Prepainted Galvanized Rolled Steel DX51D in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 500000 m.t./month
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Description:
prepainted galvanized steel usually refers to have substrateprocessed with surface processed and coated then(roller coated )or bonded organic thin film and baked, and it is able to be processed tofinal prodevtion .
specification
yield strength | (mpa) 280-320 |
tensile strength | (mpa) 340-390 |
elongation | 20%-30% |
reverse impact | 9j |
t-bending | ≥2t |
pencil hardness | ≥2h |
duration of salt spray test | 500 h |
bending at 180 degree | no crack, purling and fraction |
image
Application:
it can be widely used in transportation, light industry, civil usage and farming. it is also the perfect building material in construction for making steel roofing,insulation panel, corrugate sheet, facade wall,shutters,t-bar and home appliance.
- Q: How do steel coils impact the environment?
- Steel coils impact the environment in several ways. Firstly, the production of steel coils requires large amounts of energy and resources, leading to increased greenhouse gas emissions and depletion of natural resources. Additionally, the manufacturing process generates air and water pollution, contributing to environmental degradation. Furthermore, the disposal of steel coils after use can result in land pollution if not properly managed. Overall, the production and use of steel coils have a significant environmental footprint.
- Q: The hard industrial steels. If there's a bunch, what's a rough average? Also, what is is measured in?
- There is no average, it depends on the type of steel (hundreds) and the (heat/surface) treatment (infinite possibilities). The Rockwell hardness range covers a large scale so for any given range there is a suffix (C is used for most steel) to denote the selected range. The number is a dimensionless constant that correlates to the strength of the material. Materials can also be surface (case) hardened and then the bulk material will be soft and the surface will be hard, this is typical for items like gears and cams that have rolling wear but are not very heavily stressed to require bulk hardness. Most steel that is hardened is first machined to size and then hardened. If more accuracy is required, they are machined to just over net size, hardened and then ground to the final size as the heat treatment can change the size and shape a little as stresses are released. Some examples: Very hard steel (e.g. a higher quality knife blade): HRC 55–66 Axes, chisels, etc.: HRC 40–45 4140 Cr Mb Steel HRC 28 - 36 , bulk hardened to HRC 54, Nitride case hardened to HRC 60 P20 tool steel can be bulk hardened to over HRC 55 and then tempered down from HRC 51 to 28
- Q: If you combine stainless steel with gold, does that make stainless gold?
- Nope, Stainless Steel is a tradename for a certain alloy. Regular Steel, which is formed from Ferrous Oxide (via the Bessimer Process). The stainless part is because they mixed in some other compound to give it unique qualities. Gold, on the other hand, is a pure element, and it can form alloys with other metals, but there are no guarantees what the properties will be
- Q: What are the main factors that affect the flatness of steel coils?
- The main factors that affect the flatness of steel coils include the quality and consistency of the incoming raw material, the precision of the rolling process, the tension applied during rolling, the cooling and annealing processes, and the handling and storage of the finished coils.
- Q: What are the different thickness tolerances for steel coils?
- The different thickness tolerances for steel coils can vary depending on the specific grade and type of steel being used, as well as the industry standards and customer requirements. However, common thickness tolerances for steel coils typically range from +/- 0.005 inches to +/- 0.020 inches, with tighter tolerances available for certain applications.
- Q: What are the different methods of coil joining for steel coils?
