• Prime Q275 125mm Square Alloy Steel Billet System 1
  • Prime Q275 125mm Square Alloy Steel Billet System 2
  • Prime Q275 125mm Square Alloy Steel Billet System 3
  • Prime Q275 125mm Square Alloy Steel Billet System 4
  • Prime Q275 125mm Square Alloy Steel Billet System 5
  • Prime Q275 125mm Square Alloy Steel Billet System 6
Prime Q275 125mm Square Alloy Steel Billet

Prime Q275 125mm 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 125mm Square Alloy Steel Billet  

 Prime Q275 125mm Square Alloy Steel Billet

Description of Prime Q275 125mm 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 125mm Square Alloy Steel Billet

 

Main Feature of Prime Q275 125mm 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 125mm 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 125mm Square Alloy Steel Billet

 

Specifications of Prime Q275 125mm 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 125mm 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 are steel billets used in the production of heat exchangers?
Heat exchangers rely on steel billets as a fundamental element in their manufacturing process. These devices facilitate the transfer of heat between various fluids, such as air and water, without direct contact. As semi-finished metal products, steel billets serve as the primary raw material for creating the different components of heat exchangers. To begin with, steel billets are utilized in the production of tubes and pipes, which form the primary framework of heat exchangers. These tubes are engineered to endure high pressures and temperatures while effectively transferring heat. Given its exceptional strength and thermal conductivity, steel is an ideal material for this purpose. Subsequently, steel billets undergo various techniques, including hot rolling, forging, or extrusion, to shape them into the required dimensions. This process guarantees that the tubes and pipes possess the desired diameter, thickness, and length, all of which significantly impact the heat transfer efficiency of the heat exchanger. Furthermore, steel billets are also employed in the manufacturing of fins and plates for heat exchangers. Fins are slender, elongated structures that enhance the surface area of the heat exchanger, thus facilitating improved heat transfer. Steel billets are shaped and trimmed to create these fins, which are then affixed to the tubes or plates. These fins provide additional points of contact for heat transfer and contribute to enhancing the overall efficiency of the heat exchanger. In addition, steel billets are crucial in the production of headers and manifolds, which play a crucial role in the distribution and collection of fluids within the heat exchanger. These headers ensure that the fluids flow through the tubes and fins in a controlled manner, maximizing heat transfer and minimizing pressure losses. The strength and durability of steel make it an appropriate material for these vital components. In conclusion, the significance of steel billets in the production of heat exchangers cannot be overstated. They are instrumental in the creation of tubes, pipes, fins, headers, and manifolds, all of which are indispensable components for these devices. By utilizing steel, the heat exchangers benefit from the durability, strength, and thermal conductivity required for efficient heat transfer.
Q:What are the different methods used for heating steel billets?
Heating steel billets can be achieved through various methods, each tailored to meet specific application requirements and constraints. Some commonly employed techniques include: 1. Induction Heating: By passing an alternating current through a coil, electromagnetic induction generates a magnetic field that induces electrical currents in the billet, subsequently producing heat. This method provides precise and controllable heating, ensuring uniformity throughout the billet. 2. Gas Furnaces: Utilizing burners, gas furnaces generate heat that is then transferred to the steel billets via convection. Commonly fueled by natural gas or propane, these furnaces offer flexibility in terms of temperature control, heating rate, and energy efficiency. 3. Electric Resistance Heating: This method involves passing electric current through resistive elements, such as heating elements or heating pads, in direct contact with the steel billets. The resistance to the electric current generates heat, which is then transferred to the billets. Electric resistance heating is typically used for smaller-scale operations or applications with specific heating requirements. 4. Flame Heating: Flame heating employs an open flame, usually produced by a gas burner, to heat the steel billets. The billets absorb the radiant heat emitted by the flame, resulting in heating. Flame heating is commonly utilized for larger billets or applications that necessitate rapid heating. 5. High-Frequency Heating: Through the use of electromagnetic fields, high-frequency heating achieves billet heating. The billets are positioned within a coil, and a high-frequency alternating current is passed through the coil, generating electrical currents in the billets. Heat is produced as a result of the resistance to these electrical currents, ensuring rapid and uniform heating. 6. Laser Heating: High-powered lasers are employed in laser heating to heat the steel billets. The laser beam is focused on the billet's surface, allowing for intense heat generation through the absorption of laser energy. Laser heating provides precise and localized heating, making it suitable for specific applications or for heat treating small areas of the billets. These aforementioned methods represent only a fraction of the techniques commonly employed for heating steel billets. The choice of method depends on various factors, including the required heating rate, temperature control, energy efficiency, and the specific characteristics of the billets.
