Colorful Corrugated GI Galvanized Steel Sheet
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled
Shape:
Square,Rectangular
Surface Treatment:
Galvanized,Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
0.6
Length:
1000
Net Weight:
1MT
Product Brief Introduction
Colorful Corrugated GI Galvanized Steel Sheet
Galvanized Corrugated Steel Roofing Sheet is formed by cold roll machine, using galvanized steel sheet or aluminum steel as the base material .Galvanized corrugated steel roofing sheet is featured with easy installation ,high strength ,more economic .( low cost )
Product Features
.Outlook Beautiful and novel, rich colors, flexible combination, can be used in different buildingto express special original architectural styles in life.
.Surface have been treated as galvanized and color coated.so it can anti-rain,anti- fire,anti-quake,So it has a long term life as 20-30 year and color just not fade.
. Light weight: easy to transport the material,short the time to finish the building,reduce worker's hard work,save much time and energy for human beings.
.Smooth surface treatment,the dust will be easy taken off by the rain.
. Environmental material,can be used many times,will do no hard to the our environment.
Product Specification
.Thickness:0.13mm to 0.8mm
.Length: 1m to 11.8m.
. Color: navy blue,white grey and any RAL colors.
. Certification: ISO9001:2000.
.Material : cold rolled galvanized steel coil.
. Standard: JIS,DX51D,SGCC,Q235. A653
. advantage: waterproof,light weight, high strength,best price.
. HS code: 7210700000
Packing Information (For 27.5 Tons heavy 20’Fcl)
. water proof paper packing in side
. plastic film Packing in middle
. steel sheet Packing out side
.several steel strip packing to fix the packing
Production Line & Package
FAQ
1. how many wave for per pcs
—— some wave is 8 ,same wave is 9 ,save wave is 11 ,it is up to your request
2. What is the MOQ for this products ?
—— Normally the MOQ is 25mt per size and per color .
- Q: How are steel strips inspected for internal defects?
- Steel strips are inspected for internal defects through non-destructive testing methods such as ultrasonic testing, eddy current testing, or magnetic particle inspection. These methods allow for the detection of any internal flaws or discontinuities within the steel strips without causing any damage to the material.
- Q: Are steel strips suitable for making hinges?
- Indeed, hinges can be made using steel strips. Steel, being a robust and long-lasting substance, has the ability to endure substantial loads and repetitive motions, rendering it an exceptional option for constructing hinges. By shaping, bending, and welding steel strips, one can fashion hinges with the desired design, ensuring stability and seamless operation. Furthermore, steel exhibits resistance towards corrosion and can be treated with diverse coatings to amplify its durability. In summary, steel strips are a dependable and frequently employed material for manufacturing hinges across a broad spectrum of applications such as doors, cabinets, and machinery.
- Q: What are the factors that affect the hardness of steel strips?
- There are several factors that can affect the hardness of steel strips. 1. Carbon content: The carbon content of steel plays a significant role in determining its hardness. Higher carbon content generally leads to increased hardness. 2. Alloying elements: The presence of certain alloying elements such as chromium, manganese, and molybdenum can also impact the hardness of steel strips. These elements can form carbides and increase the overall hardness of the material. 3. Heat treatment: The heat treatment process, including quenching and tempering, can greatly influence the hardness of steel strips. Quenching involves rapid cooling of the material, while tempering is a subsequent heating process that helps to increase toughness and reduce brittleness. 4. Cooling rate: The rate at which the steel strip is cooled during the manufacturing process can affect its hardness. Rapid cooling, such as through water quenching, can result in a harder material compared to slower cooling methods. 5. Grain size: The size of the grains within the steel structure can impact its hardness. Smaller grain sizes generally lead to increased hardness due to a more uniform distribution of carbon and alloying elements. 6. Impurities: The presence of impurities, such as sulfur and phosphorous, can negatively affect the hardness of steel strips. These impurities can form brittle compounds and reduce the overall hardness of the material. 7. Cold working: Cold working, such as rolling or drawing, can increase the hardness of steel strips. This process deforms the material and introduces dislocations, which in turn increase the strength and hardness. 8. Composition and microstructure: The composition and microstructure of the steel, including the presence of phases such as martensite, ferrite, and pearlite, can influence its hardness. These phases form during cooling and can contribute to different levels of hardness. It is important to note that the hardness of steel strips is often a trade-off with other properties such as toughness and ductility. Therefore, finding the right balance between hardness and other desired characteristics is crucial for specific applications.
