Z35 BMP Rolled Steel Coil Construction Roofing Construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Structure of Z35 BMP Rolled Steel Coil Construction Roofing Construction
Description of Z35 BMP Rolled Steel Coil Construction Roofing Construction
PPGI is made by cold rolled steel sheet and galvanized steel sheets as baseplate, through the surface pretreatment (degreasing, cleaning, chemical conversion processing), coated by the method of continuous coatings (roller coating method),
and after roasting and cooling. Zinc coating: Z60, Z80, Z100, Z120, Z180, Z275, G30, G60, G90
Alu-zinc coating: AZ60, AZ80, AZ100, AZ120, AZ180, G30, G60, G90
Main Feature of Z35 BMP Rolled Steel Coil Construction Roofing Construction
1) Excellent corrosion resistance: The zinc layer provides a good protection of Pre-painted Galvanizeed Steel Sheet.
2) High heat resistance: The reflective surface of the material aids in efficiently reflecting the sunlight away and in turn reducing the amount of heat transmitted. The thermal reflectivity converts into energy savings.
3) Aesthetics: Pre-Painted Galvanized steel sheet is available in plethora of patterns and multiple sizes as per the requirements that given by our customers.
4) Versatility: can be used in the various areas.Standard seaworthy export packing: 3 layers of packing, inside is kraft paper, water plastic film is in the middle and outside GI steel sheet to be covered by steel strips with lock, with inner coil sleeve.
Applications of Z35 BMP Rolled Steel Coil Construction Roofing Construction
1. Construction and building: roofing; ventilating duct; handrail; partition panel;etc.
2. Electric appliance: refrigerator; washing machine; refrigerator; DVD;etc.
3.Transportation: oil tank; road sign; etc.
4.Agriculture:barn; etc.
5.Others:vending machine; game machine; etc. 
Specifications of Z35 BMP Rolled Steel Coil Construction Roofing Construction
| Classified symbol | Yield Point Minimum N/mm2 | Tensile Strength Minimum | Elongation Minimum % | Application | ||||
| N/mm2 | Nominal Thickness mm (t) | |||||||
| JIS | Yogic | 0.25-0.4 | 0.4-0.6 | 0.6-1.0 | 1.0-1.6 | |||
| G3312 | specification | |||||||
| CGCC | CGCC | -205 | -270 | -20 | -21 | -24 | -24 | Commercial |
| CGCD | CGCD | --- | 270 | --- | 27 | 31 | 32 | Drawing |
| --- | CG340 | 245 | 340 | 20 | 20 | 20 | 20 | Structural |
| CGC400 | CG400 | 295 | 400 | 16 | 17 | 18 | 18 | Structural |
| CGC440 | CG440 | 335 | 440 | 14 | 15 | 16 | 18 | Structural |
| CGC490 | CG490 | 365 | 490 | 12 | 13 | 14 | 16 | Structural |
| CGC570 | CG570 | 560 | 570 | --- | --- | --- | --- | Structural |
| ASTM Designation | Yield Point Minimum | Tensile Strength Minimum | Elongation Minimum % | Application | Q/BQB 445-2004(China standard) | ASM A653/A653M | JISG 3312 | |
| ksi(MPa) | ksi(MPa) | TDC51D+Z | (CS TYPE A+Z) | CGCC | ||||
| A653(M)-99 CS TYPE A,B,C | --- | --- | --- | Commercial | TDC52D+Z | CGCD | ||
| A653(M)-99 FS | --- | --- | --- | Lock Forming | TS250GD+Z | (G250+Z) | - | |
| A653(M)-99 DS | --- | --- | --- | Drawing | TS300GS+Z | (G300+Z) | CGC 400 | |
| A653(M)-99 SS Grade33(230) | 33(230) | 45(310) | 20 | Structural | TS350GD+Z | (G350+Z) | CGC490 | |
| A653(M)-99 SS Grade37(255) | 37(255) | 52(360) | 18 | Structural | TS550GD+Z | (G550+Z) | CGC570 | |
| A653(M)-99 SS Grade40(275) | 40(275) | 55(380) | 16 | Structural | ||||
| A653(M)-99 SS Grade50(345) | 50(345) | 65(450) | 12 | Structural | ||||
| A653(M)-99 SS Grade80(550) | 80(550) | 82(570) | --- | Structural | ||||
FAQ of Z35 BMP Rolled Steel Coil Construction Roofing Construction
We have organized several common questions for our clients，may help you sincerely：
1. How Can I Visit There?
Our company is located in Tianjin City, China, near Beijing. You can fly to Tianjin Airport Directly. All our clients, from home or aboard, are warmly welcome to visit us!
