Z43 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 Z43 BMP Rolled Steel Coil Construction Roofing Construction
Description of Z43 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 Z43 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 Z43 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 Z43 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 Z43 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 common defects found in steel billets?
- Steel billets can exhibit various defects, both from the manufacturing process and external factors. One such defect is surface cracks, which can arise from inadequate cooling, handling, or excessive stress during rolling or forming. These cracks can weaken the billet and compromise its strength and integrity. Internal voids or inclusions are another common defect, caused by impurities or foreign particles in the steel. These voids create weak points in the billet, potentially leading to structural failures or diminished mechanical properties. Misalignment or misshaping is a defect that occurs during cooling or forming, resulting in uneven thickness or dimensions. This flaw adversely impacts the billet's performance and suitability for its intended application. Furthermore, excessive segregation of alloying elements can lead to uneven property distribution within the billet. This inconsistency hampers the mechanical properties and overall quality. Lastly, surface defects like scale, pitting, or imperfections can manifest due to improper handling, storage, or exposure to harsh environments. Though these defects may not affect the billet's structural integrity, they do impact the surface finish and aesthetics of the final product. To ensure the production of high-quality and reliable steel products, it is crucial to identify and address these common defects in steel billets. Regular inspections, quality control measures, and appropriate handling and storage techniques play vital roles in minimizing and preventing these defects.
- Q: How do steel billets contribute to the manufacturing of rail and transportation systems?
- Steel billets are an essential component in the manufacturing of rail and transportation systems. These billets serve as the raw material for the production of various components used in the construction of railways, such as rails, sleepers, and fasteners. One of the primary uses of steel billets in rail manufacturing is for the production of railway tracks. Steel billets are first heated and then rolled into long, slender sections called rails. These rails are then further processed and treated to withstand the heavy loads and constant wear and tear experienced in railway operations. The durability, strength, and resistance to deformation of steel make it an ideal material for railway tracks, ensuring safe and efficient transportation. Steel billets also play a vital role in the manufacturing of sleepers or railroad ties, which are used to support the rails and maintain their alignment. These sleepers, typically made from prestressed concrete or wood, require reinforcing bars made from steel billets to enhance their strength and structural integrity. Additionally, steel billets are used to produce fasteners, such as bolts, clips, and spikes, which are crucial for securely fastening rails to sleepers and maintaining track stability. Moreover, steel billets are used in the production of various transportation system components, including chassis, frames, and suspension systems for trains, trams, buses, and other vehicles. Their high strength and excellent formability make steel billets an ideal choice for these applications, as they can withstand the heavy loads and provide structural integrity necessary for safe and reliable transportation. In summary, steel billets play a significant role in the manufacturing of rail and transportation systems. From the production of railway tracks to the fabrication of sleepers, fasteners, and vehicle components, steel billets provide the necessary strength, durability, and structural integrity required for the efficient and safe operation of railways and transportation systems.
- Q: What is the role of steel billets in the manufacturing of agricultural machinery?
- Steel billets play a crucial role in the manufacturing of agricultural machinery as they serve as the raw material for various components. These billets are heated, shaped, and machined to create parts such as gears, shafts, axles, and frames. The strength, durability, and versatility of steel make it an ideal choice for agricultural machinery, enabling it to withstand heavy loads, extreme weather conditions, and constant use in the field.
- 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: How are steel billets inspected for hardness?
- Steel billets are inspected for hardness using a variety of methods and techniques. One of the commonly used methods is the Rockwell hardness test. This test measures the depth of penetration of an indenter into the steel surface under a specific load. The hardness value is then determined based on the depth of penetration. The Rockwell hardness test provides a quick and reliable way to assess the hardness of steel billets. Another method used for hardness inspection is the Brinell hardness test. This test involves applying a specific load on a hardened steel ball and measuring the diameter of the indentation left on the steel surface. The hardness value is calculated based on the applied load and the diameter of the indentation. The Brinell hardness test is useful for large steel billets or when a larger area needs to be tested. Furthermore, Vickers hardness test can also be employed for inspecting the hardness of steel billets. This method utilizes a diamond pyramid-shaped indenter to create an impression on the steel surface. The diagonals of the impression are measured, and the hardness value is determined based on the applied load and the surface area of the impression. The Vickers hardness test is commonly used for materials with high hardness or small components. In addition to these traditional hardness testing methods, there are also advanced techniques available, such as ultrasonic testing and magnetic induction. Ultrasonic testing involves sending high-frequency sound waves through the steel billet and measuring the time it takes for the waves to be reflected back. Any variations in the hardness of the billet can be detected through changes in the ultrasonic waves. Magnetic induction, on the other hand, utilizes magnetic fields to assess the hardness of steel. By measuring the electrical conductivity and permeability of the steel billet, the hardness can be estimated. Overall, there are several techniques available for inspecting the hardness of steel billets, including Rockwell, Brinell, Vickers hardness tests, as well as ultrasonic testing and magnetic induction. These methods provide valuable information about the hardness properties of the billets, allowing manufacturers to ensure the quality and suitability of the steel for various applications.
