• Prime quality square alloy steel billet 110mm Q235 System 1
  • Prime quality square alloy steel billet 110mm Q235 System 2
  • Prime quality square alloy steel billet 110mm Q235 System 3
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Prime quality square alloy steel billet 110mm Q235

Prime quality square alloy steel billet 110mm Q235

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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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Structure of Prime quality square alloy steel billet 110mm Q235

 Prime quality square alloy steel billet 110mm Q235

Description of Prime quality square alloy steel billet 110mm Q235 

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 quality square alloy steel billet 110mm Q235

 

Main Feature of Prime quality square alloy steel billet 110mm Q235

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 quality square alloy steel billet 110mm Q235

Construction
Manufacture anticorrosion, industrial and civil architecture roof boarding, roof grille
Light industries
Home appliance's case, civil chimney, kitchen utensils
Auto industry
Corrosion resistant parts of cars
Agriculture
Food storage, meat and aquatic products' freezing and processing equipment
Commerce
Equipments to store and transport materials, and packing implements

  Prime quality square alloy steel billet 110mm Q235

 

Specifications of Prime quality square alloy steel billet 110mm Q235

Product

Prime quality square alloy steel billet 110mm Q235

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 quality square alloy steel billet 110mm Q235

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 stored to prevent rusting?
To prevent rusting, various measures are taken to store steel billets. Firstly, a dry and controlled environment with low humidity levels is typically utilized. This helps to minimize the presence of moisture, which is a primary catalyst for rust formation. Additionally, a protective layer such as oil or a rust inhibitor is often applied to the steel billets. This creates a barrier between the metal surface and the surrounding atmosphere, acting as a shield against moisture and oxygen. By preventing contact between these elements and the steel, rust formation is effectively hindered. Furthermore, to further reduce the risk of moisture absorption, steel billets are often stored off the ground. This is achieved by using pallets or racks to elevate the billets, allowing for proper air circulation. By doing so, the chances of condensation and subsequent rusting are greatly reduced. Regular inspection and maintenance are also vital in preventing rusting. Any signs of corrosion or damage to the protective coating should be promptly addressed to ensure the integrity of the steel billets. By implementing these storage practices, steel billets can be effectively safeguarded against rusting, ensuring their quality and usability for extended periods of time.
Q: What is the role of steel billets in the manufacturing of railway signaling systems?
The manufacturing of railway signaling systems relies heavily on steel billets. These billets are crucial as they serve as the primary raw material for producing various components necessary for the functioning of these systems. Railway signaling systems have the responsibility of ensuring the safe and efficient movement of trains on the tracks. They consist of a complex network of electrical and mechanical devices that control traffic flow, provide information to train operators, and maintain a safe distance between trains. To manufacture these systems, steel billets are utilized in multiple ways. Firstly, structural components of railway signaling systems, such as signal poles, posts, and brackets, are produced using steel billets. These components provide support for the signaling devices, including lights, signals, and indicators. Steel is chosen for these structural elements due to its high strength, durability, and resistance to environmental factors like wind, rain, and temperature fluctuations. Secondly, steel billets are used in the production of various electrical components required in railway signaling systems. These components, including wiring conduits, junction boxes, and mounting plates, house and protect the electrical connections and circuitry. Steel's electrical conductivity properties make it an ideal material for these applications. Furthermore, steel billets are also employed in manufacturing mechanical components within railway signaling systems. These components, such as gears, levers, and linkages, facilitate the movement and operation of the signaling devices. Steel's mechanical properties, such as hardness and ability to withstand high loads, ensure the reliability and longevity of these mechanisms. In conclusion, steel billets are indispensable in the manufacturing of railway signaling systems as they provide the necessary raw material for producing structural, electrical, and mechanical components. Their strength, durability, electrical conductivity, and mechanical properties make them well-suited for the demanding requirements of these systems, ultimately contributing to the safe and efficient operation of railways.
