• Square Steel Billet Q235 3SP Grade Prime Quality 8# System 1
  • Square Steel Billet Q235 3SP Grade Prime Quality 8# System 2
  • Square Steel Billet Q235 3SP Grade Prime Quality 8# System 3
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  • Square Steel Billet Q235 3SP Grade Prime Quality 8# System 5
  • Square Steel Billet Q235 3SP Grade Prime Quality 8# System 6
Square Steel Billet Q235 3SP Grade Prime Quality 8#

Square Steel Billet Q235 3SP Grade Prime Quality 8#

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
2000 m.t
Supply Capability:
50000 m.t/month

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Description of Square Steel Billet Q235 3SP Grade Prime Quality 8#

M. S. Billets are used for rolling of TMT Re-Bars of Fe415 and Fe500 Grade and various other structural steel products. 
CRS Billets are used for rolling of CRS TMT Re-Bars. 
Special Alloy Billets are used for rolling of any special grade TMT Re-Bars like Earthquake resistant TMT Re-Bars and for special grade structural steel products.

Square Steel Billet Q235 3SP Grade Prime Quality 8#

Main Feature Square Steel Billet Q235 3SP Grade Prime Quality 8#

Raw elements(C,Fe,Ni,Mn,Cr,Cu.)---Smelted ingots by AOD finery---hot rolled into black suface---pickling in acid liquid---cold drawn----polished by automatically machine---  cutting into pieces---checking quanlity


Applications of Square Steel Billet Q235 3SP Grade Prime Quality 8#

Widely Used in the areas such as Stainless Steel Fasteners, Chains, Kitchen and Sanitary wares, Furniture handles, Handrails, Electroplating and Electrolyzing pendants, Foods, Electron, Petroleum, Construction and Decoration, etc. Products have a high strength after cold-working. Electronic products parts, Medical appliance, Springs, Bus Inside and Outside packaging and building, Street Lamp Posts, etc. Decoration materials and Outdoor Publicity Billboard. Used for the products which have the Anti-Stress Corrosion requirement. Electron Products, Table-wares, Bolts, Nuts, Screen Meshes, Cumbustors and so on.

Square Steel Billet Q235 3SP Grade Prime Quality 8#


Specifications of Square Steel Billet Q235 3SP Grade Prime Quality 8#

StandardC(%)Mn(%)S(%)P(%)Si(%)
Q195≤0.12≤0.50≤0.040≤0.035≤0.30
Q235≤0.20≤1.40≤0.045 ≤0.045≤0.35 
Q275≤0.22≤1.50≤0.045≤0.045≤0.35
20MnSi0.17-0.251.2-1.6≤ 0.050≤ 0.0500.40-0.80
3SP0.14-0.220.40-0.85≤ 0.050≤ 0.0400.05-0.15
5SP0.28-0.370.50-1.00≤ 0.050≤ 0.0400.15-0.30
 

