• Prime Q275 80mm Square Alloy Steel Billet System 1
  • Prime Q275 80mm Square Alloy Steel Billet System 2
  • Prime Q275 80mm Square Alloy Steel Billet System 3
  • Prime Q275 80mm Square Alloy Steel Billet System 4
  • Prime Q275 80mm Square Alloy Steel Billet System 5
  • Prime Q275 80mm Square Alloy Steel Billet System 6
Prime Q275 80mm Square Alloy Steel Billet

Prime Q275 80mm Square Alloy Steel Billet

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
100 m.t.
Supply Capability:
10000 m.t./month

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Structure of Prime Q275 80mm Square Alloy Steel Billet  

 Prime Q275 80mm Square Alloy Steel Billet

Description of Prime Q275 80mm Square Alloy Steel Billet  

1. Prepainted steel coil is coated with organic layer, which provides higher anti-corrosion property and a longer lifespan than that of galvanized or galvalume steel sheets. 

2. The base metals for prepainted steel coil consist of cold rolled, HDGI Steel, electro-galvanized and hot-dip alu-zinc coated steel. The finish coats of prepainted steel coil can be classified into groups as follows: polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc.

3. The production process has evolved from one-coating-and-one-baking to double-coating-and-double-baking, and even three-coating-and-three-baking.

4. The color of the prepainted steel coil has a very wide selection, like orange, cream-colored, dark sky blue, sea blue, bright red, brick red, ivory white, porcelain blue, etc.

5. The prepainted steel coils can also be classified into groups by their surface textures, namely regular prepainted sheets, embossed sheets and printed sheets.

 Prime Q275 80mm Square Alloy Steel Billet

 

Main Feature of Prime Q275 80mm Square Alloy Steel Billet  

Uncoated CR steel sheet 

With the features of in line with the international highest standards in demension and shape, excellent surface finish and properties, the products are mainly used in home appliance and automobile industries.

Galvanized steel sheet(include HDG and EG)

With the features of good corrosion resistance, the products are mainly used in automobile, home appliance, electronics, building and machinery manufacture industries, etc.

Precoated steel sheet

With the features of enviromental protection and good processablility, long lasting surface durability, rich in colors, the products are maily used in building, home appliance and furniture industries, etc.

 

Applications of Prime Q275 80mm Square Alloy Steel Billet 

 A. Corrugated design makes it excellent waterproof performance
 B. Materials as prepainted steel sheets, galvanized steel sheets, galvalume (Al-Zn coated sheets) are available to make corrugated sheet.
 C.Those material are durable, anti-corrosion in bad weather for 20-30 years based on it's Zinc(Galvanized) coating or AZ (Galvalume) coating.
 D. Different shape of the sheet make it suitable for any style of buildings.
 E.Easy to install, no need special tools to fix the sheet.
 F.Light weight due to high strength to weight ratio of steel. Light weight means easier handling lower shipping costs, easier installation
 G. Different color is availbe base on the RAL Standard make your building more beautiful.
 H. We will provide the best solutions if you don't have a exact idea of the specification you want for the steel sheet based on your weather conditions, engineering structure, construction budget and so on.

  Prime Q275 80mm Square Alloy Steel Billet

 

Specifications of Prime Q275 80mm Square Alloy Steel Billet 

Product

Billet

Material Grade

SGCC / SGCH  / DX51D+AZ, etc

Thickness

0.6-3.0mm

Width

500-1500mm

Tolerance

Thickness: +/-0.02mm , Width:+/-2mm

Zinc-coating

Z30-150g/m2

Technique

Raw material: Hot rolled steel coil --> Cold rolled_>hot dipped galvalume

Surface

Dried, Chromated, Unoiled

Spangle

Regular spangle , small spangle, zero spangle

ID

508MM 610MM

Coil weight

1-25MT

Export package

Cardboard inner sleeves, Waterproof paper, galvanized steel covered and steel strip packed

  

FAQ of Prime Q275 80mm Square Alloy Steel Billet 

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?
  Our delivery time about 15-20days for standard sizes, if you have other requirements like hardness, quanity and width ,it is about 20-40days. But don't worry we also try our best for the delivery time ,because time longer and our cost is higher.

