• Prime quality prepainted galvanized steel 635mm System 1
  • Prime quality prepainted galvanized steel 635mm System 2
  • Prime quality prepainted galvanized steel 635mm System 3
  • Prime quality prepainted galvanized steel 635mm System 4
  • Prime quality prepainted galvanized steel 635mm System 5
  • Prime quality prepainted galvanized steel 635mm System 6
Prime quality prepainted galvanized steel 635mm

Prime quality prepainted galvanized steel 635mm

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Construction building material galvanized color prepainted cold

rolled steel coil

 

Prepainted steel sheet is coated with organic layer, which provides higher anti-corrosion property and

a longer lifespan than that of galvanized steel sheets.

 

The base metals for prepainted steel sheet consist of cold-rolled, HDG electro-galvanized and hot-dip

Alu-zinc coated. The finish coats of prepainted steel sheets can be classified into groups as follows:

polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc

Prime quality prepainted galvanized steel 635mm

 

Standard and Grade :

Pre-paint galvanized steel coil



ASTM A755M-03

EN10169:2006

JISG 3312-2012

Commercial quality

                  CS

DX51D+Z

CGCC

 

 

 

Structure steel

SS GRADE 230

S220GD+Z

CGC340

SS GRADE 255

S250GD+Z

CGC400

SS GRADE 275

S280GD+Z

CGC440

SS GRADE 340

S320GD+Z

CGC490

SS GRADE550

S350GD+Z

CGC570


S550GD+Z


Application:

Outdoor

Roof, roof structure, surface sheet of balcony, frame of window, door of garage, rolled shutter door, booth, Persian blinds, cabana, etc

Indoor

Door, isolater, frame of door, light steel structure of house, home electronic appliances, ect.