Square Steel Billet Q235 3SP Grade Prime Quality 8#

FAQ of Square Steel Billet Q235 3SP Grade Prime Quality 8#

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:What are the different types of non-destructive testing methods used for steel billets?
Steel billets undergo various non-destructive testing methods to ensure their quality and integrity without causing any damage or alteration. Commonly used techniques include: 1. Ultrasonic Testing (UT): High-frequency sound waves are utilized to detect internal defects like cracks, voids, and inclusions that may affect the billet's performance. 2. Magnetic Particle Testing (MPT): Magnetic fields and particles are employed to identify surface and near-surface defects such as cracks and seams that may be invisible to the naked eye. 3. Eddy Current Testing (ECT): By measuring changes in electrical conductivity and magnetic fields, ECT can detect surface and near-surface defects like cracks and corrosion. 4. Visual Inspection: This basic method involves a thorough visual examination to identify visible defects such as surface cracks, dents, or irregularities. 5. Penetrant Testing (PT): A liquid or fluorescent dye is applied to the billet's surface, seeping into any surface defects. After removing excess dye and applying a developer, defects like surface cracks and porosity become visible. 6. Radiographic Testing (RT): Using X-rays or gamma rays, RT penetrates the billets to produce images revealing internal defects like cracks, inclusions, and voids. Employing a combination of these techniques, manufacturers ensure the safety and performance of steel billets by identifying and rectifying potential defects or inconsistencies.
Q:What are the potential applications of steel billets in the packaging industry?
Steel billets can be used in the packaging industry for various applications such as manufacturing metal cans, containers, and closures. They provide strength, durability, and resistance to external factors like pressure, impact, and corrosion. Additionally, steel billets can be molded into different shapes and sizes, making them suitable for diverse packaging requirements.
Q:What are the specifications for tool steel billets used in the manufacturing of cutting tools?
The specifications of tool steel billets used in the manufacturing of cutting tools can vary depending on the specific application and requirements. However, there are some commonly followed general specifications. 1. Composition: High-carbon alloy steels are typically used to make tool steel billets. These steels contain elements such as chromium, molybdenum, vanadium, tungsten, and cobalt, which enhance the hardness, wear resistance, toughness, and heat resistance of the tool steel. 2. Hardness: Tool steel billets need to have high hardness in order to withstand demanding cutting conditions. The hardness is usually measured on the Rockwell C (HRC) scale and can range from 58 HRC to 65 HRC or even higher for certain applications. 3. Wear Resistance: Cutting tools experience abrasive wear during operation. Therefore, tool steel billets are formulated to have excellent wear resistance properties, ensuring a longer tool life. This is achieved by incorporating alloying elements like chromium and vanadium, which increase the hardness and wear resistance of the tool steel. 4. Toughness: In addition to hardness and wear resistance, tool steel billets must have sufficient toughness to endure the high impact forces generated during cutting. High toughness ensures that the cutting tools do not easily fracture or chip, even under severe cutting conditions. 5. Heat Resistance: Cutting tools often face high temperatures during operation, especially in high-speed cutting applications. Tool steel billets must possess good heat resistance to prevent softening or deformation at elevated temperatures. This is achieved by adding alloying elements like molybdenum and tungsten, which contribute to the heat resistance properties of the tool steel. 6. Machinability: Tool steel billets should have good machinability to enable the production of complex cutting tool geometries with high precision. The proper selection of alloying elements and heat treatment processes can enhance the machinability of tool steel billets. It is important to note that the specific specifications for tool steel billets may vary depending on the cutting tool application, the material being cut, and the machining conditions. Therefore, consulting with the tool steel manufacturer or supplier is crucial to determine the exact specifications required for a particular cutting tool application.
Q:What is the melting point of steel billets?
The melting point of steel billets can vary depending on the type of steel being used. Generally, the melting point of steel ranges from 1370 to 1530 degrees Celsius (2500 to 2800 degrees Fahrenheit). However, it is important to note that different grades and compositions of steel can have slightly different melting points. Additionally, the melting point can also be influenced by other factors such as impurities, alloying elements, and the presence of other metals in the steel. Therefore, it is always recommended to refer to the specific material specifications or consult with metallurgical experts for precise information on the melting point of steel billets.
Q:For example, screw plate (PU plate and manganese plate), carbon steel Primeton is what person rolling out?.
Primeton Pu board generally refers to A3; carbon steel refers to the high quality carbon steel, such as No. 45 steel, 35 steel and so on; 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 is the difference between hot-rolled and cold-rolled steel billets?
