Z26 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 Z26 BMP Rolled Steel Coil Construction Roofing Construction
Description of Z26 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 Z26 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 Z26 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 Z26 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 Z26 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 heat treatment processes used for steel billets?
- There are several heat treatment processes used for steel billets, each serving a specific purpose and resulting in different mechanical properties. These processes include annealing, normalizing, quenching, tempering, and case hardening. Annealing is a process where steel billets are heated to a specific temperature and then slowly cooled in order to soften the material and improve its ductility. This process helps to reduce internal stresses and homogenize the microstructure of the steel. Normalizing involves heating the steel billets to a temperature above the critical point and then allowing them to cool in still air. This process is used to refine the grain structure and improve the mechanical properties, such as strength and toughness. Normalizing also helps to reduce any residual stresses and improve the machinability of the steel. Quenching is a rapid cooling process that involves immersing the heated steel billets into a quenching medium, such as water or oil, to achieve a high degree of hardness. This process results in a hardened and brittle material, which is often followed by a tempering process to reduce the brittleness and improve the toughness. Tempering is the process of reheating the quenched steel billets to a specific temperature and then allowing them to cool slowly. This process helps to relieve any residual stresses and improve the toughness and ductility of the material. Tempering also helps to reduce the hardness achieved during the quenching process, resulting in a material with a balance of strength and toughness. Case hardening is a heat treatment process used to selectively harden the surface layer of the steel billets, while maintaining a softer and more ductile core. This is achieved by introducing carbon or nitrogen into the surface layer of the material, either through carburizing or nitriding processes. Case hardening improves the wear resistance and surface hardness of the steel, making it suitable for applications where high surface hardness is required. Overall, these different heat treatment processes for steel billets provide a range of mechanical properties and allow for customization based on the specific requirements of the application. Each process has its own advantages and limitations, and the selection depends on factors such as the desired mechanical properties, the steel grade, and the intended application.
- Q:What are the different methods of steel billet cooling?
- The steel industry commonly employs various methods for cooling steel billets. These methods encompass air cooling, water cooling, and controlled cooling processes. Air cooling serves as one technique to cool steel billets. It entails allowing the billets to cool naturally in the surrounding air, without any additional cooling mechanisms. This method is straightforward and cost-effective, although it may result in slower cooling rates and less control over the cooling conditions compared to other methods. Water cooling represents another prevalent method for cooling steel billets. It involves immersing the billets in water or showering them with water to expedite the cooling process. Water cooling provides more efficient and controlled cooling rates compared to air cooling. It facilitates faster cooling and aids in achieving desired material properties, such as heightened hardness or improved microstructure. Controlled cooling processes constitute a more advanced approach to cooling steel billets. These processes involve meticulous control over temperature and cooling rates to attain specific material properties. One such process, known as quenching, encompasses rapidly cooling the billets in a controlled medium, such as oil or water, to achieve the desired hardness. Another controlled cooling process is referred to as annealing, which involves gradually cooling the billets to relieve internal stresses and enhance their machinability. Furthermore, specialized cooling techniques, such as spray cooling and water mist cooling, find application in specific industries or situations. These methods entail spraying a fine mist of water onto the billets to achieve rapid and uniform cooling. Overall, the selection of a cooling method hinges on several factors, including desired material properties, production requirements, and cost considerations. Different cooling methods offer distinct advantages and compromises, necessitating steel manufacturers to choose the most suitable approach for their specific needs.
- Q:Are there any alternative materials to steel billets in certain applications?
- Yes, there are several alternative materials to steel billets in certain applications. Some commonly used alternatives include aluminum billets, copper billets, and titanium billets. Each of these materials possesses unique properties and characteristics that make them suitable for specific applications where steel may not be the most ideal choice. For example, aluminum billets are lightweight and have excellent corrosion resistance, making them suitable for industries such as aerospace and automotive. Copper billets are known for their superior electrical conductivity, making them commonly used in electrical and electronic applications. Titanium billets offer exceptional strength, low density, and high heat resistance, making them suitable for industries such as aerospace, military, and medical. Ultimately, the choice of alternative material depends on the specific requirements and demands of the application in question.
- Q:How are steel billets used in the production of gears?
