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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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 used in the production of automotive components?
- Automotive components heavily rely on steel billets as a crucial raw material. During the manufacturing process, these billets are heated and then either forged or rolled to form different shapes and sizes, ultimately creating the desired automotive parts. These billets serve as the foundation for producing crucial components such as engine blocks, crankshafts, connecting rods, axles, and suspension parts. Steel's high strength and durability make it the perfect material for these vital components, ensuring the safety and performance of automobiles. Once heated, the steel billets undergo various shaping processes, including hot forging or hot rolling. Hot forging involves applying pressure to the heated billet using a die to achieve the desired shape. This process not only finalizes the component's shape but also enhances its mechanical properties by aligning the steel's grain structure. On the other hand, hot rolling involves passing the heated billet through a series of rolling mills to gradually reduce its thickness and shape it into a specific profile. This method is commonly used for manufacturing long automotive components such as axles or suspension parts. Following the shaping process, the automotive components undergo additional manufacturing steps such as heat treatment, machining, and surface finishing to enhance their strength, precision, and aesthetic appeal. Steel billets offer numerous advantages in automotive component production. Their exceptional mechanical properties, including high strength, toughness, and wear resistance, make them ideal for withstanding the demanding conditions and loads experienced by automotive parts. Moreover, steel's malleability and formability enable manufacturers to create intricate and complex designs, ensuring optimal functionality and performance. In conclusion, steel billets play a crucial role in automotive component production by serving as the raw material that is shaped and formed into various critical parts. Steel's strength, durability, and versatility make it an essential material for ensuring the safety, reliability, and performance of automobiles.
- Q: What is the role of steel billets in the manufacturing of construction excavators?
- Steel billets play a crucial role in the manufacturing of construction excavators. These billets, which are essentially semi-finished steel products in the form of a rectangular solid, serve as the primary raw material for constructing various components of excavators. One key aspect of steel billets is their high strength and durability. The construction industry demands materials that can withstand heavy loads, intense pressure, and harsh working conditions. Steel billets possess these characteristics, making them ideal for manufacturing excavators that are capable of withstanding the rigors of construction sites. During the manufacturing process, steel billets are heated and shaped into various components of the excavator. These components include the mainframe, booms, arms, and buckets – all of which require high-strength materials to ensure structural integrity and longevity. Additionally, steel billets allow for precise customization and fabrication. Manufacturers can mold and shape the billets into specific sizes and dimensions required for different parts of the excavator. This flexibility ensures that the components fit together seamlessly, enhancing the overall performance and functionality of the machine. Furthermore, steel billets provide excellent weldability. As excavators undergo constant stress and movements, welding is a crucial process for joining the various components. Steel billets enable strong and reliable welds, ensuring that the excavator remains structurally sound and capable of performing heavy-duty tasks. Overall, the role of steel billets in the manufacturing of construction excavators is indispensable. Their high strength, durability, customizability, and weldability make them the ideal raw material for constructing the robust and reliable machines that are required for the demanding nature of the construction industry.
- Q: What are the main factors affecting the strength of steel billets?
- There are several main factors that can affect the strength of steel billets. 1. Composition: The chemical composition of the steel, including the types and amounts of various elements, plays a significant role in determining its strength. Alloying elements such as carbon, manganese, and silicon can enhance the strength of steel by forming solid solutions or creating carbides, which increase the steel's hardness and resistance to deformation. 2. Heat treatment: The heat treatment process, which involves heating and cooling the steel billets under controlled conditions, can have a significant impact on its strength. Different heat treatment methods, such as annealing, quenching, and tempering, can alter the microstructure of the steel, leading to variations in its strength properties. 3. Grain size: The size and distribution of the grains within the steel structure can affect its strength. Smaller grain sizes tend to increase the strength of steel, as they hinder dislocation movement and promote grain boundary strengthening. Various processing techniques, such as hot rolling and controlled cooling, can be employed to achieve fine-grained steel billets. 4. Microstructure: The microstructure of steel, which includes the arrangement and morphology of the different phases or constituents, can influence its strength. For example, the presence of certain phases like martensite or bainite can significantly increase the strength of steel by providing a more rigid and stable structure. 5. Processing conditions: The processing conditions during the production of steel billets can impact their strength. Variables such as rolling temperature, deformation rate, and cooling rate can affect the microstructural evolution and mechanical properties of the steel. Proper control of these processing parameters is crucial to achieving the desired strength characteristics. 6. Inclusions and defects: The presence of inclusions or defects, such as non-metallic particles or voids, within the steel can weaken its strength. These imperfections act as stress concentrators and can initiate cracks or fractures, reducing the overall strength and integrity of the steel billets. By considering and optimizing these factors, manufacturers can produce steel billets with enhanced strength properties, enabling their use in various applications where high strength and durability are required.
- Q: Are steel billets used in the renewable energy sector?
