Galvanized Cold Rolled Sheet Coil for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
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Brief Introduction
1. Prepainted Galvanized Steel Coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized steel sheets.
2. The base metal for Prepainted Galvanized Steel Coil is HDGI Steel. The finish coats of Prepainted Galvanized Steel Coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.
3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.
4. The color of the Prepainted Galvanized Steel Coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.
5. The Prepainted Galvanized Steel Coil can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.
Specification
1. Thickness: 0.3-0.8mm
2. Width: 914-1250mm
3. Inner Diameter: 508mm
4. Weight of Steel Coil: 3-15MT
5. Available Dipped Layer: 50-150g/m2
6. Surface Texture: Normal Coated
7. Type of coating structure: 2/1 Coat the top surface of the steel sheet twice, coat the bottom surface once, and bake the sheet twice.
8. Front Side Paint Thickness: 15-25μm (bottom paint+top paint)
9. Back Side Paint Thickness: 5-10μm
Mechanical Properties
1. Mechanical properties of base metals
Grade | Tensile Test | ||
Yield Strength MPa | Tensile Strength MPa | Elongation A80mm % ≥ | |
DX51D+Z | 140-350 | 270-500 | 22 |
DX52D+Z | 140-300 | 270-420 | 26 |
DX53D+Z | 140-260 | 270-380 | 30 |
2. Common performance of front coating
(1). Thickness: ≥20μm
(2). Pencil Hardness: 2H
(3). 60° specular glossiness of coating: >60
(4). 180°bend: ≤3T
(5). Impact: ≥9J
(6). Salt Fog Resistant: ≥500h
(7). Color difference: <3ΔE
- Q: How are steel coils used in the manufacturing of telecommunications equipment?
- Steel coils are used in the manufacturing of telecommunications equipment for various purposes. They are often used to create the framework and structure of the equipment, providing stability and support. Additionally, steel coils can be used for manufacturing components such as brackets, mounts, and enclosures, ensuring durability and protection for the sensitive electronic components inside the equipment.
- Q: What are the different types of steel coil handling equipment used during processing?
- There are several types of steel coil handling equipment used during processing, including coil cars, coil cradles, coil tilters, coil lifters, coil grabs, and coil transfer cars. These pieces of equipment are designed to safely and efficiently handle steel coils and facilitate their movement throughout the processing facility.
- Q: What are the factors affecting the price of steel coils?
- There are several factors that can affect the price of steel coils. These include the cost of raw materials used in the production of steel, such as iron ore and coal. Additionally, the global supply and demand for steel can also impact prices. Other factors can include currency exchange rates, trade policies, transportation costs, and market competition. Overall, the price of steel coils is influenced by a combination of economic, environmental, and geopolitical factors.
- Q: explain what happen if carbon steel is exposed to an oxygen rich atmosphere at elevated temperature inside a furnace.
- Assuming the steel isn't actually melted, two things will happen. First, a layer of iron(ii) oxide, FeO will slowly develop on the surface, getting thicker over time. This layer is usually poorly bonded to the metal surface, it tends to flake off, exposing fresh metal. This is known as mill scale, it's also known as wustite which is the mineral term. Second, the surface of the steel will become decarburized, essentially becoming pure iron, not steel. The depth of the decarburized layer depends on the temperature, time, and the diffusivity of carbon in the steel at the given temp. This has some implications to engineering, in hot-rolling or forging of steel shapes for example. It's often the case that the stress and strain in a material is greatest at or near the surface. Therefore the weakened, decarburized layer at the surface may have a much greater detrimental effect on the steel's performance than might be expected. In a more specific example, die and tool steels depend on their carbon content for their strength and wear resistance, Therefore if such steels are heated in an oxidzing atmosphere, wear resistance is totally destroyed: The thin decarburized iron layer will be extremely soft and malleable.
- Q: Can steel coils be transported by air?
- Yes, steel coils can be transported by air. Air freight companies have the capability to transport heavy and oversized cargo, including steel coils, using specialized aircraft and equipment. However, due to their weight and size, transporting steel coils by air can be more expensive compared to other modes of transportation such as sea or rail.
- Q: What are the common methods of joining steel coils together?
- Common methods of joining steel coils together include welding, mechanical fastening (such as using bolts or screws), adhesive bonding, and interlocking methods.
- Q: What are the dimensions of steel coils used in the electrical equipment industry?
- The dimensions of steel coils used in the electrical equipment industry can vary depending on the specific application and requirements. However, common dimensions for steel coils used in this industry range from 0.25mm to 3mm in thickness and 600mm to 2000mm in width. The inner diameter of the coil is typically around 508mm, while the outer diameter can vary from 800mm to 2000mm. These dimensions ensure compatibility with various electrical equipment manufacturing processes and enable efficient production.
- Q: How do steel coils contribute to the manufacturing of oil and gas equipment?
- Steel coils play a vital role in the production of oil and gas equipment, as they are an essential component. Typically, these coils are made from high-quality steel that is durable, strong, and resistant to corrosion. This makes them ideal for enduring the harsh environments and conditions encountered in the oil and gas industry. One of the primary uses of steel coils in oil and gas equipment manufacturing is in the creation of pressure vessels. These vessels are crucial for storing and transporting fluids and gases under high pressure. Steel coils are used to form the cylindrical shells of these vessels, providing the necessary strength and structural integrity to withstand the internal pressure. Steel coils are also utilized in the construction of oil and gas pipelines. These pipelines are responsible for transporting large quantities of oil and gas over long distances. Steel coils are used to manufacture the pipes that compose these pipelines, ensuring they have the necessary strength, durability, and resistance to corrosion. The coils are rolled and welded to create seamless or welded pipes, which are then coated or lined to prevent corrosion and increase their lifespan. Additionally, steel coils are instrumental in the production of drilling equipment used for extracting oil and gas. This equipment includes drill bits, casings, and wellheads, which are essential for drilling and completing wells. The coils are used to fabricate these components, ensuring they can withstand the demanding conditions encountered during drilling operations. Aside from their structural applications, steel coils are also used in the manufacturing of ancillary equipment like tanks, storage containers, and heat exchangers. These components play a crucial role in the processing, storage, and distribution of oil and gas. Steel coils provide the necessary strength and durability to handle the harsh conditions and corrosive substances encountered in these processes. In conclusion, steel coils are indispensable in the manufacturing of oil and gas equipment. Their strength, durability, and resistance to corrosion make them a preferred choice in the industry. By contributing to the fabrication of pressure vessels, pipelines, drilling equipment, and ancillary components, steel coils ensure the safe and efficient extraction, processing, and transportation of oil and gas.
- Q: What are the common coil storage methods?
- The common coil storage methods include stacking in a vertical or horizontal position, using coil cradles or racks, and utilizing coil drums or shafts for secure storage.
- Q: steel welding with ms steel iron
- Welding austenitic stainless steels to carbon and low alloy steels are established methods in the process and construction industries. Dissimilar metal welds involving stainless steels can be done using most full fusion weld methods, including TIG (Tungsten Inert Gas) and MIG (Metal Inert Gas). Weld procedures using filler (consumable) enable better control of joint corrosion resistance and mechanical properties. In selecting the weld filler, the joint is considered as being stainless, rather than the carbon steel. Over-alloyed fillers are used to avoid dilution of the alloying elements in the fusion zone of the parent stainless steel.
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Galvanized Cold Rolled Sheet Coil for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 36 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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