Q:How do steel billets differ from steel bars?
Steel billets and steel bars are both forms of semi-finished steel products, but they differ in terms of their size, shape, and production process. Steel billets are typically square or rectangular in shape and have a larger cross-sectional area compared to steel bars. They are produced through a casting process, where liquid steel is poured into molds and then allowed to solidify. On the other hand, steel bars are long, cylindrical shapes that are formed by rolling billets through a series of rolling mills. The rolling process increases the length and reduces the cross-sectional area of the steel, resulting in a more uniform shape and size.
Q:How do steel billets contribute to the infrastructure development sector?
Steel billets play a crucial role in the infrastructure development sector by serving as the foundation for various construction projects. These billets are used to produce structural steel products, such as beams, columns, and reinforcement bars, which are essential components in building bridges, highways, buildings, and other infrastructure projects. The strength and durability of steel billets make them ideal for withstanding heavy loads and adverse weather conditions, ensuring the long-term stability and safety of structures. Moreover, their versatility allows for easy fabrication and customization, enabling engineers and architects to design innovative and efficient solutions for infrastructure development. Overall, steel billets provide the necessary strength, reliability, and flexibility to support the growth and sustainability of the infrastructure development sector.
Q:How are steel billets used in the production of crankshafts?
Steel billets are used in the production of crankshafts as they serve as the raw material that is shaped and machined to form the main body of the crankshaft. These billets are heated, forged, and then machined to create the precise shape and dimensions required for the crankshaft. This process ensures the strength, durability, and performance of the crankshaft in engines.
Q:Can steel billets be used for making musical instruments?
Yes, steel billets can be used for making musical instruments, particularly for percussion instruments like steel drums and xylophones.
Q:What are the main challenges in steel billet production?
Some of the main challenges in steel billet production include maintaining consistent quality, optimizing production processes to minimize energy consumption and waste, ensuring proper inventory management to meet customer demand, and dealing with fluctuations in raw material prices. Additionally, meeting environmental regulations and addressing safety concerns are also significant challenges in steel billet production.
Q:How do steel billets contribute to the mining industry?
Steel billets are an important component of the mining industry as they play a crucial role in the production of various mining equipment and infrastructure. These billets, which are semi-finished steel products, are used to manufacture a wide range of tools and machinery required for mining activities. One of the primary applications of steel billets in the mining industry is in the production of mining machinery and equipment. These billets are used to create the structural components of heavy machinery such as excavators, bulldozers, and drilling rigs. The strength and durability of steel make it an ideal material choice for these applications, as it can withstand the harsh conditions and heavy loads encountered in mining operations. Steel billets are also utilized in the construction of mining infrastructure. Mining operations require the construction of various structures such as conveyor systems, processing plants, and storage facilities. Steel billets are used to fabricate the structural elements of these buildings, providing the necessary strength and stability to support the mining operations. In addition, steel billets are essential for manufacturing mining tools and equipment. Tools such as drills, hammers, and picks are made from steel billets due to their strength and hardness. These tools are used in various mining processes, including exploration, extraction, and processing of minerals. Furthermore, steel billets contribute to the mining industry by enabling the transportation of extracted minerals. Steel billets are used to manufacture rail tracks and wagons, which are essential for the transportation of minerals from the mining site to processing facilities or ports for export. Overall, steel billets are a vital component of the mining industry, supporting the production of machinery, infrastructure, tools, and transportation systems. Their strength, durability, and versatility make them an indispensable material in the mining sector, helping to drive its growth and efficiency.
Q:How are steel billets used in the manufacturing of springs?
Steel billets are used in the manufacturing of springs by being heated and then forged or rolled into the desired shape and size. These billets serve as the raw material for producing high-quality springs, providing the necessary strength and durability required for various applications.
Q:What are the common defects in steel billets during hot rolling?