2. How Can I Get Some Sample?
We are honored to offer you sample.
3. Why choose CNBM?
1, ISO, BV, CE, SGS approved.
2, Competitive price and quality.
3, Efficient service team online for 24 hours.
4, Smooth production ability(50000tons/month) .
5, quick delivery and standard exporting package.
6, Flexible payment with T/T, L/C, Paypal, Kunlun bank, etc .
- Q: What are the major steel billet producing countries?
- China, India, Russia, Japan, and the United States are the key countries in the production of steel billets. China stands out as the largest producer, responsible for more than half of global output. This dominance can be attributed to its booming steel industry, which has witnessed remarkable growth in recent decades. Following China, India emerges as the second-largest producer, with its steel sector expanding rapidly. Russia, on the other hand, boasts a robust steel industry and ranks third in terms of production. Despite a decline in recent years, Japan still holds significance in the steel billet market. Lastly, the United States contributes significantly to the production of steel billets, focusing particularly on high-quality specialty steel products. These countries play a critical role in meeting the worldwide demand for steel billets, which serve as essential raw materials across various industries, including construction, automotive, and infrastructure.
- Q: What is the impact of impurities on the quality of steel billets?
- The quality of steel billets is greatly influenced by impurities. Steel billets, which serve as raw materials for various steel products, can be negatively affected by the presence of impurities. To begin with, the mechanical properties of steel billets can be weakened by impurities. For example, sulfur can cause sulfide inclusions, which reduce the strength and toughness of the steel. Similarly, phosphorus can lead to phosphide inclusions that negatively impact the ductility and impact resistance of the billets. These impurities can also promote the formation of cracks and other defects, further compromising the quality of the steel. Additionally, the machinability of steel billets can be adversely affected by impurities. Higher levels of impurities can increase the hardness and decrease the machinability of the steel, making it more challenging to shape into the desired end products. Consequently, this can lead to increased processing time and cost, as well as reduced productivity. Furthermore, the surface finish of steel billets can be impacted by impurities. Oxide inclusions, which are commonly formed due to impurities, can cause surface defects and roughness. This can negatively affect the appearance and aesthetics of the final steel products, making them less desirable in the market. Moreover, impurities can influence the corrosion resistance of steel billets. Some impurities, like chromium and nickel, can improve the corrosion resistance of steel. However, other impurities such as sulfur and phosphorus can promote corrosion, decreasing the lifespan and reliability of the steel products made from these billets. In conclusion, impurities have a significant impact on the quality of steel billets, resulting in weakened mechanical properties, reduced machinability, compromised surface finish, and decreased corrosion resistance. Therefore, it is crucial for steel manufacturers to carefully control and minimize the presence of impurities during the production process to ensure the production of high-quality steel billets.
- Q: How are steel billets cast into shape?
- Steel billets are cast into shape using a process called continuous casting. This process involves pouring molten steel into a water-cooled copper mold, which is in the shape of a billet. As the steel is poured, it begins to solidify along the walls of the mold. At the bottom of the mold, a water spray is used to rapidly cool the steel, causing it to solidify completely. As the steel solidifies, it is continuously pulled out of the mold by a set of rollers or by a chain conveyor. Once the billet is completely solidified, it is cut into desired lengths using a high-speed torch or saw. These cut billets are then transported to the next stage of the steel manufacturing process, such as rolling or forging, where they are further shaped into the final desired product. Continuous casting allows for the production of steel billets with a consistent cross-sectional shape and size. This process is highly efficient and produces high-quality steel products with minimal waste.
- Q: How do steel billets contribute to the overall corrosion protection of a structure?