Q:What are the specifications for tool steel billets used in the manufacturing of cutting tools?
The specifications for tool steel billets used in the manufacturing of cutting tools typically include factors such as high hardness, excellent wear resistance, good toughness, and high strength. Additionally, specific alloying elements and heat treatment processes are employed to enhance the performance and durability of the cutting tools.
Q:What are the different shapes available for steel billets?
Steel billets are manufactured in various shapes to cater to the diverse needs of different industries. Some of the available shapes for steel billets include: 1. Square Billets: These billets have equal sides, forming a square shape. They find extensive use in the construction industry for manufacturing beams, columns, and other structural components. 2. Round Billets: These billets have a circular cross-section and are commonly utilized in the production of seamless pipes, tubes, and rods. They are also employed in the automotive and aerospace sectors for manufacturing various components. 3. Rectangular Billets: These billets have unequal sides, forming a rectangular shape. They are frequently used in the construction industry to manufacture frames, window profiles, and other structural elements. 4. Hexagonal Billets: Hexagonal billets have six equal sides, forming a hexagon shape. They are commonly employed in the production of bolts, nuts, and other fasteners that require a hexagonal shape for proper fitting. 5. Octagonal Billets: Octagonal billets have eight equal sides, forming an octagon shape. They are often used in the manufacturing of special components and tools that require a unique shape for specific applications. 6. Slab Billets: Slab billets have a rectangular cross-section with a larger width compared to their height. They are primarily used for producing flat-rolled steel products such as sheets, plates, and coils. 7. Bloom Billets: Bloom billets have a square or rectangular cross-section with a larger size compared to regular billets. They are commonly utilized in the production of sections, bars, and rails. The choice of steel billet shape depends on the specific requirements of the desired end product and the manufacturing process involved. The versatility of steel billets makes them suitable for a wide range of applications in various industries.
Q:What are the potential defects or flaws in steel billets?
There are several potential defects or flaws that can occur in steel billets, which can affect the quality and performance of the final product. Some of these defects include: 1. Surface defects: Steel billets can develop surface cracks, scales, or scratches during the manufacturing process. These defects can weaken the material and reduce its structural integrity. 2. Internal defects: Inclusions, such as non-metallic impurities or gas bubbles, can be present within the steel billets. These internal defects can cause localized weaknesses and reduce the overall strength of the material. 3. Segregation: Uneven distribution of alloying elements or impurities can lead to segregation, where certain areas of the billet have different chemical compositions. Segregation can result in inconsistent mechanical properties across the material and decrease its uniformity. 4. Central segregation: This defect occurs when there is a concentration of impurities or alloying elements in the central region of the billet, leading to a weaker core. Central segregation can cause structural failures and reduce the overall reliability of the steel billet. 5. Shrinkage cavities: During the solidification process, shrinkage cavities can form in the steel billet due to the contraction of the molten metal. These cavities can weaken the material and compromise its structural integrity. 6. Surface decarburization: Exposure to high temperatures or improper heat treatment can cause the surface of the steel billet to lose carbon content, resulting in surface decarburization. This defect can reduce the hardness and strength of the material. 7. Laminations: Laminations are thin, elongated voids or layers that can form parallel to the surface of the billet. These defects can weaken the material and make it prone to cracking or failure under stress. 8. Internal cracks: Internal cracks can occur due to improper cooling or handling of the billet during the manufacturing process. These cracks can compromise the structural integrity of the steel billet and potentially lead to catastrophic failure. It is important to detect and address these defects early on to ensure the quality and reliability of the steel billets. Various non-destructive testing techniques, such as ultrasonic testing or magnetic particle inspection, can be utilized to identify and mitigate these potential flaws.
Q:What are the common sizes of steel billets?
The common sizes of steel billets can vary depending on the specific industry and application. However, there are several standard sizes that are commonly used. In the construction industry, the most common sizes of steel billets range from 100mm x 100mm to 200mm x 200mm. These sizes are often used for structural steel fabrication, such as beams, columns, and other load-bearing components. For the manufacturing of automotive parts, the common sizes of steel billets typically range from 150mm x 150mm to 250mm x 250mm. These sizes are commonly used for forging and machining processes to create components like crankshafts, connecting rods, and gears. In the oil and gas industry, larger steel billets are often required for the production of pipes and tubes. The common sizes for this application range from 350mm x 350mm to 500mm x 500mm. These larger billets allow for the production of seamless pipes that can withstand high-pressure environments. It's important to note that these are just general sizes and can vary depending on specific project requirements and regional standards. Additionally, custom sizes can also be produced based on the customer's needs.
Q:How do steel billets contribute to the energy sector?
Steel billets are an essential component in the energy sector for various reasons. Firstly, they are used in the construction of power plants and energy infrastructure. Steel billets are often used to fabricate structures such as beams, columns, and support systems that are critical for the stability and safety of these facilities. These structures provide the necessary framework to house generators, turbines, and other equipment required for energy production. Moreover, steel billets are used in the manufacturing of pipelines and storage tanks for the transportation and storage of various energy resources. Whether it is oil, natural gas, or even renewable energy sources like hydrogen, steel billets are used to create durable and reliable pipeline systems that can withstand high pressures and harsh environmental conditions. Similarly, steel billets are used in the construction of storage tanks that hold energy resources, ensuring their safe storage and easy access when needed. Steel billets also play a vital role in the production of wind turbines. The towers of wind turbines are often made from steel billets due to their high strength and durability. These towers support the blades and nacelle, which house the generator and other components. The ability of steel billets to withstand extreme weather conditions and support the weight of the turbine is crucial for the efficient and reliable generation of wind energy. Furthermore, steel billets are used in the manufacturing of equipment and machinery utilized in the extraction and exploration of energy resources. For example, drilling rigs and equipment used in oil and gas exploration are often constructed using steel billets due to their high tensile strength and resistance to corrosion. This enables efficient and safe drilling operations, contributing to the overall energy production process. In conclusion, steel billets contribute significantly to the energy sector by providing the necessary infrastructure, pipelines, storage tanks, and equipment required for energy production, transportation, and exploration. Their strength, durability, and versatility make them an essential component in the construction and functioning of power plants, pipelines, wind turbines, and various other energy-related applications.
Q:How do steel billets contribute to the marine industry?