Certain defects may be experienced by steel billets during hot rolling, which could potentially impact the quality of the final product. Some commonly encountered defects include: 1. Longitudinal surface cracks: These cracks appear on the surface of the billet and may occur due to inadequate cooling, high rolling temperatures, or inferior steel quality. Surface cracks can compromise the structural integrity and performance of the product. 2. Internal cracks: These cracks are found within the billet, away from the surface. They can be caused by insufficient billet heating, uneven temperature distribution, or improper rolling parameters. Internal cracks may lead to material failure or inconsistencies in the final product's dimensions. 3. Surface defects: These defects encompass scales, pits, or scars on the surface of the billet. They are often a consequence of subpar billet preparation, inadequate scale removal, or improper rolling techniques. Surface defects can impact the appearance and surface quality of the final product. 4. Lamination: Lamination defects manifest when there are layers or separations within the billet. They can be caused by impurities in the steel, improper billet preparation, or inadequate rolling parameters. Laminations can result in diminished mechanical properties and compromised structural integrity of the final product. 5. Warping: Warping defects occur when the billet experiences uneven cooling or excessive rolling tensions. This can cause distortion or bending of the billet, leading to inconsistencies in the final product's dimensions. 6. Inclusions: Inclusions refer to non-metallic particles or impurities that become trapped within the steel during the billet formation process. They can lead to reduced mechanical properties, surface defects, or material failure in the final product. To mitigate these defects, it is crucial to exercise proper control over rolling parameters, billet preparation, and cooling processes. Regular inspections and the implementation of quality control measures should be employed to detect and address any defects that may arise during hot rolling.
Q:What are the international standards for steel billets?
The International Organization for Standardization (ISO) and the American Society for Testing and Materials (ASTM) are the primary governing bodies for international steel billet standards. They have developed various standards to guarantee the quality and consistency of steel billets worldwide. ISO 4948-1:2019 outlines the general requirements for steel billets that will be converted into seamless tubes and pipes. It encompasses dimensions, tolerances, surface conditions, and test methods to evaluate the physical and mechanical properties of the billets. By adhering to ISO 4948-1, the billets are ensured to meet the necessary criteria for subsequent tube and pipe manufacturing processes. ASTM A370 serves as the standard test method for the mechanical testing of steel products, including billets. This standard provides guidelines for various mechanical tests such as tension, hardness, and impact tests, which assess the strength, ductility, and toughness of the billets. It guarantees that the billets meet the specified mechanical properties required for their intended applications. Aside from ISO and ASTM standards, there are also regional and national standards that apply to steel billets. For instance, the European Committee for Standardization (CEN) has developed the EN 10025 series of standards that cover the technical delivery conditions for structural steels, including billets. These standards specify the chemical composition, mechanical properties, and testing requirements for the billets used in construction and other structural applications in Europe. Overall, the international standards for steel billets aim to establish uniformity and quality control in the production and utilization of these materials across various industries and regions. Complying with these standards ensures that steel billets meet the necessary criteria for subsequent processing and application, thereby ensuring safety, reliability, and performance.
Q:What are the main factors affecting the surface quality of steel billets?
Several factors influence the surface quality of steel billets. Firstly, the cleanliness of the steel is crucial. Impurities like oxides, scale, and inclusions can negatively impact the surface, causing defects such as pits, cracks, and roughness. Secondly, the temperature during the steelmaking process is important. Overheating can result in excessive scaling and oxidation, leading to a poor surface finish. Insufficient heating, on the other hand, can cause a non-uniform surface and inconsistent mechanical properties. Residual stresses also affect the surface quality. Uneven cooling or improper heat treatment can result in surface cracks, warping, or distortion. Surface treatment processes and their effectiveness also impact the surface quality. Grinding, polishing, or shot blasting can improve the surface finish by eliminating defects and creating a smoother surface. The quality of equipment and tools used in steel production plays a significant role as well. Worn-out or poorly maintained machinery can cause surface defects, inadequate surface preparation, or improper handling, thus affecting the final surface quality. Lastly, the composition and microstructure of the steel itself influence the surface quality. Variations in alloying elements, grain size, and phase distribution can affect the surface finish, hardness, and overall quality of the billets. In conclusion, cleanliness, temperature control, residual stresses, surface treatment processes, equipment quality, and steel composition are the main factors that affect the surface quality of steel billets. Proper steelmaking practices, surface treatments, and quality control measures are crucial in achieving high-quality steel billets with superior surface finish.

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