- Steel billets, which are semi-finished steel products, play a significant role in contributing to the overall corrosion protection of a structure. They contribute to corrosion protection in several ways: 1. High-quality steel composition: Steel billets are manufactured using high-quality steel that consists of various alloying elements, such as chromium, nickel, and molybdenum. These alloying elements enhance the corrosion resistance of the steel, making it less susceptible to rust and corrosion. 2. Protective coating: Steel billets are often coated with protective layers, such as zinc or epoxy coatings. These coatings act as a barrier between the steel surface and the external environment, preventing moisture, oxygen, and other corrosive substances from reaching the steel and causing corrosion. 3. Durability and strength: Steel billets are known for their high strength and durability. When used in the construction of a structure, they provide a strong foundation and structural support. This strength and durability minimize the chances of structural damage and corrosion, ensuring the longevity and stability of the structure. 4. Weldability: Steel billets are highly weldable, allowing for easy and efficient joining of steel components during construction. Proper welding techniques and materials can further enhance the corrosion resistance of the structure by maintaining the integrity and continuity of the protective coatings. 5. Maintenance and repair: In case of any damage or corrosion on the structure, steel billets can be easily replaced or repaired. This ensures that the affected area can be fixed without compromising the overall integrity and corrosion protection of the structure. Regular maintenance and repair of steel billets contribute to the long-term corrosion protection of the entire structure. In summary, steel billets contribute to the overall corrosion protection of a structure through their high-quality composition, protective coatings, durability, weldability, and ease of maintenance and repair. By incorporating steel billets into construction projects, engineers and architects can ensure the longevity, safety, and corrosion resistance of structures in various environments.
- Q: the ear has burrs, is it the billet problem or the rolling mill problem, will it be caused by the blowhole of the billet?
- The rolling process of rolling mill of hot rolling and cold rolling process for the two step: a hot rolling process: from out of billet steel plant is only semi-finished products, to the rolling mill for rolling, in order to become a qualified product.
- Q: How do steel billets contribute to the overall cost-effectiveness of a project?
- Steel billets contribute to the overall cost-effectiveness of a project by providing a cost-efficient raw material for manufacturing various steel products. They can be easily melted and transformed into different shapes and sizes, minimizing waste and reducing production costs. Additionally, the strength and durability of steel billets make the finished products long-lasting, reducing maintenance and replacement expenses.
- Q: What are the different methods of corrosion protection for steel billets?
- There are various methods available for corrosion protection of steel billets. Some of the common methods include: 1. Coating: Applying a protective coating on the surface of steel billets is one of the most effective methods of corrosion protection. This can be achieved through processes such as hot-dip galvanizing, painting, or applying a protective film. The coating acts as a barrier between the steel surface and corrosive elements in the environment, preventing direct contact and reducing the likelihood of corrosion. 2. Cathodic Protection: This method involves creating an electrochemical reaction to protect the steel billets from corrosion. Cathodic protection can be achieved by either using sacrificial anodes or by applying an impressed current. Sacrificial anodes, typically made of zinc or magnesium, are connected to the steel billets, and they corrode sacrificially instead of the steel, thus protecting it. Impressed current systems use an external power source to provide the necessary current to protect the steel. 3. VCI (Volatile Corrosion Inhibitors): VCI is a method that involves using chemicals that release vapors to create a protective layer on the steel surface. These chemicals inhibit the corrosion process by neutralizing the corrosive agents or forming a protective film on the steel surface. VCI can be applied through various methods, such as coating, wrapping, or inserting VCI paper or packets into the packaging of steel billets. 4. Alloying: Introducing alloying elements into the composition of steel billets can significantly improve their corrosion resistance. For example, adding chromium or nickel can enhance the stainless properties of steel, making it more resistant to corrosion. Alloying can be done during the initial production of steel billets or through post-treatment processes. 5. Environmental Control: Controlling the environment in which steel billets are stored or used is also crucial in preventing corrosion. This includes measures such as maintaining proper humidity levels, avoiding exposure to corrosive chemicals or gases, and minimizing contact with water or moisture. By controlling the environment, the likelihood of corrosion can be reduced, thereby protecting the steel billets. It is important to note that the choice of corrosion protection method depends on various factors, including the anticipated level of exposure to corrosive elements, the intended use of the steel billets, and cost considerations. Therefore, it is advisable to consult with corrosion experts or engineers to select the most suitable method for a particular application.
