Premium Colored Corrugated Roofing Metal Sheet
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 2000 m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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Specification
Standard:
AISI,JIS,ASTM
Technique:
Hot Rolled,Saw,Extruded
Shape:
Square
Surface Treatment:
Galvanized,Coated,Color Coated,Oiled
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335
Certification:
ISO,SGS,BV,IBR
Thickness:
0.8
Length:
1250
Net Weight:
2
Product Brief Introduction
Premium Colored Corrugated Roofing Steel Sheet
--- Corrosion resistance: Pre-coated steel offers excellent corrosion resistance achived through continuous hot DIP galvanization and corrosion resistant primer/polyester coating. Protection is achieved when zinc and steel are together in the presence of moisture; The zinc protects the steel by galvanic action
Product Features
. Traditional aesthetics outlook
. Suitable for new house or renovation.
. Less joints, watertight
. Long life service
. Tedun also provide relative ridge cap, fasteners and other accessories
Product Specification
Standard:ASTM, GB,JIS,JIS G3302 ASTM 755 EN10169
Grade: DX51D CGCC CS
Thickness: 0.13mm~3.0mm,
Width: 1250,600-1250mm
Coil weight:3-12 MT
Coil ID:508/610mm
Chemical composition:
C | Si | Mn | Cr | Ni | P | S |
0.150 | 0.476 | 11.231 | 12.50 | 0.900 | 0.039 | 0.010
|
FAQ
How long will we receive the goods ?
45days after receiving workable L/C
2. how do you control the quality ?
we have our own quality control department ,we will arrange QC person to see the production line ,when goods finish ,before shipment ,our QC person will check the quality as per our test report request ,if the goods is ok ,then we issue the test report ,and we allow the goods shipping ,otherwise will not allow ship the goods.
- Q: How are steel strips used in the production of metal enclosures?
- Steel strips are commonly used in the production of metal enclosures to create the structural framework. These strips are cut, shaped, and welded together to form the desired shape and size of the enclosure. They provide strength, stability, and durability to the final product.
- Q: How are steel strips used in the production of household tools?
- Due to their durability and strength, steel strips find widespread use in the manufacturing of household tools. These strips serve as raw materials for various tools such as screwdrivers, wrenches, pliers, and hammers. Typically, steel strips are cut into specific lengths and widths before undergoing further processing to shape them into the desired tools. Manufacturers can bend, stamp, or forge these strips to create the necessary components for the tools. For instance, the strips may be bent to form the handles of screwdrivers or pliers, or they may be stamped into the jaws of a wrench. The use of steel strips in tool production offers several advantages. Firstly, steel is a robust material capable of withstanding significant force and pressure, making it ideal for heavily used tools. Secondly, steel exhibits high resistance to corrosion, ensuring that the tools remain in excellent condition even in harsh environments. Moreover, steel strips can be easily molded and shaped, allowing manufacturers to create tools with precise dimensions and intricate designs. This versatility in shaping steel strips enables the production of tools with ergonomic handles, textured surfaces for enhanced grip, and various other features that improve user comfort and efficiency. In conclusion, steel strips play a vital role in the production of household tools, providing durability, strength, and corrosion resistance. Their versatility allows manufacturers to create tools with precise dimensions and designs, resulting in high-quality and dependable products for everyday use.
- Q: What are the factors that affect the ductility of steel strips?