The marine industry relies heavily on steel billets, which serve a crucial role in constructing and maintaining marine structures and vessels. These semi-finished steel products offer numerous benefits and are widely used in the marine industry. First and foremost, steel billets possess excellent strength properties and are highly durable. This makes them ideal for withstanding harsh marine conditions like corrosion, extreme temperatures, and high-pressure environments. They are commonly used in building ship hulls, offshore platforms, and other marine structures that face the challenging conditions of the sea. Additionally, steel billets can be easily shaped and molded into various forms, making them versatile for a wide range of marine applications. They can be used to produce different components and parts such as propeller shafts, engine components, pipelines, and structural beams. Moreover, steel billets are vital in manufacturing anchors, chains, and other mooring equipment crucial for securing vessels and offshore structures. Furthermore, steel billets are known for their excellent weldability, which is essential in the marine industry. Regular maintenance, repair, and modification are common requirements for ships and offshore structures. The seamless welding of steel billets allows for efficient repairs and alterations, ensuring the structural integrity and safety of marine vessels and infrastructure. In terms of sustainability, steel billets have a long lifespan and can be recycled multiple times. This makes them an environmentally friendly choice for the marine industry, reducing the need for new raw materials and minimizing environmental impact. To summarize, steel billets are indispensable to the marine industry due to their durability, strength, versatility, weldability, and sustainability. Their qualities enable their use in constructing, repairing, and maintaining marine structures and vessels, ensuring their reliability and longevity in the challenging marine environment.
Q:How is the market for steel billets influenced by global economic trends?
Global economic trends have a significant impact on the market for steel billets. Steel is a crucial raw material for industries like construction, automotive, and manufacturing, so any changes in the global economy can greatly affect the demand and pricing of steel billets. During periods of economic growth, there is typically an increased demand for steel products, including steel billets. This is because there are more construction projects and infrastructure development happening during these times. The demand is driven by increased consumer spending, urbanization, and government investments in infrastructure. Therefore, factors like GDP growth, industrial production, and construction activity are vital in determining the demand for steel billets. On the other hand, during economic downturns or recessions, the demand for steel billets tends to decrease. This is due to reduced consumer spending, fewer construction projects, and a slowdown in manufacturing. Global economic indicators, such as GDP contraction, industrial output decline, and reduced infrastructure investment, can negatively impact the market for steel billets. In addition to economic trends, global trade policies and tensions also influence the market for steel billets. Tariffs, quotas, and trade disputes between countries can disrupt the supply chain of steel billets, leading to price volatility and market uncertainty. Measures to protect domestic industries or restrictions on steel imports can limit the availability of steel billets in certain regions, affecting market dynamics and pricing. Currency exchange rates also play a role in the steel billet market. Fluctuations in currency values can affect the competitiveness of steel billet exports and imports. A strong domestic currency may make exports more expensive, reducing foreign demand for steel billets. Conversely, a weak currency may make imports more expensive, potentially increasing demand for domestically produced steel billets. In conclusion, the market for steel billets is closely tied to global economic trends. Economic growth, industrial production, construction activity, trade policies, and currency exchange rates all impact the demand, supply, and pricing of steel billets. Understanding and monitoring these global economic trends is essential for stakeholders in the steel industry to make informed decisions and navigate market fluctuations effectively.
Q:How are steel billets used in the manufacturing of automotive components?
Steel billets are used in the manufacturing of automotive components as the starting material for various forging and machining processes. These billets are heated, shaped, and then further processed to create different automotive parts like crankshafts, connecting rods, gears, and axles. The high strength and durability of steel make it an ideal choice for these critical components, ensuring the safety and performance of vehicles.
Q:What are the different types of surface defect detection equipment for steel billets?
There are various types of surface defect detection equipment available for steel billets. These equipment are designed to identify and analyze defects on the surface of steel billets, ensuring that only high-quality products are used in various applications. Some of the different types of surface defect detection equipment for steel billets include: 1. Ultrasonic Testing (UT): UT equipment uses sound waves to detect surface defects in steel billets. It emits high-frequency sound waves that penetrate the material and reflect back when they encounter any surface irregularities. This method helps identify cracks, voids, and other defects on the surface. 2. Eddy Current Testing (ECT): ECT equipment uses electromagnetic induction to detect surface defects in steel billets. It works by passing an alternating current through a coil, generating a magnetic field that interacts with the conductive material of the billet. Any surface defect or irregularity will cause a change in the magnetic field, which can be measured and analyzed. 3. Magnetic Particle Inspection (MPI): MPI equipment uses magnetic fields and iron particles to detect surface defects in steel billets. The billet is magnetized, and iron particles are applied to its surface. These particles will gather around any surface defect, creating visible indications that can be easily identified and evaluated. 4. Visual Inspection: Visual inspection equipment involves the use of cameras, lasers, and other optical devices to detect surface defects in steel billets. These devices capture images or videos of the billet's surface and allow inspectors to identify any irregularities or defects visually. 5. Thermographic Testing: Thermographic equipment uses infrared cameras to detect surface defects in steel billets by measuring the temperature variations. Any defect will cause a difference in heat transfer, resulting in distinct thermal patterns that can be detected and analyzed. 6. X-ray Inspection: X-ray inspection equipment uses X-ray radiation to penetrate the steel billet and detect internal and surface defects. It provides detailed images that allow inspectors to identify cracks, voids, and other defects that are not visible to the naked eye. Overall, these different types of surface defect detection equipment for steel billets offer a range of methods to ensure the quality and integrity of the billets, enabling manufacturers to deliver high-quality steel products to various industries.
Q:How do steel billets contribute to the sustainability of construction projects?
There are several ways in which steel billets contribute to the sustainability of construction projects. Firstly, steel is an extremely durable material that lasts a long time. Steel billets, which are the raw form of steel, can be used to manufacture various construction components such as beams, columns, and reinforcement bars. These components provide buildings with structural integrity and strength, ensuring their longevity. By using steel billets, construction projects can withstand extreme weather conditions and natural disasters, thus reducing the need for frequent repairs or replacements. This durability directly contributes to the sustainability of construction projects by reducing waste and conserving resources over time. Secondly, steel is highly recyclable. Steel billets can be recycled and reused indefinitely without losing their quality or performance. Recycling steel reduces energy consumption, greenhouse gas emissions, and waste associated with the production of new steel. By incorporating recycled steel billets into construction projects, the demand for new steel can be reduced, thus conserving natural resources and minimizing environmental impact. Furthermore, the use of steel billets in construction allows for efficient and versatile designs. Steel has a high strength-to-weight ratio, which means that lighter and slimmer structural elements can be used, requiring fewer materials. This not only reduces the overall weight of the building but also decreases the amount of concrete and other construction materials needed. As a result, less energy is consumed in the production and transportation of these materials, leading to a more sustainable construction process. Moreover, steel is resistant to pests such as termites and fungi, which can cause significant damage to buildings. By using steel billets, construction projects can avoid the need for chemical treatments typically required to protect wooden structures. This reduces the environmental impact of pest control measures. In conclusion, steel billets contribute to the sustainability of construction projects through their durability, recyclability, efficient design possibilities, and resistance to pests. By incorporating steel into construction, buildings can be built to last, reduce waste, conserve resources, and minimize environmental impact.

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