Z28 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 Z28 BMP Rolled Steel Coil Construction Roofing Construction
Description of Z28 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 Z28 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 Z28 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 Z28 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 Z28 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:How are steel billets used in the manufacturing of industrial valves?
- Steel billets are an integral component in the manufacturing of industrial valves. Valves are crucial devices used to control the flow of fluids or gases in various industrial processes. Steel billets, which are semi-finished metal products, play a significant role in the production of these valves. The manufacturing process of industrial valves typically involves several steps, including forging, machining, and assembly. Steel billets are primarily used in the forging stage of valve production. Forging is the process of shaping metal by applying localized compressive forces using dies or hammers. Steel billets are heated to a specific temperature and then subjected to intense pressure, which deforms them into the desired shape. The use of steel billets in forging valves offers several advantages. Firstly, steel is known for its exceptional strength and durability, making it an ideal material choice for valves that are exposed to high-pressure environments. Steel billets provide the necessary raw material to create robust and reliable valve components. Additionally, steel billets can be easily shaped and molded during the forging process. This allows manufacturers to create complex valve designs with precision and accuracy. The versatility of steel billets enables the production of valves in various sizes, shapes, and configurations to meet specific industrial requirements. Furthermore, steel billets can be heat-treated after forging to enhance their mechanical properties. Heat treatment processes like quenching and tempering can significantly improve the hardness, strength, and wear resistance of the valve components. This ensures that the valves can withstand harsh operating conditions and deliver optimal performance over an extended period. In conclusion, steel billets are essential in the manufacturing of industrial valves. They provide the raw material required for forging valve components, offering strength, durability, and versatility. The use of steel billets enables the production of high-quality valves that can effectively control the flow of fluids or gases in industrial processes.
- Q:What are the different types of steel billet rolling mill defects?
- During the rolling process of steel billet in a rolling mill, various types of defects may occur. These defects can impact the final product's quality and performance and can have different causes. Some commonly observed defects include: 1. Surface defects: Scratches, cracks, pits, and scale are visible defects that can occur on the surface of the rolled billet. These defects can be caused by improper handling, insufficient lubrication, or excessive rolling pressures. 2. Shape defects: Deviations from the desired shape of the billet, such as bowing, twisting, or excessive tapering, are referred to as shape defects. Uneven cooling, improper alignment of the rolling mill, or incorrect rolling parameters can cause these defects. 3. Internal defects: Internal defects are not visible on the surface but can impact the structural integrity of the billet. Segregation, porosity, and inclusions are examples of internal defects. The presence of impurities in the raw material, improper heating or cooling, or inadequate quality control measures can cause these defects. 4. Dimensional defects: Deviations from the desired dimensions of the billet, such as variations in length, width, or thickness, are called dimensional defects. Improper calibration of the rolling mill, incorrect rolling parameters, or inadequate quality control measures can cause these defects. 5. Metallurgical defects: Metallurgical defects occur due to improper metallurgical processes during rolling. Grain size variations, improper grain flow, or undesirable microstructure are examples of metallurgical defects. Improper temperature control, inadequate alloying, or insufficient heat treatment can cause these defects. To ensure the production of high-quality steel billets, it is crucial for steel billet rolling mills to implement proper quality control measures. Regular inspections, testing, and monitoring during the rolling process can help identify and rectify these defects, thus minimizing their occurrence.
- Q:Are there any international standards for steel billets?
- Yes, there are international standards for steel billets. The most commonly recognized standards for steel billets include ASTM (American Society for Testing and Materials), BS (British Standards), and EN (European Standards). These standards ensure the quality, composition, and dimensions of steel billets, promoting consistency and compatibility in international trade and manufacturing processes.
- Q:What are the different surface treatments applied to steel billets?
- There are several different surface treatments that can be applied to steel billets, depending on the desired end result and application. Some of the common surface treatments for steel billets include: 1. Shot Blasting: This process involves propelling small metal or mineral particles at high speed onto the surface of the steel billets. Shot blasting helps to remove any surface impurities, such as rust or scale, resulting in a clean and uniform surface. 2. Pickling: Pickling is a chemical treatment that involves immersing the steel billets in an acid solution, typically hydrochloric or sulfuric acid. This process helps to remove any oxide layers or scale from the surface of the billets, resulting in a clean and smooth surface. 3. Phosphating: Phosphating is a chemical conversion coating process that involves immersing the steel billets in a solution containing phosphate salts. This treatment helps to create a thin, adherent, and corrosion-resistant phosphate film on the surface of the billets. 4. Galvanizing: Galvanizing is a popular surface treatment for steel billets that involves coating them with a layer of zinc. This process helps to provide excellent corrosion protection and enhances the overall durability of the steel billets. 5. Painting: Painting is another common surface treatment for steel billets, where a layer of paint is applied to the surface. This can provide both aesthetic appeal and additional protection against corrosion. 6. Electroplating: Electroplating is a process where a thin layer of metal, such as chromium or nickel, is deposited onto the surface of the steel billets using an electrical current. This treatment can enhance the appearance, corrosion resistance, and wear resistance of the steel billets. It is important to note that the choice of surface treatment for steel billets depends on various factors, including the intended use, environmental conditions, and cost considerations. Each treatment offers specific advantages and it is crucial to select the most suitable option to ensure optimal performance and longevity of the steel billets.
