Z27 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 Z27 BMP Rolled Steel Coil Construction Roofing Construction
Description of Z27 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 Z27 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 Z27 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 Z27 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 Z27 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 inspected for surface defects?
- Steel billets are inspected for surface defects using various methods and techniques to ensure the quality and integrity of the material. One common method is visual inspection, where trained inspectors carefully examine the surface of the billets for any visible defects such as cracks, scratches, pits, or uneven surfaces. They use proper lighting and magnification tools to thoroughly inspect the entire surface area. Another method used is dye penetrant testing. In this technique, a liquid dye is applied to the surface of the billets, which is then allowed to seep into any cracks or defects. After a specified time, excess dye is removed, and a developer is applied. The developer draws out the dye from any defects, making them clearly visible and easy to identify. Magnetic particle inspection is another widely used method. In this process, the billets are magnetized, and iron particles are applied to the surface. Any surface defects disrupt the magnetic field, causing the iron particles to gather around the defect, making them clearly visible upon inspection. This technique is particularly effective for detecting defects such as surface cracks. Ultrasonic testing is also commonly employed for inspecting steel billets. High-frequency sound waves are transmitted through the material, and any surface defects or internal flaws cause reflections or echoes. These reflections are detected and analyzed, providing information about the size, location, and type of defect present. Additionally, eddy current testing can be used to inspect steel billets for surface defects. This method involves passing an alternating current through a probe that is placed near the surface of the billet. 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. Overall, steel billets undergo meticulous inspection using a combination of visual, dye penetrant, magnetic particle, ultrasonic, and eddy current testing methods to ensure that any surface defects are identified and addressed, guaranteeing the quality and reliability of the final product.
- Q: How are steel billets used in the manufacturing of railway wagons?
- Steel billets are used in the manufacturing of railway wagons as they serve as the raw material for various components such as frames, side panels, and undercarriages. These billets are first heated and then shaped into the desired form through processes like rolling or forging. The resulting components are strong, durable, and able to withstand the rigorous demands of railway transportation, ensuring the safety and reliability of the wagons.
- Q: What are the different methods of surface treatment for steel billets?
- Some of the different methods of surface treatment for steel billets include shot blasting, pickling, galvanizing, painting, and powder coating.
- Q: How are steel billets used in the production of pipe fittings?
- The production of pipe fittings heavily relies on steel billets, which are a vital raw material. Pipe fittings, which are essential components for connecting and controlling fluid flow in piping systems, are manufactured from steel billets. To make steel billets suitable for manufacturing pipe fittings, they are initially heated to a specific temperature. This heating process makes the billets malleable and easier to work with. Subsequently, the billets undergo a series of processes, such as hot rolling, forging, or extrusion, depending on the desired shape and size of the pipe fitting. During hot rolling, the steel billet is passed through rollers that apply pressure and shape it into a cylindrical form. This particular shape is ideal for producing pipe fittings like elbows, tees, reducers, and couplings. Forging involves subjecting the steel billet to extreme heat and pressure, enabling it to be shaped into complex and custom designs. This method is commonly used to manufacture high-pressure pipe fittings that require exceptional strength and durability. Extrusion is another method employed in the production of pipe fittings. In this process, the steel billet is forced through a die with the desired cross-sectional shape, resulting in pipe fittings with consistent outer and inner diameters. Once the desired shape is achieved, the pipe fittings undergo further processing, such as cutting, threading, or welding, to create the final product. These additional steps ensure that the fittings are prepared for installation and can be securely connected to the piping system. In essence, steel billets are crucial in the production of pipe fittings as the primary raw material. Through processes like hot rolling, forging, or extrusion, they are transformed into a wide range of pipe fittings used in various industries and applications.
- Q: How do steel billets contribute to the corrosion resistance of a product?
- Steel billets do not directly contribute to the corrosion resistance of a product; rather, it is the specific composition and treatment of the steel billets that determine the corrosion resistance of the final product. Steel billets are essentially semi-finished steel products that serve as the raw material for various downstream processes, such as forging, rolling, and extrusion, to produce the final product. To enhance the corrosion resistance of a product, the steel billets can be manufactured using specific alloying elements and controlled processing techniques. For instance, stainless steel billets are manufactured with a higher content of chromium, which forms a protective oxide layer on the surface of the steel, known as chromium oxide. This oxide layer acts as a barrier, preventing the underlying steel from coming into direct contact with the corrosive environment, thus enhancing the corrosion resistance of the final product. Furthermore, the steel billets can undergo additional treatments such as heat treatment, surface coatings, or galvanization to further improve their corrosion resistance. Heat treatment processes like annealing, quenching, or tempering can modify the microstructure of the steel billets, resulting in improved corrosion resistance properties. Surface coatings, such as paint, powder coating, or electroplating, can provide an additional layer of protection to the steel billets, preventing direct exposure to corrosive substances. Galvanization involves coating the steel billets with a layer of zinc, which acts as a sacrificial anode, corroding preferentially to protect the underlying steel. In summary, while steel billets themselves do not directly contribute to the corrosion resistance of a product, the composition, alloying elements, and treatments applied to the steel billets during the manufacturing process play a vital role in enhancing the corrosion resistance of the final product.