- Q: What are the common width tolerances for steel strips?
- The common width tolerances for steel strips vary depending on the specific application and industry standards. However, some common width tolerances for steel strips are typically within the range of +/- 0.005 to 0.020 inches. These tolerances ensure that the steel strips meet the required dimensional specifications and can be used effectively in various manufacturing processes. It is important to note that specific width tolerances may differ based on the specific grade of steel, the intended use of the strips, and the manufacturing process involved. Additionally, certain industries or applications may have more stringent tolerances to ensure precise and accurate dimensions for their specific requirements. Therefore, it is crucial to consult the relevant industry standards or specifications to determine the appropriate width tolerances for steel strips in a particular context.
- Q: How are steel strips annealed for improved ductility?
- To enhance the ductility of steel strips, they undergo a procedure known as annealing. Annealing consists of subjecting the steel strips to a specific temperature and subsequently gradually cooling them. By doing so, any internal stresses are eliminated, and the ductility of the steel is enhanced. The initial step in annealing steel strips involves heating them to a temperature surpassing their recrystallization temperature. This temperature may vary depending on the steel's composition, typically ranging from 1000 to 1100 degrees Celsius. By exceeding this temperature, the existing grain structure is broken down, allowing new grains to develop as the strips cool. Once the desired temperature is attained, the steel strips are gradually cooled. This deliberate cooling process, also referred to as controlled cooling or furnace cooling, is vital for achieving the desired level of ductility. It enables the newly formed grains to grow and align in a manner that reduces internal stresses and promotes superior ductility. The rate of cooling during annealing is critical, as rapid cooling can result in the formation of undesirable crystal structures, potentially diminishing the steel's ductility. Therefore, the cooling process is typically executed in a controlled environment, such as a furnace, ensuring a gradual and uniform cooling rate. Ultimately, the process of annealing steel strips to enhance ductility entails heating them to a specific temperature exceeding their recrystallization temperature, followed by a gradual cooling process. This method eliminates internal stresses and stimulates the growth of new grains, ultimately improving the ductility and mechanical properties of the steel strips.
- Q: How are steel strips protected against impact?
- Steel strips are protected against impact through various methods such as applying protective coatings, utilizing shock-absorbing materials, implementing buffer zones, or using specialized packaging techniques. These measures help minimize the risk of damage or deformation to the steel strips when subjected to impact forces during handling, transportation, or storage.
- 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: Can steel strips be used in the production of shipbuilding components?
- Yes, steel strips can be used in the production of shipbuilding components. Steel strips are commonly utilized in shipbuilding due to their high strength, durability, and resistance to corrosion. They can be used to manufacture various components such as plates, beams, angles, and frames, providing structural integrity and stability to ships.
- Q: How are steel strips processed for surface finishing?
- Steel strips are processed for surface finishing through a series of steps to achieve the desired outcome. The process typically begins with cleaning the steel strips to remove any dirt, grease, or other contaminants that may be present on the surface. This can be done through various methods such as chemical cleaning, mechanical scrubbing, or high-pressure water cleaning. After the cleaning process, the steel strips may undergo additional treatments such as pickling or descaling. Pickling involves immersing the strips in an acid solution to remove any scale or oxides from the surface. Descaling, on the other hand, is a mechanical process that uses abrasive materials or brushes to remove the surface impurities. Once the cleaning and descaling processes are complete, the steel strips may be treated with various coatings or finishes to enhance their appearance, protect against corrosion, or improve their functional properties. Common surface finishing techniques include galvanizing, electroplating, powder coating, or painting. Galvanizing involves immersing the steel strips in a bath of molten zinc, creating a protective zinc coating on the surface. Electroplating, on the other hand, uses an electrolytic process to deposit a thin layer of metal, such as chrome or nickel, onto the steel surface. Powder coating involves applying a dry powder to the steel strips and then baking them to create a durable and attractive finish. Painting, on the other hand, involves applying a liquid paint or coating to the surface, which is then cured through heat or chemical reactions. Overall, the surface finishing process for steel strips involves a combination of cleaning, descaling, and applying various coatings or finishes to achieve the desired appearance, protection, or functionality. Each step is essential in ensuring the quality and durability of the finished steel strips.
- Q: What are the main factors affecting the surface roughness of steel strips?
- The main factors affecting the surface roughness of steel strips include the quality of the steel material, the manufacturing process, the tooling used, the lubrication system, and the operating conditions such as speed and pressure.
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Colorful Corrugated GI Galvanized Steel Sheet
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 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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