- There are several factors that can affect the ductility of steel strips. Firstly, the composition of the steel plays a significant role. Alloying elements such as carbon, manganese, and silicon can influence the ductility of steel. Higher carbon content tends to reduce ductility, making the steel more brittle, while elements like manganese and silicon can enhance ductility. Secondly, the grain structure of the steel is another important factor. Fine-grained steel tends to have higher ductility compared to coarse-grained steel. This is because fine grains offer more grain boundaries, which act as barriers to dislocation movement, allowing for greater plastic deformation and enhanced ductility. Moreover, the presence of impurities and defects in the steel can affect its ductility. Impurities like sulfur and phosphorus can form brittle compounds, reducing the ductility of the steel. Similarly, defects such as voids, inclusions, or cracks can act as stress concentration points, leading to premature failure and decreased ductility. The temperature at which the steel is processed or used also affects its ductility. Generally, lower temperatures tend to increase the strength of the steel but decrease its ductility. This is due to the reduction in atomic mobility, making it more difficult for dislocations to move and leading to decreased plastic deformation. Lastly, the processing techniques applied during manufacturing can influence the ductility of steel strips. Techniques like hot rolling, cold rolling, and annealing can alter the microstructure and mechanical properties of the steel. For example, hot rolling can improve ductility by refining the grain structure, while cold rolling can increase strength but decrease ductility. Annealing, on the other hand, can relieve internal stresses and enhance ductility. In conclusion, the factors that affect the ductility of steel strips include composition, grain structure, impurities/defects, temperature, and processing techniques. Understanding these factors and their interactions is essential in controlling and optimizing the ductility of steel for various applications.
- Q: How are steel strips processed for bending?
- Steel strips are processed for bending through a series of steps to ensure the desired shape and quality. Firstly, the steel strips are cleaned and prepared to remove any impurities or contaminants. This is typically done by using a degreasing solution or by shot blasting. Once the strips are clean, they are then passed through a series of rollers to reduce their thickness and improve their flexibility. This process is known as cold rolling or cold reduction, and it helps to align the grain structure of the steel and increase its ductility. After cold rolling, the steel strips are typically annealed to relieve any stresses and further improve their malleability. Annealing involves heating the strips to a specific temperature and then slowly cooling them, which helps to soften the steel and make it easier to bend. Once the steel strips have been annealed, they can be bent into the desired shape using various methods. The most common method is through the use of a press brake, which applies force to the steel strip to bend it at a specific angle. The press brake may have different dies or tooling to achieve different bend radii and angles. It is important to note that the process of bending steel strips may vary depending on the specific requirements and properties of the steel being used. Factors such as the thickness, grade, and composition of the steel can all impact the bending process. Therefore, it is crucial to consider these factors and follow the appropriate procedures to ensure a successful bending operation.
- Q: How are steel strips typically stored and transported?
- To ensure the safety and efficiency of steel strips, they are typically stored and transported in various ways. Regarding storage, it is customary to stack steel strips in a vertical position. This arrangement allows for easy access, organization, and minimizes the risk of damage. To prevent contact between the strips, which could lead to scratching or deformation, wooden or steel spacers are often used. Additionally, steel strips are commonly stored in covered warehouses or under protective roofs to shield them from the elements and prevent rusting. In terms of transportation, trucks or trains are commonly used for transporting steel strips. They are loaded onto flatbed trailers or rail cars and securely fastened to prevent any shifting or movement during transit. Plastic wrapping or metal bands are often used to protect the strips from damage during transportation. This ensures that the strips remain intact and undamaged throughout the journey. For longer distances or international shipments, steel strips may also be transported by ships or airplanes. When transported by ship, the strips are usually loaded into containers and securely fastened to prevent any movement. Air transportation involves packaging the steel strips in specially designed crates or pallets that provide additional protection. All in all, the storage and transportation of steel strips require careful attention to detail and proper handling techniques to guarantee their safety and integrity.
- Q: What are the main factors affecting the surface flatness of steel strips?
- The main factors affecting the surface flatness of steel strips include material quality, processing techniques, tension levels, and the condition of rolling equipment.
- Q: How are steel strips tempered?
