Z33 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 Z33 BMP Rolled Steel Coil Construction Roofing Construction
Description of Z33 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 Z33 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 Z33 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 Z33 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 Z33 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 main factors affecting the tensile strength of steel billets?
- There are several main factors that affect the tensile strength of steel billets. Firstly, the composition of the steel plays a significant role. The presence of certain elements, such as carbon, manganese, and silicon, can greatly influence the strength of the steel. Carbon, in particular, is a key element in increasing the strength of steel through its ability to form strong interatomic bonds. Secondly, the heat treatment process employed during the production of steel billets is crucial. Heat treatment, such as quenching and tempering, can significantly enhance the tensile strength of the steel by manipulating its microstructure. Quenching involves rapidly cooling the steel, which creates a hardened structure, while tempering involves reheating the steel to a specific temperature to achieve the desired balance of hardness and toughness. Additionally, the grain size of the steel also affects its tensile strength. Fine-grained steel generally exhibits higher strength due to the increased number of grain boundaries, which act as barriers to dislocation movement. On the other hand, coarse-grained steel tends to have lower strength as it allows for easier dislocation movement. Moreover, the presence of impurities or defects in the steel can weaken its tensile strength. Inclusions, such as sulfur, phosphorus, and non-metallic inclusions, can act as stress concentration points and promote crack initiation, leading to reduced strength. Similarly, the presence of voids, porosity, or other structural defects can compromise the overall strength of the steel billets. Lastly, the processing conditions during the manufacturing of steel billets can affect their tensile strength. Parameters such as rolling and forging temperatures, deformation rate, and cooling rate can influence the resulting microstructure and, consequently, the strength of the steel. In conclusion, the main factors affecting the tensile strength of steel billets include the steel composition, heat treatment process, grain size, impurities or defects, and processing conditions. Understanding and optimizing these factors are crucial for producing steel billets with the desired mechanical properties.
- Q: How are steel billets inspected for surface defects?
- To ensure the quality and integrity of steel billets, a variety of methods and techniques are employed to inspect them for surface defects. One way is through visual inspection, where trained inspectors carefully scrutinize the billets for any visible flaws such as cracks, scratches, pits, or unevenness. They utilize appropriate lighting and magnification tools to conduct a thorough examination of the entire surface. Another method in use is dye penetrant testing. This involves applying a liquid dye to the billet's surface, allowing it to seep into any cracks or defects. After a designated period, excess dye is removed and a developer is added. The developer brings out the dye from any defects, making them clearly visible and easily identifiable. Magnetic particle inspection is another widely utilized technique. During this process, the billets are magnetized, and iron particles are applied to the surface. Any surface flaws disrupt the magnetic field, causing the iron particles to gather around the defect, thus making them easily detectable upon inspection. This method proves particularly effective for identifying defects such as surface cracks. Ultrasonic testing is also commonly employed to inspect steel billets. It entails transmitting high-frequency sound waves through the material, which then produce reflections or echoes when encountering any surface defects or internal flaws. These reflections are detected and analyzed, providing valuable information about the defect's size, location, and type. Furthermore, eddy current testing can be utilized to inspect steel billets for surface defects. This method involves passing an alternating current through a probe positioned near the billet's surface. Any defects or variations in the material's conductivity cause changes in the eddy currents, which can be detected and analyzed to identify surface defects. In conclusion, steel billets undergo meticulous inspection utilizing a combination of visual, dye penetrant, magnetic particle, ultrasonic, and eddy current testing methods. This ensures that any surface defects are promptly identified and addressed, thereby guaranteeing the quality and reliability of the final product.
- Q: How are steel billets inspected for internal defects?