Q: What are the different surface defects in steel billets?
Some common surface defects in steel billets include cracks, scars, pits, surface roughness, and scale.
Q: How are steel billets used in the production of automotive suspension components?
Steel billets are used in the production of automotive suspension components by being heated and then shaped into the desired form, such as rods or bars, which are then further processed and machined to create various suspension parts like control arms, tie rods, and sway bars. The high strength and durability of steel billets make them ideal for withstanding the heavy loads and extreme conditions experienced by suspension components in vehicles.
Q: How are steel billets stored to prevent corrosion?
Steel billets are typically stored in covered warehouses or under protective tarps to shield them from moisture and exposure to air. Additionally, a corrosion inhibitor such as a rust-preventive coating or oil may be applied to the surface of the billets to create a barrier against oxidation.
Q: What are the different methods of steel billet surface finishing?
In the industry, various techniques are commonly employed for the surface finishing of steel billets. These techniques comprise: 1. Shot blasting: Shot blasting is a prevalent method utilized to cleanse and prepare steel billets for subsequent processing. It entails propelling abrasive particles onto the billet surface at high velocities. This process effectively eliminates rust, scale, and impurities, resulting in a pristine and smooth finish. 2. Grinding: Grinding is an alternative approach employed to attain a smooth and uniform surface finish on steel billets. It involves the utilization of abrasive wheels or belts to remove material from the billet surface. Depending on the billet size and requirements, grinding can be performed manually or using automated machinery. 3. Polishing: Polishing is generally employed to achieve a glossy and reflective finish on steel billets. This process entails the use of polishing compounds and buffing wheels to refine the surface and enhance its appearance. Polishing is commonly employed for decorative purposes or when a high-quality finish is desired. 4. Acid pickling: Acid pickling is a technique employed to eliminate oxide scale or rust from the surface of steel billets. It involves immersing the billets in an acid solution, such as hydrochloric acid, to dissolve impurities. Acid pickling is an effective method for achieving a uniform and clean surface finish on steel billets. 5. Passivation: Passivation is frequently employed to enhance the corrosion resistance of steel billets. It involves immersing the billets in a passivating solution, typically a mixture of nitric acid and water, to eliminate surface contaminants and facilitate the formation of a protective oxide layer. Passivation aids in preventing rust formation and prolonging the lifespan of steel billets. In conclusion, the selection of a suitable method for steel billet surface finishing depends on the desired finish, billet size and shape, and specific application requirements. Each method offers unique advantages and considerations. Therefore, careful consideration is crucial in selecting the appropriate technique to achieve the desired surface finish.
Q: What are the main uses of steel billets?
Steel billets are primarily used as raw material in the manufacturing of various steel products, including bars, rods, wire, tubes, and structural components. They are also commonly utilized in the production of seamless pipes, automotive parts, machinery, and construction materials.
Q: What are the common testing methods used for quality control of steel billets?
Steel billets undergo several common testing methods to ensure their quality and suitability for further processing. These methods are essential in meeting the required specifications. To begin, a visual inspection is conducted to identify surface defects like cracks, seams, or discontinuities. This step is crucial in quality control. Dimensional inspection follows, where instruments are used to measure the billets' length, width, and thickness. This ensures they meet the specified requirements. Ultrasonic testing (UT) is then employed as a non-destructive method. It utilizes high-frequency sound waves to detect internal defects such as inclusions, voids, or invisible cracks. Magnetic particle inspection (MPI) is another method used. By magnetizing the billets and applying iron particles, surface and near-surface defects can be detected. The gathering of particles indicates the presence of a defect. Dye penetrant inspection (DPI) involves applying a liquid dye to the billets' surface. The dye seeps into any cracks or defects, and after a designated time, excess dye is removed. A developer is then applied to make the defects visible. Hardness testing is conducted to measure the billets' hardness and resistance to deformation. Techniques like Rockwell, Brinell, or Vickers hardness testing are employed. Chemical analysis is carried out to ensure the steel billets meet the required chemical specifications. Spectroscopic techniques like Optical Emission Spectroscopy or X-Ray Fluorescence are used for this purpose. Lastly, a microscopic examination is performed to study the steel billets' microstructure. This examination helps determine grain size, presence of inclusions, and overall quality of the steel. By utilizing these testing methods, manufacturers can guarantee the quality and reliability of steel billets, subsequently ensuring the safety and performance of the final steel products.
