• Prime quality prepainted galvanized steel 705mm System 1
  • Prime quality prepainted galvanized steel 705mm System 2
  • Prime quality prepainted galvanized steel 705mm System 3
  • Prime quality prepainted galvanized steel 705mm System 4
  • Prime quality prepainted galvanized steel 705mm System 5
  • Prime quality prepainted galvanized steel 705mm System 6
Prime quality prepainted galvanized steel 705mm

Prime quality prepainted galvanized steel 705mm

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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 705mm

 

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.

Specifications

Commodity Name: Prepainted Galvanized Steel Coil

Standard: AISI, ASTM, DIN, GB, JIS   

Grade: TDC52D+Z   

Thickness 0.13-8.0mm  

Width:600mm-1350mm

Zinc Coating:275g/m2

Polyester Coating Thickness:Top and Back coating thickness depend by Buyer Requirement.

Polyester Coating Type:2/2,1/2m,1/2.

Polyester Type: Polyester, silicone modified polyester, high durability polyester (HDP), polyvinylidene fluoride (PVDF)

Unit Roll Weight:5-20tons

Place of Origin Shanghai , China (Mainland)  

Surface Treatment :Color Coated

Manufacture Progress:HRC-CRC-GALVANIZED-COLOR COATED  

Application : Construction, electrical, transportation, steel plant, composite board plant, steel tile factory  

Payment & Shipping Terms:T/T ,L/C, and FOB CHINA 

Minimum Order Quantity: 25Tons  

Packge Type: Moisture-proof paper inner,Steel outside,Bundle by steel rope.

Package in Container : Wood as a foot pad, wire rope reinforcement,PPGI steel coil tied together by steel rope.