- Various non-destructive testing (NDT) techniques are utilized to inspect steel billets for internal defects. Ultrasonic testing (UT) is a common method wherein high-frequency sound waves are employed to detect flaws within the billet. By sending ultrasonic waves into the billet and analyzing the reflected waves, any internal flaws can be identified. UT has the capability to detect defects such as cracks, voids, inclusions, and other irregularities. Another technique used is magnetic particle inspection (MPI), which is particularly effective for identifying surface and near-surface defects in ferromagnetic materials like steel. By applying a magnetic field to the billet and spreading iron particles over its surface, any defects will cause the particles to form visible indications, thereby providing a clear indication of internal flaws. Liquid penetrant testing (PT) is another widely employed method for inspecting steel billets. This process involves applying a liquid dye to the billet's surface and allowing it to penetrate any surface-breaking defects. After a designated time, excess dye is removed and a developer is applied. The developer draws out the penetrant from any defects, making them visible under suitable lighting conditions. Furthermore, radiographic testing (RT) can be utilized to detect internal defects in steel billets. This method utilizes X-rays or gamma rays to capture images of the billet's internal structure. As the radiation passes through the billet, a film or digital detector records the transmitted radiation. Any internal defects will appear as shadows on the image, facilitating their identification. In summary, a combination of these NDT techniques is often employed to ensure a comprehensive inspection of steel billets for internal defects. This aids in maintaining the quality and integrity of the billets, ensuring they meet the necessary specifications and standards.
- Q: How are steel billets used in the manufacturing of furniture?
- Furniture manufacturing commonly utilizes steel billets as the primary material for various components. These billets undergo heating and molding processes to take on different shapes, ultimately forming the structural framework of chairs, tables, and bed frames. The use of steel in furniture production is preferred due to its malleability and strength, which contribute to the durability and stability of the final product. Furthermore, steel billets can be easily welded and joined together, allowing for the creation of intricate designs and structures. In summary, steel billets play a crucial role in the manufacturing of high-quality and long-lasting furniture pieces, providing the necessary strength and versatility.
- Q: What are the potential applications of steel billets in the chemical aftermarket?
- The chemical aftermarket offers a multitude of possibilities for the utilization of steel billets. One significant application of these billets lies in their role in the production of various chemical processing equipment. Reactors, heat exchangers, columns, and other critical components utilized in chemical plants can all be manufactured using steel billets. Furthermore, steel billets are also employed in the construction of storage tanks designed for the safe containment of chemicals. These tanks must possess qualities such as strength, durability, and resistance to corrosion, which can be achieved through the use of steel billets. Moreover, steel billets find their purpose in the fabrication of pipelines and piping systems used for the transportation of chemicals. Their exceptional strength, as well as their ability to withstand extreme temperatures and pressures, make them an ideal choice for constructing pipelines capable of handling corrosive and hazardous chemicals. Additionally, steel billets can be shaped and formed into various fittings and flanges, which serve as essential components in chemical systems. These fittings and flanges play a vital role in connecting different sections of piping, valves, and other equipment, thereby ensuring a secure and leak-free operation. To summarize, the potential applications of steel billets in the chemical aftermarket are vast and varied. From the manufacturing of chemical processing equipment to the construction of storage tanks, pipelines, and fittings, steel billets play a crucial role in guaranteeing the safe and efficient operation of chemical facilities.
- Q: Can steel billets be used for structural purposes?
- Yes, steel billets can be used for structural purposes. Steel billets are semi-finished steel products that are typically hot-rolled or forged into various shapes, including beams, columns, and other structural components. These billets are commonly used in construction and engineering projects to provide strength, durability, and load-bearing capabilities to structures. Steel billets are often further processed and shaped to meet specific design requirements before being incorporated into the construction process. They are widely utilized in the construction of buildings, bridges, highways, and other infrastructure projects due to their high strength-to-weight ratio and excellent mechanical properties. Additionally, steel billets can be easily welded, making them suitable for various structural applications.
- Q: What are the main factors affecting the corrosion resistance of carbon steel billets?
- The main factors affecting the corrosion resistance of carbon steel billets are the composition of the steel, the presence of impurities or alloying elements, the surface condition and finish, the environment (including humidity, temperature, and exposure to corrosive agents), and the protective coatings or treatments applied to the billets.