- Steel strips are tempered through a controlled heating and cooling process to enhance their mechanical properties. This process, known as tempering, involves heating the steel strips to a specific temperature and then cooling them rapidly. First, the steel strips are heated to a temperature below their critical point, typically between 400 to 700 degrees Celsius (752 to 1292 degrees Fahrenheit), depending on the desired outcome. This heating process relieves the internal stresses in the steel caused by previous manufacturing processes, such as rolling or quenching. Once the steel strips reach the desired temperature, they are held at that temperature for a specific duration of time, often ranging from a few minutes to several hours. This holding time allows the steel to reach a uniform temperature throughout, ensuring consistent tempering of the entire strip. After the holding time, the steel strips are rapidly cooled using various methods such as air cooling, oil quenching, or water quenching. The cooling rate is a critical factor in determining the final properties of the tempered steel, as it affects the microstructure and hardness. The rapid cooling process forms a fine-grained microstructure within the steel, which improves its toughness, ductility, and resistance to brittleness. The specific cooling method used depends on the type of steel and the desired properties. Overall, tempering steel strips is a crucial step in manufacturing to enhance their strength and durability. The controlled heating and cooling process ensures that the steel retains a balance between hardness and toughness, making it suitable for various applications, including automotive, construction, and manufacturing industries.
- Q: What's the difference between strip 235 and 235b?
- 235B only requires a temperature environment of 20 degrees C; this is because of their chemical composition of sulfur, S, phosphorus, P content indicators caused by different.The 235 is 235A, 235 in the material according to the sulfur phosphorus content from high to low is divided into ABCD four grades, grade a sulfur phosphorus was the highest relative performance (welding, plasticity) is the worst, D performance is the highest, the lowest content of parathion.
- Q: How are steel strips used in the manufacturing of HVAC systems?
- HVAC systems require steel strips as a crucial component for their manufacturing. These strips are specifically used in creating air ducts, which are responsible for distributing conditioned air throughout a building or space. The purpose of air ducts is to effectively and efficiently deliver air to maintain a comfortable indoor environment. Steel strips are utilized to form the structure of these air ducts. Typically, galvanized steel is used to manufacture the steel strips for HVAC systems. This involves coating the steel with a layer of zinc to provide durability and resistance against corrosion. This is important due to the exposure of air ducts to varying temperatures, moisture, and potential contaminants. To create the air ducts, the steel strips are accurately cut into specific lengths and then shaped into rectangular or circular forms. Various methods such as welding, screws, or flanges are used to join the strips together, ensuring a tight and secure seal that prevents any air leakage. Moreover, steel strips are also employed in manufacturing other HVAC system components like dampers, diffusers, grilles, and louvers. These components aid in regulating and controlling the airflow within the system, ensuring proper ventilation and temperature control. In conclusion, steel strips are indispensable in the manufacturing of HVAC systems as they provide a durable and reliable framework for air ducts and other components. They contribute to the overall performance, efficiency, and longevity of HVAC systems, guaranteeing optimal comfort and air quality in various residential, commercial, and industrial settings.
- Q: How are steel strips processed for corrosion resistance?
- Corrosion resistance in steel strips is achieved through a range of methods, including surface treatments and coatings. One popular approach is hot-dip galvanizing, in which the steel strip is submerged in molten zinc, creating a protective zinc layer on its surface to prevent corrosion and extend its lifespan. Another method is electroplating, where an electric current is passed through the steel strip while it is immersed in an electrolyte solution containing a metal coating, such as zinc or nickel. This results in the deposition of the metal coating onto the steel's surface, providing a barrier against corrosion. Moreover, steel strips can be coated with organic substances, like paints or polymer films, to improve their resistance to corrosion. These coatings create a protective barrier between the steel and its surroundings, preventing moisture and other corrosive agents from reaching the surface. Furthermore, steel strips can undergo passivation, a process that forms a thin layer of oxide on their surface. This oxide layer acts as a protective barrier against corrosion, preventing direct contact between the steel and corrosive elements in the environment. In conclusion, the process of enhancing the corrosion resistance of steel strips involves various techniques, such as galvanizing, electroplating, organic coatings, and passivation. These methods contribute to the durability and performance of steel strips in corrosive environments.
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Premium Colored Corrugated Roofing Metal Sheet
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 2000 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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