Hot-rolled and cold-rolled steel billets are both types of steel that undergo different manufacturing processes, resulting in distinct characteristics and properties. Hot-rolled steel billets are produced by heating the steel to a high temperature and then rolling it while it is still hot. This process allows for the steel to be easily shaped and formed into various sizes and shapes. Hot-rolling also results in a rough surface finish and a scaled outer layer due to the exposure to high temperatures. The hot-rolled steel billets generally have a larger grain structure, which can lead to a less precise and uniform final product. However, the hot-rolled steel billets tend to have improved mechanical properties, such as higher strength and toughness, making them suitable for applications where strength is crucial but surface finish is not a priority. On the other hand, cold-rolled steel billets are produced by cooling the steel to a low temperature and then rolling it at room temperature. This process allows for tighter dimensional tolerances and a smoother surface finish compared to hot-rolled steel billets. Cold-rolling also results in a more refined grain structure, which enhances the overall strength, hardness, and durability of the steel. Cold-rolled steel billets are commonly used in applications where precise dimensions, surface finish, and uniformity are required, such as in the automotive, construction, and appliance industries. In summary, the main difference between hot-rolled and cold-rolled steel billets lies in the manufacturing processes and the resulting properties. Hot-rolled steel billets are formed at high temperatures, resulting in a rough surface finish and larger grain structure, while cold-rolled steel billets are formed at room temperature, leading to tighter dimensional tolerances, smoother surface finish, and a more refined grain structure. The choice between hot-rolled and cold-rolled steel billets depends on the specific requirements and applications, with hot-rolled steel billets being preferred for their superior strength and cold-rolled steel billets for their precise dimensions and surface finish.
Q:What are the environmental impacts of producing steel billets?
The production of steel billets has several environmental impacts. One significant impact is the emission of greenhouse gases, particularly carbon dioxide, during the steelmaking process. This contributes to climate change and global warming. Additionally, the extraction of raw materials for steel production can lead to deforestation, habitat destruction, and soil erosion. Steel production also consumes large amounts of energy and water, which can strain natural resources and contribute to pollution. Proper management of these impacts, such as adopting more sustainable production methods and recycling, can help mitigate the environmental effects of steel billet production.
Q:How are steel billets transported internationally?
Steel billets can be transported internationally through various means such as shipping containers, bulk carriers, or by rail and road transport. The choice of transportation method depends on factors like distance, cost, volume, and urgency of delivery.
Q:How are steel billets inspected before they are used in production?
Before being used in production, steel billets undergo a thorough inspection to ensure their quality and adherence to required specifications. The inspection process involves several key steps. Firstly, a visual inspection is conducted to examine the billets' surface for any defects such as cracks, seams, or deformities. Any irregularities can indicate potential weaknesses or problems that may affect performance during production. Secondly, dimensional inspection is performed to verify the billets' size, length, width, and other critical dimensions. This is crucial to ensure that the billets meet the precise requirements of the production process and can be seamlessly integrated into manufacturing operations. Thirdly, ultrasonic testing is often used to detect any internal defects or discontinuities within the billets. Ultrasonic waves are passed through the billet, and reflections or echoes are analyzed to identify any flaws such as voids, inclusions, or cracks that may compromise the billets' structural integrity. Moreover, magnetic particle inspection may be carried out to identify surface or near-surface defects that are not visible to the naked eye. This technique involves applying magnetic particles to the billet's surface and detecting any magnetic leakage caused by defects through the use of magnetic fields. Additionally, chemical analysis is frequently performed to ensure that the steel billets have the desired chemical composition. This involves taking samples from the billets and subjecting them to various tests to determine the percentages of different elements present. This analysis guarantees that the billets possess the necessary chemical properties for the intended application. In conclusion, steel billets undergo a comprehensive inspection process that includes visual examination, dimensional verification, ultrasonic testing, magnetic particle inspection, and chemical analysis. This multi-faceted approach ensures that the billets meet the required quality standards and are suitable for use in production, minimizing the risk of any performance issues or failures during manufacturing processes.
Q:What is the role of steel billets in the manufacturing of construction excavators?
Steel billets play a crucial role in the manufacturing of construction excavators. These billets, which are essentially semi-finished steel products in the form of a rectangular solid, serve as the primary raw material for constructing various components of excavators. One key aspect of steel billets is their high strength and durability. The construction industry demands materials that can withstand heavy loads, intense pressure, and harsh working conditions. Steel billets possess these characteristics, making them ideal for manufacturing excavators that are capable of withstanding the rigors of construction sites. During the manufacturing process, steel billets are heated and shaped into various components of the excavator. These components include the mainframe, booms, arms, and buckets – all of which require high-strength materials to ensure structural integrity and longevity. Additionally, steel billets allow for precise customization and fabrication. Manufacturers can mold and shape the billets into specific sizes and dimensions required for different parts of the excavator. This flexibility ensures that the components fit together seamlessly, enhancing the overall performance and functionality of the machine. Furthermore, steel billets provide excellent weldability. As excavators undergo constant stress and movements, welding is a crucial process for joining the various components. Steel billets enable strong and reliable welds, ensuring that the excavator remains structurally sound and capable of performing heavy-duty tasks. Overall, the role of steel billets in the manufacturing of construction excavators is indispensable. Their high strength, durability, customizability, and weldability make them the ideal raw material for constructing the robust and reliable machines that are required for the demanding nature of the construction industry.

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