metric tons (33,000 pounds) and can go up to 30 metric tons (66,000 pounds) or more. These coils are commonly used in industries like shipbuilding, heavy machinery manufacturing, and infrastructure projects that require large and sturdy steel components. It's important to note that these weight ranges are not fixed and can vary depending on the specific requirements of the customer or industry. Additionally, some manufacturers may offer custom coil weights to suit unique project needs. It is always recommended to consult with a steel supplier or manufacturer to determine the most suitable coil weight for a specific application.

Q: What are the different methods of tempering steel coils?: There are several different methods of tempering steel coils, each with its own advantages and disadvantages. Some of the most common methods include: 1. Air cooling: This is the simplest and most common method of tempering steel coils. The coils are heated to a specific temperature and then allowed to cool naturally in ambient air. This method is relatively quick and cost-effective, but it can result in uneven cooling and may not provide as precise control over the final properties of the steel. 2. Water quenching: In this method, the steel coils are heated and then rapidly cooled by immersing them in a bath of water. Water quenching provides a more rapid and controlled cooling rate than air cooling, resulting in greater hardness and strength. However, it can also lead to increased distortion and the formation of internal stresses in the steel. 3. Oil quenching: Similar to water quenching, oil quenching involves immersing the steel coils in a bath of oil to rapidly cool them. Oil quenching provides a slower and more uniform cooling rate compared to water quenching, resulting in reduced distortion and internal stresses. However, it also produces slightly lower hardness and strength compared to water quenching. 4. Salt bath quenching: This method involves immersing the steel coils in a heated bath of molten salt to rapidly cool them. Salt bath quenching provides an even and controlled cooling rate, resulting in improved hardness and strength compared to air or water quenching. However, it requires specialized equipment and may not be suitable for all types of steel. 5. Induction hardening: In this method, the steel coils are heated using an induction heating process and then rapidly cooled using either air, water, or oil quenching. Induction hardening allows for precise control over the heating and cooling process, resulting in specific hardness and strength properties in desired areas of the steel. However, it requires specialized equipment and is typically used for specific applications or parts of the steel coils. Overall, the choice of tempering method depends on various factors such as the desired properties of the steel coils, the type of steel being used, and the specific requirements of the end application.

Q: How do steel coils contribute to the energy storage industry?: The energy storage industry benefits greatly from the use of steel coils in multiple ways. Initially, steel coils are instrumental in the fabrication of energy storage systems like batteries. Through their steel casing, batteries are provided with both structural support and protection for the battery cells, ensuring their safety and longevity. If not for steel coils, batteries would be more susceptible to damage and unable to function efficiently. Furthermore, the construction of flywheels, an alternative form of energy storage technology, heavily relies on steel coils. Flywheels store energy by spinning a rotor at high speeds and releasing the stored energy when necessary. Steel coils are employed to create the rotor, which necessitates strength, durability, and the ability to withstand substantial rotational forces. Additionally, the magnetic properties of steel contribute to the enhancement of energy transfer efficiency within the flywheel system. Moreover, compressed air energy storage (CAES) systems also utilize steel coils in their production. CAES systems store energy by compressing air and releasing it to generate electricity upon demand. Steel coils are crucial in constructing the air storage chamber, guaranteeing its integrity and preventing any leakage or damage. The robust nature of steel coils makes them ideal for enduring the high pressures associated with the compression process. To summarize, the energy storage industry greatly benefits from the utilization of steel coils. They provide essential structural support, durability, and protection to various energy storage technologies, whether it be batteries, flywheels, or CAES systems. By contributing to the efficient and secure storage of energy, steel coils facilitate the advancement and adoption of sustainable energy solutions.

