• Prime quality prepainted galvanized steel 625mm System 1
  • Prime quality prepainted galvanized steel 625mm System 2
  • Prime quality prepainted galvanized steel 625mm System 3
  • Prime quality prepainted galvanized steel 625mm System 4
  • Prime quality prepainted galvanized steel 625mm System 5
  • Prime quality prepainted galvanized steel 625mm System 6
Prime quality prepainted galvanized steel 625mm

Prime quality prepainted galvanized steel 625mm

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

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Construction building material galvanized color prepainted cold

rolled steel coil

 

Prepainted steel sheet is coated with organic layer, which provides higher anti-corrosion property and

a longer lifespan than that of galvanized steel sheets.

 

The base metals for prepainted steel sheet consist of cold-rolled, HDG electro-galvanized and hot-dip

Alu-zinc coated. The finish coats of prepainted steel sheets can be classified into groups as follows:

polyester, silicon modified polyesters, polyvinylidene fluoride, high-durability polyester, etc

Prime quality prepainted galvanized steel 625mm

 

Standard and Grade :

Pre-paint galvanized steel coil



ASTM A755M-03

EN10169:2006

JISG 3312-2012

Commercial quality

                  CS

DX51D+Z

CGCC

 

 

 

Structure steel

SS GRADE 230

S220GD+Z

CGC340

SS GRADE 255

S250GD+Z

CGC400

SS GRADE 275

S280GD+Z

CGC440

SS GRADE 340

S320GD+Z

CGC490

SS GRADE550

S350GD+Z

CGC570


S550GD+Z


Application:

Outdoor

Roof, roof structure, surface sheet of balcony, frame of window, door of garage, rolled shutter door, booth, Persian blinds, cabana, etc

Indoor

Door, isolater, frame of door, light steel structure of house, home electronic appliances, ect.