- Q:How are steel billets used in the production of machined parts?
- Steel billets are an essential raw material in the production of machined parts. They are typically used as the starting point for creating various components and products through machining processes such as turning, milling, drilling, and grinding. Firstly, steel billets are heated to a specific temperature to make them more malleable. This process, known as forging, allows the billets to be shaped and manipulated into the desired form. The heated billets are then placed onto a cutting machine, where they are cut into smaller sections called blanks or workpieces. After the billets have been cut, the blanks are further processed using different machining techniques. For example, turning involves rotating the workpiece while removing excess material with cutting tools to create cylindrical shapes like shafts or rods. Milling involves using rotary cutters to remove material from the workpiece, typically to create complex shapes or features. Drilling is another common machining process where holes are created in the billet or workpiece using a drill bit. This is often required to accommodate screws, bolts, or other fasteners in the final product. Grinding, on the other hand, is used to achieve a smooth and precise surface finish on the machined parts. Overall, steel billets play a crucial role in the production of machined parts. They provide a solid and durable foundation that can be shaped and transformed into various components through the application of different machining techniques. Without steel billets, the manufacturing of machined parts would not be possible, as they serve as the starting point for creating the final products that we use in numerous industries.
- Q:What is the typical elongation of a steel billet?
- The typical elongation of a steel billet can vary depending on factors such as the specific grade of steel and the manufacturing process. However, a common range for elongation in steel billets is typically around 20-30%.
- Q:What is the role of steel billets in the manufacturing of industrial boilers?
- Steel billets play a crucial role in the manufacturing of industrial boilers. These billets serve as the raw material from which the various components of the boiler are formed. Industrial boilers are complex structures that require high-quality, durable materials to withstand the harsh conditions they operate in. Steel billets are typically made from carbon steel or alloy steel, which possess excellent strength and corrosion resistance properties. These billets are first heated and then shaped into different forms, such as plates, tubes, or rods, through processes like rolling, extrusion, or forging. These formed components are then further processed and assembled to create the boiler. In the manufacturing process, steel billets are used to fabricate important boiler components, such as the shell, tubes, and flues. The shell, made from steel plates, provides the main body of the boiler, while the tubes and flues allow for the passage of hot gases and water. Steel billets ensure the structural integrity of these components, as they can withstand high temperatures and pressures without deforming or failing. Moreover, steel billets are also used to create other auxiliary components of industrial boilers, including supports, brackets, and fittings. These components are crucial for the proper functioning and installation of the boiler, ensuring stability, efficiency, and safety. Overall, steel billets are essential in the manufacturing of industrial boilers as they provide the necessary strength, durability, and versatility required to withstand the demanding conditions of operation. The use of high-quality steel billets ensures that the boilers are reliable, long-lasting, and capable of meeting the rigorous performance standards expected in industrial applications.
- Q:What industries rely heavily on steel billets?
- The industries that heavily rely on steel billets include construction, automotive, aerospace, and manufacturing.
- Q:What is the role of steel billets in the manufacturing of storage systems?
- Steel billets play a crucial role in the manufacturing of storage systems as they serve as the raw material for the production of various steel components used in these systems. These billets are heated, rolled, and shaped to create beams, columns, and other structural elements that provide strength and stability to the storage systems. Additionally, steel billets can be further processed to create shelves, racks, and other storage components, ensuring durability and reliability in the overall design.
- Q:How do steel billets contribute to the chemical industry?
- Steel billets are an essential raw material in the chemical industry for the production of various chemicals and chemical products. These billets, which are solid bars or rods of steel, play a crucial role in the manufacturing process. Firstly, steel billets are used in the construction of reactors and vessels that are used in chemical production plants. These reactors are designed to withstand high temperatures and pressure, and steel billets provide the necessary strength and durability for these applications. The chemical reactions that take place in these reactors often involve corrosive or harsh chemicals, and the use of steel billets ensures that the equipment remains intact and prevents any leaks or accidents. Furthermore, steel billets are also used in the production of catalysts, which are substances that facilitate chemical reactions without being consumed in the process. Many catalysts are made from metals or metal oxides, and steel billets are often used as the base material for their production. By providing a stable and strong foundation, steel billets help ensure the efficiency and effectiveness of these catalysts. Additionally, steel billets are used in the construction of pipelines and storage tanks that are crucial for transporting and storing chemicals. These structures need to be able to withstand high pressures and corrosive environments, and steel billets are the preferred material due to their strength, durability, and resistance to chemical degradation. They ensure the safe and efficient transportation and storage of chemicals, which is crucial for the chemical industry. In conclusion, steel billets are indispensable in the chemical industry due to their strength, durability, and resistance to chemical degradation. They are used in the construction of reactors, vessels, catalysts, pipelines, and storage tanks, all of which are essential components of chemical production and transportation. Without steel billets, the chemical industry would struggle to operate efficiently and safely.
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Z28 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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