Q:How are steel billets recycled at the end of their lifespan?
Steel billets, when they reach the end of their lifespan, undergo a process called steel scrap recycling. This process involves the collection and segregation of the billets from other materials. Subsequently, the billets are cleaned to eliminate contaminants and sorted based on their composition and quality. The subsequent step in the recycling process encompasses melting the steel billets in a furnace. The high temperatures in the furnace cause the steel to melt, effectively separating it from any impurities. Various techniques, such as electric arc furnaces or basic oxygen furnaces, can be employed for this purpose. Upon melting, the steel is then cast into either new billets or other steel products, depending on the desired end product, such as bars, rods, or sheets. The molten steel is poured into molds to acquire the desired shape and subsequently cooled down to solidify. Following solidification, the newly formed steel billets undergo further processing to eliminate any surface imperfections and achieve the desired dimensions. Processes like hot rolling, cold rolling, or heat treatment may be employed to enhance the mechanical properties of the steel. The recycled steel billets find applications across various industries, including construction, automotive, and manufacturing, to manufacture a diverse range of products. By recycling steel billets, the material's lifespan is extended, thereby reducing the necessity for virgin steel production and conserving valuable natural resources. Furthermore, recycling steel billets aids in diminishing energy consumption and greenhouse gas emissions associated with the production of new steel. In conclusion, the recycling process for steel billets at the end of their lifespan plays a crucial role in the circular economy, fostering sustainability and resource efficiency within the steel industry.
Q:How are steel billets used in the manufacturing of power transmission towers?
Steel billets are an integral component in the manufacturing of power transmission towers. These towers, which are used to support electrical power lines, require a strong and durable material to withstand the weight and stress of the overhead cables. Steel billets, which are essentially semi-finished steel products, serve as the raw material for the fabrication of power transmission towers. The billets are typically made of high-quality steel, which possesses excellent strength and structural properties. The manufacturing process begins with the selection and preparation of steel billets. These billets are heated to a specific temperature, known as the forging temperature, in a furnace. Once the billets reach the desired temperature, they are transferred to a rolling mill, where they are shaped and formed into the required sections for the power transmission towers. Using various rolling techniques, the heated steel billets are transformed into long, slender sections known as angles, channels, or I-beams. These sections are carefully crafted to provide the necessary structural integrity and load-bearing capacity required for power transmission towers. Once the steel sections are formed, they undergo further processes such as cutting, drilling, and welding to create the tower's components. These components include the legs, braces, cross arms, and other reinforcements that make up the tower structure. The steel billets used in the manufacturing of power transmission towers are crucial for ensuring the towers' strength, stability, and longevity. Steel's high strength-to-weight ratio makes it an ideal material for supporting the weight of the cables and withstanding external forces such as wind and ice loads. Additionally, steel's resilience and durability make it capable of withstanding harsh environmental conditions, including extreme temperatures and corrosive elements. In conclusion, steel billets are a fundamental material used in the manufacturing of power transmission towers. Through a series of heating, rolling, and fabrication processes, these billets are transformed into the various structural sections and components that make up the towers. The use of steel ensures that the power transmission towers possess the necessary strength, stability, and resilience to support the electrical power lines effectively.
Q:What are the different types of steel billet rolling defects?
During the rolling process, various defects can arise in steel billets, which can have adverse effects on the final product's quality and integrity. The most commonly encountered types of steel billet rolling defects are as follows: 1. Surface cracks: These are minute cracks that manifest on the billet's surface. They can result from inadequate cooling or excessive rolling pressure. Surface cracks jeopardize the steel's strength and durability. 2. Center cracks: Inner core cracks occur when temperature control during the rolling process is incorrect. Center cracks can lead to structural weaknesses and reduced steel performance. 3. Scalloping: Scalloping refers to the formation of shallow depressions or grooves on the billet's surface. It usually arises due to uneven or improper rolling pressure distribution. Scalloping negatively impacts the steel's appearance and surface quality. 