- Steel billets are used in the production of gears as the raw material from which the gears are manufactured. Billets are essentially semi-finished steel products that have a square or rectangular cross-section. They are heated and then hot-rolled into shape to form the desired gear. The first step in using steel billets for gear production is to select the appropriate grade of steel. The steel should have specific mechanical properties, such as high strength, toughness, and wear resistance, to ensure the gears can withstand the demanding conditions they will be subjected to during operation. Once the steel billets are selected, they are heated to a high temperature to make them malleable and easier to shape. This process, known as hot working, allows the steel to be deformed without cracking or fracturing. The billets are then passed through a series of rollers to form the desired shape and dimensions of the gear. After the initial shaping process, the gears may undergo further machining operations to refine their shape and improve their precision. This may include processes such as milling, grinding, or hobbing to remove excess material and create the final gear profile. These machining operations ensure that the gears meet the required tolerances and have smooth surfaces for optimal performance. Once the gears are machined to the desired specifications, they may undergo heat treatment processes such as quenching and tempering to enhance their mechanical properties. This helps to increase the hardness and strength of the gears, making them more durable and resistant to wear. Overall, steel billets play a crucial role in the production of gears as they serve as the starting material for the manufacturing process. Through heating, shaping, machining, and heat treatment processes, steel billets are transformed into high-quality gears that are strong, durable, and precisely engineered to meet the specific requirements of various mechanical applications.
- Q:How do steel billets contribute to the energy efficiency of a structure?
- Steel billets contribute to the energy efficiency of a structure by providing a strong and durable material that allows for the construction of lighter and more streamlined designs. The high strength-to-weight ratio of steel billets allows for the use of smaller structural elements, reducing the overall weight of the structure. This results in less material and energy needed for construction, as well as reduced transportation costs. Additionally, steel's thermal conductivity helps in the efficient transfer of heat, allowing for better insulation and energy conservation in the building.
- Q:What are the main advantages of using steel billets in manufacturing?
- The main advantages of using steel billets in manufacturing include their high strength and durability, versatility in shaping and molding, excellent heat and corrosion resistance, and cost-effectiveness. Steel billets provide a reliable and consistent material for various applications, ensuring structural integrity and longevity in the manufactured products. Additionally, their malleability allows for easy customization and adaptation to different manufacturing processes, making steel billets a preferred choice for many industries.
- Q:How does billet caster pull out billet cracking?
- There are many kinds of cracks. Which one are you talking about? It is related to the water radian of the crystallizer.
- Q:What is the process of hot rolling steel billets?
- The process of hot rolling steel billets involves several steps to transform the billets into a desired shape and size. Firstly, steel billets, which are semi-finished products made from molten steel that has been cast into rectangular or square shapes, are heated to high temperatures in a reheating furnace. This heating process helps to make the steel more malleable and easier to shape. Once the billets reach the required temperature, they are fed into a series of rolling mills. These mills consist of a series of rotating rolls that exert pressure on the billets, gradually reducing their thickness and shaping them into long, flat, or shaped steel products. The number of rolling mills used in the process depends on the desired final product. As the billets pass through the rolling mills, they undergo multiple passes to achieve the desired shape and size. The rolls in each pass apply pressure on the billets, causing them to elongate and reduce in thickness. In some cases, the billets may also be twisted or bent to achieve specific shapes or profiles. During the rolling process, the steel billets are constantly monitored for temperature, dimensions, and surface defects. Any imperfections or irregularities detected are rectified through various corrective measures, such as adjusting the rolling parameters or using specialized equipment. After the desired shape and dimensions are achieved, the hot-rolled steel products are cooled by either air or water to prevent them from warping or losing their structural integrity. This cooling process, known as quenching, also helps in achieving the required mechanical properties of the steel. Finally, the hot-rolled steel products are cut into desired lengths and may undergo additional treatments, such as straightening or surface finishing, to meet specific customer requirements. The finished hot-rolled steel products are then ready for further processing, such as welding, fabrication, or assembly, depending on their intended use in various industries such as construction, automotive, or manufacturing.
- Q:How do steel billets contribute to the overall weight reduction of a product?
- Steel billets contribute to the overall weight reduction of a product by allowing manufacturers to create lighter and more structurally efficient components. By using steel billets, which are smaller and more compact than traditional steel bars or plates, less material is needed to achieve the same strength and performance. This reduction in weight not only makes the product easier to handle and transport, but also improves its overall energy efficiency.
- Q:Are steel billets used in the production of automotive parts?
- Yes, steel billets are commonly used in the production of automotive parts.
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Z26 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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