- Yes, steel billets are used in the renewable energy sector. They are commonly used in the manufacturing of wind turbine components, solar panel frames, and other renewable energy infrastructure.
- Q: 100Q235 steel can only be rolled from billets of Q235?Or a billet can be rolled into Q195~Q215 and other models of steel?Is there a detailed classification of billets? Do you have GB?
- Billet classification of GB, it is convenient to check
- Q: What do you mean by adding carbon to a table tennis racket?
- The addition of carbon fibers increases the elasticity of the racket so as to increase the strength of the strike ball
- Q: What are the different methods of steel billet casting?
- In the industry, various methods are commonly used for steel billet casting. These methods encompass continuous casting, ingot casting, and direct casting. Continuous casting stands as the most widely employed method for steel billet casting. In this process, molten steel is poured into a water-cooled mold, typically made of copper. As the steel cools and solidifies, a seamless billet is formed, which is subsequently cut into desired lengths. Continuous casting allows for high production rates and precise control over billet dimensions and quality. Ingot casting represents an alternative method for steel billet casting. It involves pouring molten steel into individual molds to create ingots. These ingots are then allowed to solidify before being reheated and hot rolled into billets. Ingot casting is often utilized for small-scale production or for specialty steel alloys that require specific compositions. Direct casting, also known as strand casting, emerges as a newer method for steel billet casting, eliminating the need for solidification and reheating processes. In this method, molten steel is directly poured into billets through a series of water-cooled copper molds. The billets are subsequently cooled and cut to the desired lengths. Direct casting offers advantages such as reduced energy consumption and improved yield by eliminating the intermediate steps of ingot casting. Ultimately, the selection of the steel billet casting method relies on factors like production volume, desired quality, and specific requirements of the steel alloy being produced. Each method possesses its own advantages and limitations, and choosing the appropriate method is vital for ensuring efficient and cost-effective steel billet production.
- Q: What are the different types of steel billet shearing techniques?
- The industry employs various steel billet shearing techniques, each tailored to meet specific cutting requirements and achieve desired final products. Commonly used techniques include: 1. Guillotine Shearing: This method utilizes a guillotine-style shear blade that descends onto the steel billet, exerting a shearing force to cut through the material. 2. Circular Shearing: A circular shear blade is employed in this technique. As the blade spins at high speed, it exerts a cutting force upon contact with the billet. 3. Band Saw Shearing: This method employs a continuous loop of teeth on a band saw blade to cut through the steel billet. The blade moves in a continuous motion, slicing through the billet as it progresses. 4. Rotary Shearing: This technique involves the use of a rotary shear, equipped with rotating blades that grip the billet and cut through it as it advances through the machine. 5. Flame Cutting: Also referred to as oxyfuel cutting, this technique employs a high-temperature flame to melt and sever the steel billet. By directing a stream of oxygen onto the billet, a chemical reaction is initiated, facilitating the cutting process. 6. Plasma Cutting: Plasma cutting utilizes a high-velocity jet of ionized gas to melt and cut through the steel billet. The gas is heated to an exceptionally high temperature and directed onto the billet, resulting in a precise and clean cut. Each of these steel billet shearing techniques possesses distinct advantages and limitations, dependent on factors such as billet size, thickness, required cutting accuracy, and desired cutting speed.
- Q: How are steel billets shaped into rods or wires?
- Rods or wires are produced from steel billets by undergoing a process called hot rolling. This process involves passing the steel billets through a series of rollers at high temperatures. The initial step is to heat the billets to a temperature above their recrystallization point, which is typically around 1200-1300 degrees Celsius. This temperature is important as it ensures the steel becomes soft and easily malleable, thus facilitating the shaping process. Once the billets have been heated, they are then fed through a series of rollers that gradually decrease their thickness and give them the desired rod or wire shape. The rollers exert pressure on the billets, causing them to elongate and reduce in thickness. The number and arrangement of the rollers may vary depending on the specific requirements of the rod or wire being manufactured. Throughout the hot rolling process, the steel undergoes plastic deformation due to the combination of applied pressure and high temperatures. This plastic deformation enables the steel to change its shape without breaking or cracking. The continuous rolling and reduction in thickness gradually transform the billets into rods or wires. After achieving the desired size and shape, the steel is cooled, typically using air cooling. This cooling process enables the steel to maintain its new shape and hardness. The cooled rods or wires can then undergo further processing, such as additional heat treatments or surface treatments, to enhance their properties and meet specific requirements. In conclusion, the hot rolling process is indispensable in shaping steel billets into rods or wires. It allows for precise control over dimensions and properties, while ensuring the final product meets the desired specifications.
- Q: What are the main factors affecting the impact toughness of steel billets?
- The main factors affecting the impact toughness of steel billets include the composition of the steel, the heat treatment process, the presence of impurities or defects, the grain size and microstructure, and the temperature at which the impact test is conducted.
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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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