Q:What are the main factors affecting the impact toughness of steel billets?
There are several main factors that can affect the impact toughness of steel billets. Firstly, the chemical composition of the steel plays a significant role. The presence of certain alloying elements such as carbon, manganese, and nickel can enhance the toughness of the steel. Higher carbon content generally results in increased hardness but can decrease impact toughness. On the other hand, the addition of manganese and nickel can improve toughness by promoting the formation of fine-grained structures. Secondly, the heat treatment process employed during the production of steel billets can greatly impact their toughness. Annealing and quenching processes can help to refine the microstructure of the steel, making it more resistant to cracking and brittle fracture. On the other hand, improper heat treatment or rapid cooling rates can lead to the formation of undesirable phases or microstructural defects, which can reduce the impact toughness. Thirdly, the presence of impurities and inclusions in the steel can also affect its toughness. Non-metallic inclusions, such as sulfides and oxides, can act as stress concentrators and initiate crack propagation during impact loading. Therefore, steel with lower levels of impurities and cleaner inclusion content tends to exhibit higher toughness. Furthermore, the grain size of the steel can have a significant influence on its toughness. Finer grain sizes generally result in improved toughness due to the increased number of grain boundaries that can act as barriers to crack propagation. Therefore, steel billets with smaller grain sizes are typically more resistant to brittle fracture. Lastly, the mechanical working processes, such as hot rolling or forging, can affect the toughness of steel billets. These processes can induce deformation and strain hardening, which can lead to an increase in strength but a potential decrease in toughness. Careful control of the deformation parameters is necessary to balance strength and toughness in steel billets. In summary, the impact toughness of steel billets is influenced by various factors including chemical composition, heat treatment, impurities and inclusions, grain size, and mechanical working processes. Understanding and optimizing these factors is crucial in producing steel billets with the desired level of toughness for specific applications.
Q:What are the international standards or certifications for steel billets?
The international standards or certifications for steel billets include ASTM A615/A615M-20, ASTM A706/A706M-16, BS 4449:2005+A3:2016, and EN 10025-2:2004. These standards provide specifications for the chemical composition, mechanical properties, and dimensions of steel billets, ensuring their quality and suitability for various applications in the construction industry.
Q:What is the lifespan of steel billets?
The lifespan of steel billets varies depending on various factors such as storage conditions, environmental exposure, and usage. However, with proper handling and maintenance, steel billets can last for several years to decades.
Q:How are steel billets used in the production of shipbuilding components?
Steel billets are essential in the production of shipbuilding components as they serve as the primary raw material. Shipbuilding components require a high level of strength, durability, and corrosion resistance, all of which can be achieved through the use of steel billets. Firstly, steel billets are heated and then passed through a series of rolling processes to produce various shapes and sizes of steel plates, beams, and bars. These components are crucial in the construction of the ship's hull, superstructure, and other structural components. For example, steel plates are used to form the ship's outer shell, while beams and bars are utilized to provide support and stability. Furthermore, steel billets can be forged or machined to create specialized shipbuilding components such as propeller shafts, rudder stocks, and engine mounts. These components play vital roles in the ship's propulsion system, steering mechanism, and overall functionality. Additionally, steel billets can be used to manufacture pipes and tubes that are crucial for the ship's plumbing, ventilation, and fuel systems. The use of steel billets in shipbuilding ensures the vessels are built to withstand the harsh marine environment, including extreme weather conditions and corrosive seawater. Steel is known for its high strength-to-weight ratio, making it an ideal choice for constructing large and sturdy ships. Moreover, steel is easily weldable, allowing for efficient assembly and fabrication processes during ship construction. Overall, steel billets are a fundamental component in shipbuilding, providing the necessary strength, durability, and corrosion resistance required for the construction of various ship components. From the hull and superstructure to specialized parts, steel billets are indispensable in the production of shipbuilding components.
Q:What are the causes of internal cracks in continuous casting billet?
The test according to the process of the sample for cooling, in order to study the effects of the three elements of the internal crack of continuous casting billet hot.
Q:How are steel billets used in the manufacturing of tools and equipment?
Steel billets are used in the manufacturing of tools and equipment as they serve as the raw material for shaping and forming various metal products. These billets are heated, forged, and machined to create different components such as shafts, gears, fasteners, and cutting tools. The high strength and durability of steel make it an ideal choice for manufacturing tools and equipment that require strength, precision, and resistance to wear and tear.
Q:Are steel billets subject to any international standards?
Steel billets must adhere to international standards, as set by the International Organization for Standardization (ISO). These standards govern the production, quality, and dimensions of steel billets, guaranteeing that they meet specific criteria and are suitable for use in various industries, including construction, manufacturing, and engineering. ISO standards like ISO 683-2 and ISO 16143-1 outline guidelines for the chemical composition, mechanical properties, and tolerances of steel billets. Moreover, international trade organizations such as the International Trade Commission (ITC) and the World Trade Organization (WTO) may also establish regulations and standards for the import and export of steel billets to ensure equitable trade practices and product safety. Consequently, to ensure uniformity, quality, and compliance across different countries and markets, steel billets are subject to international standards.
Q:Are steel billets used in the production of furniture?
No, steel billets are not typically used in the production of furniture. Furniture is commonly made from materials such as wood, plastic, or metal alloys, but steel billets are usually used in the manufacturing of other steel products such as bars, rods, or sheets.
Q:For example, screw plate (PU plate and manganese plate), carbon steel Primeton is what person rolling out?.
that in addition to the carbon and other elements, such as Cr, Mo etc., in which the carbon ratio below 30 for low alloy steel
Q:What are the main factors affecting the cost of steel billets?
The cost of steel billets can be influenced by several key factors. 1. Raw material expenses play a significant role in determining the overall cost of steel billets. The prices of iron ore and scrap metal, which are used in the production process, can fluctuate in the global market, causing the cost of steel billets to rise or fall. 2. The cost of manufacturing steel billets includes various production and processing costs. These expenses, such as energy, labor, and maintenance costs, can vary depending on factors like production efficiency, skilled labor availability, and energy source prices. 3. The balance between supply and demand in the steel billet market can heavily impact their cost. If there is high demand and limited supply, prices can increase. Conversely, if there is excess supply and low demand, prices can decrease. 4. The level of competition among steel producers can also affect the cost of steel billets. In a competitive market, prices may be driven down as producers vie for customers. In a less competitive market, producers may have more pricing power, leading to higher prices. 5. Government policies and trade barriers, such as import tariffs and quotas, can influence the cost of steel billets. These measures can either protect domestic producers or create opportunities for cheaper imports, depending on specific policies in place. 6. Fluctuations in currency exchange rates can impact the cost of steel billets. A stronger domestic currency can make imported steel billets cheaper, while a weaker currency can make them more expensive. 7. The cost of transporting steel billets from production facilities to end-users can also affect their overall cost. Factors like distance, transportation mode, and fuel prices can impact transportation expenses, which can, in turn, affect the final price of steel billets. It is important to consider that these factors can interact with each other and their impact on the cost of steel billets can vary based on market conditions and industry dynamics.

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