Q:The form of carbon in carbon steels
There are three solid solutions of carbon in iron: alpha solid solution (Tie Suti), gamma solid solution (austenite) and delta solid solution (8 ferrite). The spatial distribution of iron atoms in these solid solutions is consistent with that of alpha -Fe, gamma -Fe and delta -Fe. The size of carbon atoms is much smaller than that of iron atoms.
Q:How do steel billets contribute to the environmental sector?
Steel billets contribute to the environmental sector by promoting sustainability and reducing carbon emissions. They are a crucial raw material in the production of various steel products, including construction materials, automobiles, and appliances. Steel billets are typically made from recycled scrap metal, reducing the need for mining and conserving natural resources. Additionally, the steel industry has made significant advancements in energy efficiency and emission reduction, making steel billets a more environmentally friendly choice compared to other materials.
Q:What are the different types of mechanical property testing methods for steel billets?
There are several different types of mechanical property testing methods used to evaluate the quality and strength of steel billets. These methods include: 1. Tensile Testing: Tensile testing is one of the most commonly used methods to determine the mechanical properties of steel billets. It involves applying a tensile force to a small sample of the billet until it fractures. This test measures the strength, yield strength, elongation, and reduction in area of the material. 2. Impact Testing: Impact testing is used to assess the toughness and resistance to fracture of steel billets. It involves striking a notched specimen with a pendulum or hammer and measuring the energy absorbed during fracture. The results provide information about the material's ability to withstand sudden shocks or dynamic loads. 3. Hardness Testing: Hardness testing determines the resistance of the steel billet to indentation or scratching. Various methods can be employed, such as Rockwell, Brinell, or Vickers hardness testing. The results are often correlated with other mechanical properties, such as strength and ductility. 4. Charpy Testing: Charpy testing is a type of impact test specifically designed to evaluate the notch toughness of steel billets. It involves striking a notched specimen with a pendulum, and the energy absorbed during fracture is measured. This test is particularly useful in assessing the material's behavior under low-temperature conditions. 5. Bend Testing: Bend testing is performed to assess the ductility and flexibility of steel billets. It involves bending a sample around a specified radius until it fractures or shows signs of cracking. This test provides information about the material's ability to withstand deformation without breaking. 6. Fatigue Testing: Fatigue testing is used to evaluate the steel billet's resistance to cyclic loading or repeated stress. It involves subjecting a sample to a varying load, and the number of cycles required for failure is recorded. This test helps determine the material's durability and its ability to withstand long-term stress. These mechanical property testing methods play a crucial role in ensuring the quality and reliability of steel billets for various applications. By evaluating the strength, toughness, hardness, and other mechanical properties, manufacturers and engineers can make informed decisions about the suitability of the material for specific uses.
Q:How do steel billets contribute to energy efficiency?
Steel billets contribute to energy efficiency in several ways. Firstly, the production of steel billets typically involves recycling scrap metal, which requires significantly less energy compared to producing steel from raw materials. This recycling process helps conserve energy and reduces the carbon footprint associated with steel production. Additionally, steel billets are often used as a raw material in various industries, such as construction and manufacturing. The durability and strength of steel make it a long-lasting and energy-efficient material for building structures and producing goods. Its high thermal conductivity also allows for efficient heat transfer, making it suitable for applications that require temperature control or energy conservation. Overall, steel billets play a vital role in promoting energy efficiency by minimizing energy consumption during production and offering sustainable solutions in various sectors.
Q:What is the typical elongation of a steel billet?
The typical elongation of a steel billet can vary depending on factors such as the specific grade of steel and the manufacturing process. However, a common range for elongation in steel billets is typically around 20-30%.
Q:What are the factors that affect the price of steel billets?
The price of steel billets can be affected by several factors. 1. Raw material costs have a significant impact on the price of steel billets. Fluctuations in the cost of iron ore, coal, and other raw materials used in steel production directly influence the price of steel billets. 2. The supply and demand dynamics of steel billets play a crucial role in determining their price. An increase in demand for steel products, such as construction materials or automotive parts, can drive up the price of steel billets. Conversely, an oversupply can lead to a decrease in price. 3. Energy costs required for steel production can impact the price of steel billets. Fluctuations in energy prices affect the overall production cost and, subsequently, the price of steel billets. 4. Currency exchange rates can have a significant impact on the price of steel billets. If the currency of the country producing steel billets weakens against other currencies, it can make the product more affordable and potentially increase demand. 5. Government regulations, trade policies, and tariffs imposed on steel billets can influence their price. Tariffs can increase the cost of imported steel billets, making domestically produced steel billets relatively more competitive and potentially leading to higher prices. 6. The overall state of the economy, both locally and globally, can impact the price of steel billets. During periods of economic growth, there is typically higher demand for steel products, which can drive up the price. Conversely, during economic downturns, demand may decrease, resulting in lower prices. 7. Technological advancements in steel production can impact the price of steel billets. Innovations that increase efficiency and reduce production costs can potentially lead to lower prices, while new technologies that improve the quality or properties of steel billets may command a higher price. It is important to note that these factors are interconnected and can influence each other. Therefore, understanding the complex relationship between these factors is essential in analyzing and predicting the price of steel billets.
Q:What are the different types of steel billet inspection techniques?
In the industry, various techniques are utilized for inspecting steel billets to ensure their quality and integrity before further processing or utilization in manufacturing. Some commonly employed inspection techniques comprise: 1. Visual Inspection: Inspectors visually examine the steel billets for surface defects like cracks, pits, or deformities, making it a quick and effective method for detecting obvious visual defects. 2. Dimensional Inspection: This technique involves measuring the dimensions of the steel billet using tools like Vernier calipers or micrometers, ensuring that the billets meet the required dimensional specifications. 3. Ultrasonic Testing: High-frequency sound waves are used in ultrasonic testing to detect internal defects or inconsistencies in the steel billets. This technique can identify defects like cracks, voids, or inclusions that may not be visible to the naked eye. 4. Magnetic Particle Inspection: By applying magnetic fields to the steel billets and utilizing iron particles or magnetic ink, this technique identifies surface and near-surface defects, particularly cracks or discontinuities. 5. Eddy Current Testing: Eddy current testing utilizes electromagnetic induction to detect surface defects and measure the conductivity or thickness of the steel billets. It is a non-destructive technique that can identify defects like cracks, corrosion, or variations in material thickness. 6. Radiographic Testing: X-rays or gamma rays are employed in this technique to inspect the internal structure of the steel billets, enabling the detection of defects like inclusions, voids, or improper internal structure. 7. Dye Penetrant Inspection: By applying a dye or fluorescent liquid to the steel billets, dye penetrant inspection detects surface defects. The dye seeps into cracks or discontinuities, and excess dye is wiped off, leaving only the dye trapped in the defects, which can be easily identified under UV light. These techniques are commonly used for inspecting steel billets, with each having its own advantages and limitations. The choice of technique depends on factors such as the type and size of the billets, the level of defect detection required, and budget constraints.
Q:What are the different surface treatments for steel billets?
The different surface treatments for steel billets include hot rolling, cold rolling, shot blasting, and pickling.
Q:What are the properties of steel billets?
Steel billets are semi-finished products that are typically rectangular in shape and serve as the starting point for the production of various steel products. They possess several distinct properties, including: 1. High strength: Steel billets have exceptional strength due to the presence of carbon and other alloying elements. This enables them to withstand heavy loads and provide structural integrity in various applications. 2. Ductility: Steel billets can be easily deformed without fracturing, making them highly ductile. This property allows for the shaping and forming of the billets into different products through processes such as rolling, forging, and extrusion. 3. Thermal conductivity: Steel billets have good thermal conductivity, meaning they can efficiently transfer heat. This property is particularly useful in applications that involve heat treatment or require heat dissipation, such as in the manufacturing of automotive parts or machinery. 4. Corrosion resistance: Steel billets can exhibit a certain level of corrosion resistance depending on their composition and surface treatment. However, they are generally prone to rusting if not properly protected, so additional measures like coatings or galvanization may be necessary. 5. Machinability: Steel billets are known for their machinability, which refers to their ability to be easily cut, drilled, or milled into desired shapes and sizes. This property makes them suitable for a wide range of machining operations, facilitating the production of intricate parts and components. 6. Recyclability: Steel billets are highly recyclable due to the inherent recyclability of steel as a material. This property not only reduces waste and environmental impact but also contributes to the sustainability of steel production. Overall, the properties of steel billets make them an essential and versatile material in various industries, including construction, automotive, machinery, and manufacturing.

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