- There are several different methods of coil joining for steel coils, each with its own advantages and limitations. Some of the commonly used methods include: 1. Welding: This is one of the most popular methods of coil joining. It involves using heat to melt and fuse the edges of the steel coils together. Welding can be done using various techniques such as arc welding, resistance welding, or laser welding. It provides a strong and durable joint, but it can be time-consuming and may require skilled operators. 2. Mechanical fastening: This method involves using mechanical fasteners like clips, staples, or bolts to join the edges of the steel coils. Mechanical fastening is relatively quick and easy, and it allows for easy disassembly if required. However, it may not provide as strong a joint as welding and can be susceptible to loosening over time. 3. Adhesive bonding: Adhesive bonding involves using a suitable adhesive or glue to bond the edges of the steel coils together. This method provides a strong and uniform joint, and it can also help to seal and protect the joint from corrosion. However, adhesive bonding may require surface preparation and curing time, and it may not be suitable for high-temperature applications. 4. Interlocking or tongue-and-groove joints: This method involves shaping the edges of the steel coils in a way that they interlock or fit together like a puzzle piece. Interlocking joints provide good alignment and can be easily assembled and disassembled. However, they may not provide as strong a joint as welding or mechanical fastening. 5. Coil-overlapping: In this method, the edges of the steel coils are overlapped and clamped together using mechanical means. Coil-overlapping is a simple and cost-effective method, but it may not provide a strong joint and can result in uneven coil edges. It's important to consider factors such as the application requirements, strength requirements, cost, and production efficiency when choosing the appropriate method of coil joining for steel coils.
- Q: How are steel coils used in the production of storage racks and shelving?
- Steel coils are used in the production of storage racks and shelving by being processed into flat sheets or strips, which are then formed, shaped, and welded to create the various components of the racks and shelves. The strength and durability of the steel coils make them ideal for supporting heavy loads and ensuring the stability and longevity of the storage racks and shelving systems.
- Q: What are the environmental impacts of steel coil production?
- The environmental impacts of steel coil production include air and water pollution, deforestation, energy consumption, and greenhouse gas emissions. The production process involves the extraction of raw materials, such as iron ore and coal, which can lead to habitat destruction and soil erosion. Additionally, the high energy requirements and use of fossil fuels contribute to air pollution and greenhouse gas emissions, exacerbating climate change. The wastewater generated during production may contain harmful chemicals that can contaminate water sources and harm aquatic life. Overall, steel coil production has significant environmental implications that need to be addressed through sustainable practices and innovative technologies.
- Q: How are steel coils used in the production of metal bridges?
- Due to their versatility, strength, and durability, steel coils are a crucial element in the manufacturing of metal bridges. These coils, typically made from high-quality steel alloys, provide the necessary structural integrity required for bridge construction. To begin the process of using steel coils for bridge production, they undergo a series of manufacturing techniques. The coils are uncoiled and straightened to eliminate any distortions or bends. They are then precisely cut into lengths according to the specifications of the bridge design. Once the steel coils have been processed, they are transformed into various structural components used in bridge construction. These components include beams, girders, trusses, and plates. Beams and girders serve as the primary support structure of the bridge, while trusses provide additional support and stability. Plates are used for the bridge deck, providing a surface for vehicles and pedestrians to travel on. Steel coils also play a critical role in the fabrication of bridge connections and joints. These connections are essential for transmitting loads and forces throughout the bridge structure, ensuring its stability and safety. Steel coils are utilized in the creation of various connection elements, such as bolts, nuts, washers, and welded sections. Furthermore, steel coils are commonly employed in the production of bridge reinforcements. Rebar, which is used to strengthen concrete elements within the bridge, is manufactured from steel coils. By enhancing the load-bearing capacity and resistance to bending and tension, these reinforcements strengthen columns, piers, and abutments. In addition to their structural applications, steel coils are also utilized for protective coatings on metal bridges. They can be coated with specialized materials like zinc, epoxy, or paint to prevent corrosion and extend the bridge's lifespan. These coatings are especially important in harsh environments with high levels of moisture, chemicals, and weathering factors, as they help maintain the bridge's structural integrity. Overall, steel coils are the foundation of metal bridge production. They are transformed into various components, connections, reinforcements, and protective coatings that ensure the bridge's strength, durability, and longevity.
- Q: How are steel coils used in the manufacturing of metal structures?
- Steel coils are used in the manufacturing of metal structures as they provide a convenient and efficient way to shape and form steel into various components. These coils are often processed through rolling mills to produce sheets or plates, which can then be cut, bent, or welded to create structural elements such as beams, columns, and trusses. The use of steel coils ensures uniformity, strength, and flexibility in the manufacturing process, allowing for the production of durable and reliable metal structures.
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Prepainted Galvanized Rolled Steel DX51D in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 500000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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