- Q: Which is good for pure iron billet?
- If you would like to consult more detailed information, I suggest you choose Shanghai far west special steel products Co., ltd..
- Q: What are the different surface finishing techniques used for steel billets?
- Some of the different surface finishing techniques used for steel billets include shot blasting, pickling, and grinding. Shot blasting involves propelling abrasive particles at high speeds to remove rust, scale, and other surface contaminants. Pickling is a chemical process that uses acids to remove oxides, scale, and other impurities from the surface of the steel billets. Grinding is a mechanical process that uses abrasive wheels to smooth and polish the surface of the billets, creating a desired finish. These techniques help improve the surface quality and prepare the steel billets for further processing or use.
- Q: What is the role of steel billets in the construction of bridges?
- Steel billets play a crucial role in the construction of bridges as they serve as the raw material for manufacturing structural steel components. These billets are heated and rolled into various shapes, such as beams, columns, and girders, which form the skeleton of the bridge. The high strength and durability of steel make it an ideal material for bridge construction, enabling bridges to withstand heavy loads, extreme weather conditions, and long-term wear and tear. By providing the foundational material, steel billets contribute to the overall structural integrity and longevity of bridges.
- Q: What are the advantages of using steel billets in construction?
- Using steel billets in construction offers numerous benefits: 1. Strength and Durability: Steel billets possess exceptional strength and durability, making them an optimal choice for construction purposes. They can endure heavy loads and extreme weather conditions, guaranteeing the stability and longevity of the structure. 2. Versatility: Steel billets can be molded and shaped into various forms, providing flexibility in design and construction. Their versatility allows for a wide range of applications, including beams, columns, framing, and foundations. 3. Cost-effectiveness: Although the initial cost of steel billets may be higher than that of other construction materials, their long-term advantages outweigh the investment. Steel requires minimal maintenance, infrequent repairs, and replacements, while also exhibiting excellent fire resistance, resulting in reduced insurance costs. 4. Sustainability: Steel is an exceedingly sustainable material due to its recyclability. By recycling and reusing steel billets without compromising their properties, the demand for new materials diminishes, thereby minimizing environmental impact. 5. Speed of construction: Steel billets are prefabricated, meaning they are manufactured off-site and then transported to the construction site. This significantly reduces construction time, enabling faster project completion. 6. Resistance to pests and rot: Unlike wood, steel billets are impervious to termites, pests, and rot. This eliminates the necessity for chemical treatments or regular inspections, thereby saving both time and money. 7. Design flexibility: Steel billets offer a wide array of design possibilities, empowering architects and engineers to create unique and aesthetically pleasing structures. Their ability to span large distances without requiring additional support columns allows for open floor plans and innovative architectural designs. In conclusion, the utilization of steel billets in construction provides a multitude of advantages, including strength, durability, versatility, cost-effectiveness, sustainability, speed of construction, resistance to pests and rot, and design flexibility. These factors establish steel billets as an exceptional choice for diverse construction projects, ensuring the creation of sturdy and long-lasting structures.
- Q: What are the different shapes of steel billets?
- Steel billets come in a variety of shapes and dimensions, depending on their intended use and production process. Some common shapes of steel billets include square, rectangular, round, and hexagonal. Square billets are typically used in the construction industry for making beams, columns, and other structural components. Rectangular billets are also used in construction but are often preferred for applications requiring a specific width-to-height ratio, such as window frames or door frames. Round billets are commonly used in the manufacturing of pipes, tubes, and shafts due to their symmetrical shape and ability to withstand torsional forces. Hexagonal billets, on the other hand, find applications in industries such as automotive and aerospace where their unique shape provides enhanced strength and stability. Overall, the shape of a steel billet is chosen based on the specific requirements of the final product and the manufacturing process involved.
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Z27 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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