4. Lamination: Lamination defects involve the separation of layers within the billet. They can be caused by the presence of impurities or inclusions in the steel, as well as inadequate heating or rolling conditions. Lamination defects weaken the steel and increase the risk of failure. 5. Wavy edges: Wavy edges occur when the billet's edges become uneven or distorted during rolling. This can be the result of improper alignment or uneven pressure distribution. Wavy edges affect the steel's dimensional accuracy and overall quality. 6. Surface defects: Surface defects encompass scratches, pits, or other imperfections on the billet's surface. They may occur due to insufficient cleaning or handling procedures, as well as improper rolling conditions. Surface defects impact the steel's appearance and surface quality. In conclusion, these steel billet rolling defects hold significant implications for the final product's quality, performance, and safety. Manufacturers must closely monitor the rolling process and implement appropriate quality control measures to minimize the occurrence of these defects.
Q:What are the different surface finishes available for steel billets?
There are several different surface finishes available for steel billets, depending on the specific requirements and applications. Some of the commonly used surface finishes include: 1. Hot Rolled: This is the most basic surface finish obtained by rolling the steel billets at high temperatures. It results in a rough and scaled surface, which is suitable for applications where aesthetics are not a concern. 2. Cold Rolled: In this process, the steel billets are rolled at room temperature to achieve a smoother and more polished surface finish. Cold rolling helps to improve the dimensional accuracy and surface quality of the billets. 3. Pickled and Oiled: This surface finish involves the removal of scale and rust from the steel billets by using an acid solution, followed by an oil coating to prevent corrosion. It provides a clean and rust-free surface, commonly used in the automotive and construction industries. 4. Galvanized: Galvanizing involves the application of a zinc coating to the steel billets to protect them from corrosion. This surface finish provides excellent corrosion resistance, making it suitable for outdoor applications, such as fencing, roofing, and structural components. 5. Passivated: Passivation is a chemical process that removes free iron from the steel surface, enhancing its corrosion resistance. This surface finish is commonly used in the production of stainless steel billets to improve their resistance to rust and other forms of corrosion. 6. Shot Blasting: Shot blasting involves the projection of small abrasive particles onto the steel billets' surface to remove scale, rust, and other impurities. This process results in a textured and uniform surface finish, ideal for applications where improved adhesion is required, such as painting or coating. 7. Polished: Polishing is a mechanical process that involves the use of abrasive materials to smoothen the surface of steel billets and achieve a high-gloss finish. This surface finish is often used in decorative applications, such as furniture, architectural components, and jewelry. It is important to note that the choice of surface finish for steel billets depends on various factors, including the intended application, desired aesthetics, and the level of corrosion resistance required.
Q:How do steel billets contribute to the manufacturing of renewable energy systems?
The manufacturing of renewable energy systems heavily relies on steel billets, as they serve as the necessary foundation for various components. These billets are essentially semi-finished steel products that are cast into specific shapes, making them highly adaptable and versatile for different renewable energy applications. Wind turbines, for instance, require a sturdy and stable structure to support the blades and generator. Steel billets are used to construct the tower, which acts as the backbone of the wind turbine. These towers must endure harsh weather conditions and bear the weight of the blades, making the strength and durability of steel crucial. Similarly, solar energy systems, particularly photovoltaic (PV) panels, also rely on steel billets. Steel frames are utilized to provide structural support for the PV panels, ensuring they are securely mounted and capable of withstanding various environmental conditions. Additionally, steel billets are used in the production of solar trackers, which optimize the positioning of PV panels to maximize energy generation by tracking the sun's path throughout the day. Moreover, steel billets contribute to the manufacturing of hydroelectric power systems. In hydroelectric power plants, large turbines are utilized to convert the energy from flowing water into electricity. These turbines necessitate strong and reliable components, such as shafts and mechanical parts, which are often made from steel billets. The high strength and corrosion resistance of steel make it an ideal material for these applications. Furthermore, steel billets are employed in the production of energy storage systems, like batteries. These billets are used to create durable and secure enclosures for the batteries, ensuring their protection and safe operation. Steel's ability to withstand high temperatures and resist fire makes it a suitable choice for battery housing and containment. In conclusion, steel billets are indispensable in the manufacturing of renewable energy systems, providing the required strength, durability, and versatility for various components. Whether it is wind turbines, solar panels, hydroelectric turbines, or energy storage systems, steel billets play a critical role in enabling the reliable and efficient generation of renewable energy.
