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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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: What are the different quality control measures for steel billets?
- There are several quality control measures that are implemented during the production and inspection of steel billets to ensure their high quality. These measures include: 1. Chemical Composition Analysis: The chemical composition of steel billets is thoroughly analyzed to ensure it meets the required specifications. This analysis involves determining the content of various elements such as carbon, manganese, sulfur, phosphorus, and others. Any deviations from the specified composition can affect the mechanical properties of the billets. 2. Dimensional Inspection: Steel billets undergo dimensional inspection to verify their size, shape, and weight. This involves measuring the length, width, and thickness of the billets using precision instruments and ensuring they meet the specified tolerances. Any deviations from the required dimensions can impact the performance of the billets during subsequent processing. 3. Surface Inspection: The surface of steel billets is inspected for any defects or irregularities. This includes checking for cracks, surface discontinuities, surface roughness, and other imperfections. Surface inspection is typically conducted using visual inspection techniques or non-destructive testing methods such as magnetic particle testing or ultrasonic testing. 4. Mechanical Testing: Mechanical testing is performed to assess the mechanical properties of steel billets. This includes conducting tests such as tensile testing, hardness testing, and impact testing to determine the strength, ductility, toughness, and other mechanical characteristics of the billets. These tests ensure that the billets possess the required mechanical properties for their intended applications. 5. Metallurgical Examination: Metallurgical examination involves studying the microstructure of steel billets through microscopic analysis. This examination helps identify any defects in the metal structure, such as grain size, segregation, inclusions, or improper heat treatment. By assessing the metallurgical properties, the quality control team can ensure that the billets are free from any internal defects that might compromise their structural integrity. 6. Non-Destructive Testing (NDT): Non-destructive testing techniques, such as ultrasonic testing, magnetic particle testing, or eddy current testing, are used to detect internal defects or discontinuities that may not be visible through visual inspection. These methods allow for the detection of flaws without damaging the billets, ensuring their integrity is maintained. 7. Documentation and Traceability: Quality control measures also include maintaining proper documentation and traceability throughout the production process. This includes documenting the results of all inspections, tests, and analyses performed on the steel billets, as well as tracking their origin, processing history, and any relevant certifications. This documentation ensures transparency and enables traceability in case of any quality-related issues. By implementing these quality control measures, steel manufacturers can ensure that the produced billets meet the required specifications, possess the desired properties, and are of high quality, thereby enhancing their reliability and suitability for various applications in industries such as construction, automotive, and manufacturing.
- Q: What are the different types of steel billet defects?
- There are various types of steel billet defects, including surface defects like cracks, laps, and scars, as well as internal defects such as segregation, porosity, and inclusions.
- Q: What are the specifications for tool steel billets used in the tooling industry?
- The tooling industry typically requires tool steel billets to meet specific specifications in order to achieve optimal performance and durability. These specifications encompass various aspects: 1. Alloy Composition: Tool steel billets are composed of specific alloys that provide high hardness, wear resistance, and toughness. Common elements in tool steel include carbon, chromium, vanadium, molybdenum, and tungsten. 2. Hardness: Heat treatment is applied to tool steel billets to attain the desired hardness level, often measured using Rockwell hardness (HRC). The required hardness depends on the tool's application and type. 3. Size and Shape: Tool steel billets are available in different sizes and shapes, such as rectangular or round bars, to accommodate diverse tooling requirements. The dimensions of the billets are selected based on the size and complexity of the intended tool. 4. Surface Finish: Tool steel billets must possess a smooth and clean surface finish to facilitate machining and reduce the risk of defects or flaws in the final tooling product. 5. Tolerance: Billets should be manufactured with precise dimensional tolerances to ensure consistency during the machining and tooling processes. This aids in achieving accurate tool dimensions and minimizing waste. 6. Homogeneity: Tool steel billets must exhibit uniform chemical composition and microstructure throughout to ensure consistent mechanical properties and performance in the final tooling products. 7. Heat Treatment Properties: Billets should possess favorable heat treatment properties, including the ability to be hardened and tempered. This enhances their strength, toughness, and wear resistance. 8. Machinability: Tool steel billets should have good machinability to enable efficient shaping and forming processes during tool manufacturing. This encompasses considerations for cutting forces, chip formation, and surface finish. It is important to note that the specific specifications for tool steel billets may vary depending on the application and type of tool being produced. Manufacturers and tooling experts often collaborate closely to determine the most suitable tool steel specifications for each specific tooling requirement.
- Q: What are the different types of steel billet forming processes?
- The different types of steel billet forming processes include hot rolling, cold rolling, extrusion, forging, and casting.
- Q: Can steel billets be used in the production of aerospace components?