- Q: What are the challenges faced by the steel billet industry?
- The steel billet industry faces several challenges, including fluctuating raw material costs, intense competition from alternative materials, and the need for continuous technological advancements to remain efficient and sustainable. Additionally, market demand volatility, trade barriers, and regulatory compliance are significant challenges that impact the industry's growth and profitability.
- Q: What is the size range of steel billets?
- The size of steel billets can vary depending on the industry or application's specific requirements. Square or rectangular shapes are usually used to produce steel billets, with dimensions ranging from 100mm to 200mm in width and height. Additionally, the lengths can range from 3 to 12 meters. These dimensions can be customized according to the intended use of the billets, whether it be for forging, rolling, or further processing into finished steel products.
- Q: What are the factors that affect the quality of steel billets?
- Steel billets, which are semi-finished metal products used in the production of various steel products, can be affected by multiple factors that impact their quality. Key factors to consider are as follows: 1. Raw materials: The quality of steel billets heavily relies on the quality of the raw materials used. The composition of the steel, including the percentage of carbon and other alloying elements, plays a critical role in determining the final quality of the billets. 2. Manufacturing process: The quality of steel billets can be significantly influenced by the manufacturing process employed. Factors such as temperature, pressure, duration of heating and cooling processes, and rate of solidification can impact the internal structure and mechanical properties of the billets. 3. Quality control measures: It is crucial to implement effective quality control measures throughout the production process to ensure the quality of steel billets. Regular inspections, testing, and monitoring of critical parameters, such as dimensions, surface finish, and chemical composition, help identify any deviations from desired specifications and enable corrective actions. 4. Equipment and technology: The quality of equipment and technology used in the production of steel billets can have a substantial impact on their quality. Utilizing advanced machinery and techniques, such as continuous casting or vacuum degassing, can enhance the homogeneity and cleanliness of the billets, resulting in higher-quality products. 5. Environmental conditions: Environmental factors, including temperature, humidity, and cleanliness of the production environment, can also affect the quality of steel billets. Contaminants like dust, pollutants, or moisture can have adverse effects on the surface finish and overall quality of the billets. 6. Handling and storage: Proper handling and storage practices are crucial for maintaining the quality of steel billets. Any mishandling, such as dropping or rough handling, can lead to surface defects or internal damage. Likewise, improper storage conditions, such as exposure to moisture or corrosive substances, can deteriorate the quality of the billets. In conclusion, the quality of steel billets is influenced by a combination of factors, including raw materials, manufacturing process, quality control measures, equipment and technology, environmental conditions, and handling and storage practices. By carefully considering and optimizing these factors, steel manufacturers can produce high-quality billets that meet desired specifications and customer requirements.
- Q: Reasons and treatment methods of billet stripping in continuous casting
- The main reason for the stripping is that the slab is not uniformly cooled in the mold, which results in uneven thickness of the shell, which results in uneven shrinkage, which leads to the unevenness of the billet. If the mould outlet, two cold area is uneven, the shell support is not full, it will make breaking-off intensified;
- Q: What are the different surface defects that can occur in steel billets?
- There are several surface defects that can occur in steel billets. Some of the common ones include: 1. Scale: This is a type of oxide layer that forms on the surface of the billet during the heating process. It appears as a rough, flaky coating and can affect the quality of the final product. 2. Cracks: Cracks can occur on the surface of the billet due to various reasons such as thermal stress, improper handling, or excessive cooling. These cracks can be either longitudinal or transverse and can weaken the overall structural integrity of the billet. 3. Decarburization: This is a process in which the carbon content of the steel is reduced at the surface due to exposure to high temperatures or chemical reactions. It can result in a weakened outer layer, affecting the mechanical properties of the billet. 4. Pits: Pitting is the formation of small depressions or cavities on the surface of the billet. It can be caused by corrosion, improper cleaning, or chemical reactions. Pits can lead to reduced strength and localized stress concentrations. 5. Surface roughness: Steel billets may have uneven or rough surfaces due to improper handling, inadequate machining, or poor surface finishing. This can affect the appearance and performance of the final product. 6. Inclusions: Inclusions are non-metallic materials that are trapped in the steel during the manufacturing process. They can appear as dark spots, streaks, or irregular shapes on the surface of the billet. Inclusions can weaken the steel and reduce its ductility. 7. Surface contamination: Steel billets can be contaminated with foreign materials such as dirt, oil, or grease during handling or storage. These contaminants can affect the quality of the final product and may lead to surface defects or corrosion. It is crucial to detect and address these surface defects early in the manufacturing process to ensure the production of high-quality steel billets. Various inspection techniques, such as visual examination, ultrasonic testing, and magnetic particle inspection, can be employed to identify and mitigate these defects.
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Z43 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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