Q:What are the common surface defects in steel billets during reheating?
Several surface defects may occur during the reheating process of steel billets, which can negatively impact the quality and integrity of the final product. Some of the most common surface defects observed in steel billets during reheating are as follows: 1. Scale Formation: When steel billets are subjected to high temperatures, a layer of iron oxide, referred to as scale, can develop on the surface. Scale is brittle and can easily crack or flake off, resulting in a rough and uneven surface. 2. Decarburization: Exposing steel billets to high temperatures causes the loss of carbon from the surface, known as decarburization. This leads to a decrease in carbon content on the surface, making it susceptible to cracking, reduced hardness, and poor mechanical properties. 3. Surface Oxidation: During reheating, steel billets can undergo oxidation when exposed to oxygen in the air. This results in the formation of a thin layer of oxide on the surface, affecting the surface finish and potentially reducing the steel's corrosion resistance. 4. Overheating: If the reheating process causes localized melting or partial melting of the steel billets, it is referred to as overheating. This can lead to surface irregularities, such as pits, cracks, or blisters, compromising the integrity of the billets. 5. Hot Spots: Uneven heating of the steel billets can cause hot spots to form on the surface. These localized areas of excessive heat can result in surface defects like warping, cracking, scorching, or discoloration. 6. Surface Contamination: During reheating, steel billets may come into contact with contaminants such as dirt, oil, or other foreign materials. These contaminants can adhere to the surface, leading to surface defects like stains, pitting, or an uneven surface finish. 7. Thermal Shock: Rapid temperature changes during reheating can cause thermal shock, resulting in surface defects like cracks or distortions. This can occur when the steel billets are exposed to water or a cooling medium, or when there are significant temperature differences across the surface. To minimize these surface defects in steel billets during reheating, it is essential to employ proper heating techniques, control heating rates, and use protective coatings or atmospheres. Additionally, regular inspection and quality control measures can help identify and mitigate surface defects before they impact the final product's quality.
Q:What are the different types of surface defect detection methods for steel billets?
There are various types of surface defect detection methods used for steel billets. Some of the commonly employed techniques include visual inspection, magnetic particle inspection, ultrasonic testing, eddy current testing, and laser scanning. 1. Visual Inspection: This is the simplest and most traditional method, where trained inspectors visually examine the surface of steel billets for any signs of defects such as cracks, scratches, or foreign material. 2. Magnetic Particle Inspection (MPI): MPI is a non-destructive testing method that uses magnetic fields and iron particles to detect surface defects. The billet is magnetized, and iron particles are applied to the surface. Any defect causes a leakage of magnetic flux, attracting the iron particles and forming visible indications. 3. Ultrasonic Testing (UT): UT involves the use of high-frequency sound waves to detect internal and surface defects in steel billets. A transducer emits ultrasonic waves into the billet, and the reflected waves are analyzed to identify any flaws or irregularities. 4. Eddy Current Testing (ECT): ECT utilizes electromagnetic induction to detect surface defects. A coil carrying an alternating current is placed near the billet's surface, which generates eddy currents. Any variation in the surface, like cracks or corrosion, alters the eddy currents, and this change is detected by the instrument. 5. Laser Scanning: Laser scanning is a relatively advanced method that uses laser technology to scan the surface of steel billets. The laser beam reflects off the surface, and a sensor analyzes the reflected light to identify any surface defects, such as scratches or dents. These different methods vary in terms of their sensitivity, speed, and cost-effectiveness. The choice of the appropriate surface defect detection method depends on factors such as the required level of accuracy, the type of defects to be detected, and the specific industry requirements.
Q:Can steel billets be used for artistic purposes?
Yes, steel billets can certainly be used for artistic purposes. While steel billets are typically used as raw material in industrial applications such as construction or manufacturing, they can also be transformed into beautiful works of art. Artists often use steel billets to create sculptures, decorative pieces, or even functional objects like furniture. The versatility of steel allows artists to mold and shape it into various forms, while its strength and durability ensure the longevity of the artwork. Moreover, the metallic appearance of steel can add a modern and industrial aesthetic to artistic creations. Overall, steel billets offer artists a unique medium to express their creativity and create visually stunning pieces.

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