- Q: How do steel billets contribute to the manufacturing of household appliances?
- The manufacturing of household appliances heavily relies on steel billets, as they serve as the fundamental material for creating various components and structures used in these appliances. To begin with, steel billets are utilized in the production of frames and structures for appliances like refrigerators, washing machines, and dishwashers. The exceptional strength and durability of steel make it an ideal choice for these purposes, ensuring that the appliances can endure constant use and heavy loads. Moreover, steel billets are employed in the manufacturing of both inner and outer panels for household appliances. These panels require a material that possesses strength, resistance to corrosion, and aesthetic appeal. Steel perfectly meets these criteria, providing a sleek and long-lasting surface that can be easily cleaned and maintained. In addition, steel billets are essential for creating various components found within household appliances, including heating elements, motors, and electrical parts. Steel's remarkable thermal conductivity and electrical properties make it a suitable material for these crucial components, guaranteeing efficient operation and reliable performance. Additionally, steel billets contribute significantly to the overall safety of household appliances. Steel is highly resistant to fire, reducing the risk of accidents caused by overheating or electrical malfunctions. Furthermore, its strength and stability play a vital role in preventing structural failures that could lead to accidents or injuries. In summary, the strength, durability, corrosion resistance, and thermal/electrical properties of steel billets make them indispensable in the manufacturing of household appliances. By providing the necessary raw material, steel billets enable the production of robust structures, appealing panels, critical components, and safe appliances that meet the expectations and demands of consumers.
- Q: How are steel billets used in the manufacturing of bearings?
- Steel billets are an essential raw material used in the manufacturing of bearings. Bearings are mechanical components that facilitate smooth rotational or linear movement between two parts. Steel billets, which are solid blocks of steel, are first heated and then subjected to a forging process to shape them into the desired dimensions and form. This process involves applying high pressure to the heated billets, which results in plastic deformation and the creation of a rough bearing shape. After the initial forging, the rough-shaped billets undergo further precision machining processes to refine their dimensions and improve their surface finish. These processes include turning, grinding, and polishing, which ensure the final product meets the required specifications for bearing performance. Once the billets are machined to the appropriate size and shape, they are heat-treated to enhance their mechanical properties. Heat treatment involves subjecting the billets to specific temperatures and durations to achieve desired hardness, strength, and durability. This process can include steps such as quenching, tempering, and annealing, depending on the desired characteristics of the bearing. After heat treatment, the steel billets are ready for the final step in the bearing manufacturing process: assembly. The billets are inspected for any defects or imperfections and then assembled with other bearing components, such as inner and outer rings, rolling elements, and cages. These components are carefully matched and assembled to achieve the desired performance and load-carrying capacity of the bearing. In conclusion, steel billets play a crucial role in the manufacturing of bearings. They are initially forged into a rough bearing shape, then machined, heat-treated, and finally assembled with other components to create a high-quality bearing that can withstand various loads and provide smooth movement in a wide range of applications.
- Q: What are the different sizes and shapes of steel billets?
- Steel billets are available in a range of sizes and shapes, which are determined by their intended use and production method. Typically, steel billets have a rectangular shape with different dimensions. The commonly used sizes vary from 100mm x 100mm to 300mm x 300mm, and their lengths typically range from 3 to 12 meters. Apart from the standard rectangular shape, steel billets can be manufactured in various other shapes to meet specific requirements. Examples of these shapes include round billets, square billets, and octagonal billets. Round billets have a circular cross-section, while square billets have four equal sides. Octagonal billets, on the other hand, have eight sides, which contributes to increased surface area and improved thermal conductivity. The choice of size and shape for steel billets is influenced by multiple factors, including the type of steel being produced, the desired strength and durability, and the manufacturing process. These factors have an impact on the properties of the final product and its ability to withstand specific applications, such as construction, automotive manufacturing, or machinery production.
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Z35 BMP Rolled Steel Coil Construction Roofing Construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 10000 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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