Q: What are the factors that affect the quality of steel billets?
There are several factors that can affect the quality of steel billets, which are semi-finished metal products used in the production of various steel products. Some of the key factors include: 1. Raw materials: The quality of steel billets is heavily influenced by the quality of the raw materials used in their production. The composition of the steel, such as the percentage of carbon and other alloying elements, plays a crucial role in determining the final quality of the billets. 2. Manufacturing process: The manufacturing process used to produce steel billets can significantly impact their quality. Factors such as the temperature, pressure, and duration of the heating and cooling processes, as well as the rate of solidification, can affect the internal structure and mechanical properties of the billets. 3. Quality control measures: The implementation of effective quality control measures throughout the production process is essential for ensuring the quality of steel billets. Regular inspections, testing, and monitoring of critical parameters, such as dimensions, surface finish, and chemical composition, help identify any deviations from the desired specifications and allow for corrective actions to be taken. 4. Equipment and technology: The quality of the equipment and technology used in the production of steel billets can have a significant impact on their quality. Advanced machinery and techniques, such as continuous casting or vacuum degassing, can improve the homogeneity and cleanliness of the billets, resulting in higher-quality products. 5. Environmental conditions: Environmental factors, such as temperature, humidity, and cleanliness of the production environment, can also affect the quality of steel billets. Contaminants, such as dust, pollutants, or moisture, can adversely impact the surface finish and overall quality of the billets. 6. Handling and storage: Proper handling and storage practices are crucial for maintaining the quality of steel billets. Any mishandling, such as dropping or rough handling, can lead to surface defects or internal damage. Similarly, improper storage conditions, such as exposure to moisture or corrosive substances, can deteriorate the quality of the billets. In conclusion, the quality of steel billets is influenced by a combination of factors, including the raw materials, manufacturing process, quality control measures, equipment and technology, environmental conditions, and handling and storage practices. By carefully considering and optimizing these factors, steel manufacturers can produce high-quality billets that meet the desired specifications and customer requirements.
Q: What are the different surface defects that can occur in steel billets?
Steel billets can suffer from a variety of surface defects. Among the most common are: 1. Scale: During heating, a rough, flaky oxide layer known as scale can form on the billet's surface. This coating can negatively impact the final product's quality. 2. Cracks: Thermal stress, improper handling, or excessive cooling can cause cracks to appear on the billet's surface. These cracks can be either longitudinal or transverse and compromise the overall structural integrity of the billet. 3. Decarburization: High temperatures or chemical reactions can lead to the reduction of carbon content at the steel's surface, a process known as decarburization. This weakens the outer layer, affecting the billet's mechanical properties. 4. Pits: Corrosion, inadequate cleaning, or chemical reactions can result in small depressions or cavities on the billet's surface, known as pits. Pits can reduce strength and create localized stress concentrations. 5. Surface roughness: Improper handling, insufficient machining, or poor surface finishing can leave steel billets with uneven or rough surfaces. This can impact the final product's appearance and performance. 6. Inclusions: Non-metallic materials become trapped in the steel during manufacturing, forming inclusions. They can appear as dark spots, streaks, or irregular shapes on the billet's surface. Inclusions weaken the steel and decrease its ductility. 7. Surface contamination: Handling or storage can introduce foreign materials like dirt, oil, or grease to steel billets, leading to surface defects, corrosion, or compromised quality. Detecting and addressing these surface defects early in the manufacturing process is crucial to ensure high-quality steel billets. Various inspection techniques, including visual examination, ultrasonic testing, and magnetic particle inspection, can be used to identify and mitigate these defects.

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