Q: where can i find information online about steel residential homes that use solar energy?: Guide okorder /

Q: I want to purchase steel for construction purpose, What aspects should I keep in mind while deciding that which company should I contact for this?: I'd keep in mind whether your potential supplier is close enough to still give you good service, and provide delivery when you need it. I'd want to contact as many local companies as possible, in order to get competitive bids. Then, I'd pick the lowest cost bids that I felt would still provide the service I needed. Most decisions of this sort, in the end, are based on price.

Q: What is the process of pickling and oiling steel coils?: To ensure the quality and protection of steel coils, a series of steps are undertaken in the process of pickling and oiling. The first step involves pickling, wherein impurities and scale are removed from the surface of the steel coil. This is achieved by immersing the coil in an acid bath, such as hydrochloric acid or sulfuric acid, which effectively dissolves any oxides, rust, or contaminants present on the surface. This step is critical as it readies the steel for further processing and safeguards against potential defects or corrosion. Following pickling, the steel coils are rinsed with water to eliminate any residual acid and then dried. Once they are clean and dry, a layer of oil is applied to provide temporary corrosion protection and lubrication during subsequent handling and transport. The oil coating acts as a barrier, preventing rusting or oxidation before the steel undergoes further processing or is utilized in various applications. The oiling process can be executed through various methods. One common approach is to apply the oil using a roller or brush, ensuring an even coating across the entire surface of the coil. Alternatively, the coils can be passed through a bath or spray chamber where the oil is administered. The choice of oil depends on the specific requirements of the steel and its intended use, with options ranging from mineral oil and synthetic oils to specialized rust-preventive coatings. Once the oiling process is complete, the steel coils are typically stacked, wrapped, or packaged for storage or transportation. It is crucial to handle the coils with care to avoid damaging the oil coating and compromising the corrosion protection it provides. Overall, the pickling and oiling of steel coils are indispensable steps in the steel manufacturing process. They ensure the quality, cleanliness, and protection of the steel, thereby prolonging its lifespan and enhancing its performance in various applications.

Q: What are the various surface finishes available for steel coils?: Steel coils offer a range of surface finishes, each with its own properties and uses. Some commonly used finishes include: 1. Hot rolled: Steel is rolled at high temperatures, resulting in a rough surface. This finish is great for structural applications like construction materials and industrial machinery. 2. Cold rolled: Steel is rolled at room temperature, creating a smoother surface. It is commonly used in automotive and appliance manufacturing due to its superior finish and accuracy. 3. Galvanized: Steel is coated with zinc to protect against corrosion. Galvanized coils have a shiny appearance and are suitable for outdoor applications such as roofing and fences. 4. Electro-galvanized: Coated with a thinner layer of zinc through an electroplating process, these coils offer good corrosion resistance. They are commonly used in electrical appliances, automotive parts, and construction. 5. Pre-painted: Coated with paint or polymer film, pre-painted coils provide both corrosion protection and aesthetic appeal. They are extensively used in construction for roofing, cladding, and wall panels. 6. Stainless steel: Stainless steel coils have unique properties, including corrosion resistance, heat resistance, and chemical damage resistance. They are ideal for industries like food processing, medical equipment, and marine applications. These examples showcase the variety of surface finishes available for steel coils. The choice of finish depends on factors such as the intended use, desired appearance, and level of corrosion resistance required.

Q: How do steel coils contribute to sustainability in manufacturing?: Steel coils contribute to sustainability in manufacturing in several ways. Firstly, steel is a highly recyclable material, meaning that steel coils can be easily recycled and reused, reducing the need for new steel production and conserving natural resources. Additionally, steel is known for its durability and strength, resulting in longer-lasting products and reduced waste. Steel coils also play a vital role in energy-efficient manufacturing processes, as they can be easily formed into various shapes and sizes, optimizing material usage and minimizing energy consumption. Furthermore, steel's versatility makes it suitable for a wide range of applications, allowing manufacturers to create more sustainable products across industries. Overall, steel coils contribute to sustainability by promoting resource conservation, waste reduction, energy efficiency, and the production of durable and eco-friendly products.

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