- Indeed, the utilization of steel billets is feasible for the manufacturing of aerospace components. These semi-finished steel products can undergo further processing to attain an assortment of shapes and sizes. Notably, their application is widespread across industries such as aerospace, automotive, and construction. Within the aerospace sector, steel billets serve as the foundation for fabricating shafts, gears, and structural parts. Nevertheless, it is imperative to acknowledge that the steel variant employed in aerospace must adhere to stringent criteria encompassing strength, durability, high-temperature resistance, and corrosion resistance. Consequently, steel billets employed in aerospace production necessitate supplementary treatments such as heat treatment, machining, and surface finishing to attain the desired properties and dimensions. Overall, while the utilization of steel billets is feasible for aerospace component manufacturing, it is crucial to ensure that the steel material and manufacturing processes conform to the stipulated specifications and standards to guarantee safety and performance within the aerospace industry.
- Q: What are the potential applications of steel billets in the oil and gas aftermarket?
- Steel billets possess a wide range of potential uses within the oil and gas aftermarket. Initially, they find application in the production of various components for the industry, including valves, flanges, and fittings. These components are indispensable for the efficient functioning and upkeep of pipelines, refineries, and drilling facilities. Moreover, steel billets serve a critical role in the manufacturing of seamless pipes, which are essential for the long-distance transportation of oil and gas. The seamless pipes crafted from steel billets exhibit exceptional strength, durability, and resistance to corrosion, rendering them suitable for the often challenging conditions encountered in the oil and gas industry. Furthermore, steel billets find utility in the production of downhole tools and equipment. These tools are instrumental during drilling operations, enabling the extraction of oil and gas from beneath the Earth's surface. Steel billets provide the necessary strength and toughness to withstand the extreme pressures and temperatures encountered in downhole environments. Additionally, steel billets contribute to the fabrication of storage tanks and vessels utilized in the oil and gas industry. These tanks serve as storage facilities for crude oil, refined products, and natural gas. Steel billets offer exceptional weldability and structural integrity, guaranteeing the reliability and safety of these storage facilities. Moreover, steel billets find application in the construction of offshore platforms and structures. These platforms are integral to drilling, production, and processing activities in offshore oil and gas fields. Steel billets are highly favored in this context due to their outstanding strength, resistance to corrosion, and ability to withstand the harsh marine environment. In conclusion, the potential uses of steel billets within the oil and gas aftermarket are extensive. Whether it is the production of components, seamless pipes, and downhole tools, or the fabrication of storage tanks and offshore platforms, steel billets play a crucial role in supporting the operations of the oil and gas industry.
- Q: How are steel billets used in the production of shipbuilding materials?
- Steel billets are an essential component in the production of shipbuilding materials. Shipbuilding requires materials that are strong, durable, and capable of withstanding harsh marine environments. Steel billets, which are semi-finished steel products, play a crucial role in meeting these requirements. Firstly, steel billets are used to produce various types of steel plates, which form the foundation of shipbuilding materials. These plates are cut and shaped according to the specific design requirements, such as hull plating, bulkheads, decks, and superstructures. Steel billets provide the raw material needed to create these plates, ensuring that they possess the necessary strength and structural integrity. Additionally, steel billets are utilized in the manufacturing of shipbuilding sections and profiles. These sections include beams, angles, channels, and other structural components that provide support and reinforcement to the ship's structure. These sections are often formed by heating the steel billets and then shaping them through processes like rolling, forging, or extrusion. This allows for the creation of custom-shaped sections that can be seamlessly integrated into the ship's construction. Moreover, steel billets are also used in the production of shipbuilding forgings, which are high-strength components that require exceptional mechanical properties. Forgings are crucial for critical ship parts like propeller shafts, rudder components, and engine parts. Steel billets are heated and then shaped using forging techniques to create these components, ensuring they possess the necessary strength, toughness, and resistance to fatigue. Overall, steel billets are a fundamental raw material used extensively in shipbuilding. They are transformed into various forms such as plates, sections, and forgings, which are then incorporated into the construction of ships. The use of steel billets ensures that shipbuilding materials meet the stringent requirements for strength, durability, and performance in marine environments.
- Q: What are the main factors affecting the surface roughness of steel billets?