- Q: What is the role of steel billets in the construction of airports and terminals?
- Steel billets play a crucial role in the construction of airports and terminals due to their various advantageous properties. They are essentially semi-finished metal products that are used as a raw material in the manufacturing of different steel products. In the context of airports and terminals, steel billets are primarily utilized for the production of structural steel components such as beams, columns, and trusses. One of the key reasons why steel billets are preferred in the construction industry is their strength and durability. Steel is renowned for its high tensile strength, which allows it to withstand heavy loads and structural stresses. This makes it an ideal material for constructing large and complex structures like airports and terminals, where safety and reliability are paramount. Additionally, steel billets can be easily fabricated into various shapes and sizes, making them versatile for constructing different components required in airports and terminals. These billets are often hot rolled or forged into the desired shapes, ensuring that the resulting steel products have the necessary strength and structural integrity. Another crucial advantage of steel billets in the construction of airports and terminals is their resistance to adverse environmental conditions. Airports and terminals are exposed to harsh weather conditions, including extreme temperatures, moisture, and corrosion. Steel, especially when properly coated or treated, is highly resistant to these factors, ensuring the longevity and structural stability of the constructed facilities. Moreover, steel billets are relatively cost-effective compared to other construction materials, especially when considering their durability and low maintenance requirements. The long lifespan of steel structures reduces the need for frequent repairs or replacements, resulting in cost savings over time. In summary, steel billets play a vital role in the construction of airports and terminals by providing the necessary strength, durability, and versatility required for large-scale structures. Their ability to withstand heavy loads, resistance to environmental factors, and cost-effectiveness make them an ideal choice for such high-demand facilities.
- Q: What are the common challenges in steel billet production?
- There are several common challenges in steel billet production that manufacturers often face. One of the primary challenges is maintaining consistent quality throughout the production process. Steel billets need to meet specific standards and specifications in terms of chemical composition, mechanical properties, and surface finish. Any deviation from these requirements can lead to rejection of the billets, causing delays and additional costs. Therefore, ensuring consistent quality control throughout the production cycle is crucial. Another challenge is achieving the desired size and shape of the billets. Steel billets come in various sizes and shapes, depending on the intended use. Producing billets with accurate dimensions and shape requires precision and careful calibration of the equipment involved in the production process. Any deviation in size or shape can result in difficulties during downstream processes, such as rolling or forging, and may lead to product defects or inefficiencies. Maintaining efficient production rates is also a common challenge. Steel billet production often involves complex and time-consuming processes, such as melting, casting, and cooling. Any disruption or bottleneck in these processes can significantly impact the production rate and overall efficiency. It is crucial to optimize the production flow and identify and address any bottlenecks in order to meet demand and minimize production delays. Controlling energy consumption and minimizing waste is another challenge in steel billet production. The production of steel billets requires high energy inputs, such as electricity and fuel. Finding ways to reduce energy consumption and optimize the use of resources can help minimize production costs and environmental impact. Additionally, minimizing waste generation and implementing effective recycling or reusing strategies can further enhance the sustainability of the production process. Lastly, ensuring the safety of workers and maintaining a safe working environment is a critical challenge in steel billet production. The production process involves working with heavy machinery, high temperatures, and potentially hazardous materials. Implementing robust safety protocols, providing appropriate personal protective equipment, and conducting regular safety audits are essential to prevent accidents and ensure the well-being of the workforce. Overall, steel billet production faces challenges related to maintaining consistent quality, achieving accurate size and shape, maintaining efficient production rates, controlling energy consumption, and ensuring worker safety. Overcoming these challenges requires continuous improvement, investment in technology and equipment, and a commitment to quality control and safety measures.
- Q: What is the average lead time for ordering steel billets?
- The average lead time for ordering steel billets can vary depending on various factors such as the supplier, quantity required, and current market conditions. However, on average, it can range from a few weeks to a couple of months.
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Z33 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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