- There are several factors that can have an impact on the surface roughness of steel billets. Firstly, the quality of the raw materials used is crucial in determining the surface finish. If the steel used is of poor quality or contains impurities, it can result in a rougher surface. Secondly, the manufacturing process itself plays a role in surface roughness. Improper cooling or inconsistencies in temperature during the cooling process can lead to uneven surfaces and increased roughness. In addition, the machining operations performed on the billets can also contribute to surface roughness. Factors such as cutting speed, feed rate, and tool condition can affect the final surface finish. Incorrect cutting parameters or worn-out tools can result in a rougher surface texture. Furthermore, the lubrication and cooling methods used during machining can impact surface roughness. Proper lubrication helps reduce friction and heat generation, resulting in smoother surfaces. Insufficient lubrication or cooling can cause increased friction, leading to rougher surfaces. Moreover, the maintenance and condition of the machinery used in the manufacturing process can affect surface roughness. If the equipment is not well-maintained or if there are issues with precision and stability, it can result in surface irregularities and roughness. Lastly, the handling and storage of the steel billets can also influence surface roughness. Mishandling or exposure to harsh environmental conditions such as moisture or extreme temperatures can lead to corrosion or surface damage, resulting in a rougher surface finish. In conclusion, the surface roughness of steel billets can be influenced by factors such as raw material quality, the manufacturing process, machining operations, lubrication and cooling methods, machinery condition, and handling/storage practices. Understanding and controlling these factors are crucial in achieving the desired surface finish in steel billet production.
- Q: How are steel billets used in the manufacturing of hydraulic components?
- Hydraulic components rely heavily on steel billets as a crucial raw material for their production. Billets, which are essentially semi-finished steel forms, are typically rectangular or square in shape. They undergo further processing to become various hydraulic components like cylinders, pistons, valves, and fittings. The manufacturing process begins by carefully selecting high-quality steel billets that meet specific mechanical and chemical requirements. These billets are then heated to a specific temperature, making them more malleable and easier to shape. Once heated, the billets undergo a series of mechanical processes such as forging, extrusion, or rolling to achieve the desired shape and size. For instance, in the production of hydraulic cylinders, the heated billets are usually forged or extruded to form the cylinder body. This involves applying high pressure to the billet, causing it to deform and take on a cylindrical shape. The resulting cylinder body is then further machined to precise tolerances to accommodate internal components like pistons, seals, and valves. Similarly, hydraulic valves and fittings are also manufactured using steel billets. The billets undergo various machining techniques such as turning, milling, drilling, and grinding to create intricate shapes and features required for these components. The final products are then subjected to heat treatment or surface treatment to enhance their strength, durability, and corrosion resistance. Steel billets are preferred in the manufacturing of hydraulic components due to their exceptional mechanical properties, including high strength, good ductility, and weldability. These properties ensure that the components can withstand the high pressures, extreme temperatures, and harsh operating conditions commonly experienced in hydraulic systems. In conclusion, steel billets play a vital role in the manufacturing process of hydraulic components. They undergo various mechanical processes to achieve the necessary shapes and sizes needed for cylinders, pistons, valves, and fittings. The use of steel billets guarantees the production of high-quality and reliable hydraulic components that can effectively function in demanding hydraulic systems.
- Q: What are the different methods of surface cleaning for steel billets?
- Steel billets can be cleaned using various methods, each with its own benefits and applications. Let's explore these methods: 1. Shot Blasting: By propelling steel shots or grits at high speeds onto the billet surface, shot blasting effectively eliminates rust, mill scale, and other impurities, leaving behind a clean and textured surface. This technique is commonly employed to prepare billets for subsequent processes like painting or coating. 2. Acid Pickling: Acid pickling involves immersing the billets in an acid bath, typically hydrochloric or sulfuric acid. The acid reacts with surface oxides and scales, dissolving them and resulting in a clean surface. Acid pickling can remove a wide range of contaminants, but it must be carefully controlled to prevent hydrogen embrittlement. 3. Mechanical Cleaning: Mechanical cleaning techniques employ abrasive tools or equipment to physically scrub or scrape the billet surface. Wire brushes, abrasive pads, or sandpaper can be used to eliminate loose rust, scale, and dirt. This method is suitable for small-scale or localized cleaning but may be time-consuming for larger surfaces. 4. Water Jetting: Water jetting employs a high-pressure water stream to remove dirt, rust, and other contaminants from billet surfaces. The force of the water effectively eliminates loose debris without damaging the underlying steel. Water jetting is an environmentally friendly method that does not involve chemicals and is commonly used for light cleaning or maintenance purposes. 5. Chemical Cleaning: Chemical cleaning utilizes specialized chemicals or solutions to dissolve or neutralize contaminants on the billet surface. This method can be effective in removing stubborn stains, oils, or specific types of corrosion. However, careful selection and handling of chemicals are necessary to avoid any adverse effects on the steel or the environment. 6. Electrochemical Cleaning: Electrochemical cleaning, also known as electrolytic cleaning or electrocleaning, employs an electric current to remove surface contaminants. The billets are immersed in an electrolyte solution, and the application of an electric current causes the contaminants to dissolve or deposit onto an electrode. This method is particularly effective for removing organic contaminants or for precision cleaning. Each method possesses its own advantages and limitations. The choice of the appropriate surface cleaning method for steel billets depends on factors such as the type and severity of contamination, desired surface finish, and specific requirements of subsequent processes.
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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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