• Square Steel Billet Q235 3SP Grade Prime Quality 1# System 1
  • Square Steel Billet Q235 3SP Grade Prime Quality 1# System 2
  • Square Steel Billet Q235 3SP Grade Prime Quality 1# System 3
  • Square Steel Billet Q235 3SP Grade Prime Quality 1# System 4
  • Square Steel Billet Q235 3SP Grade Prime Quality 1# System 5
  • Square Steel Billet Q235 3SP Grade Prime Quality 1# System 6
Square Steel Billet Q235 3SP Grade Prime Quality 1#

Square Steel Billet Q235 3SP Grade Prime Quality 1#

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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 1#

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 1#

Main Feature Square Steel Billet Q235 3SP Grade Prime Quality 1#

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 1#

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 1#


Specifications of Square Steel Billet Q235 3SP Grade Prime Quality 1#

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 1#

FAQ of Square Steel Billet Q235 3SP Grade Prime Quality 1#

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 do steel billets contribute to the manufacturing of tools and equipment?
Steel billets are an integral component in the manufacturing of tools and equipment. These billets, which are essentially semi-finished steel products, play a crucial role in shaping and forming the final products used in various industries. Firstly, steel billets are used as raw material in the production of various types of tools and equipment. They serve as the starting point for manufacturing processes such as forging, rolling, and extrusion. These processes involve heating and shaping the steel billets to create the desired form and dimensions of the tools and equipment. Moreover, steel billets offer several advantages that make them suitable for tool and equipment manufacturing. The high strength and durability of steel make it an ideal material for tools that need to withstand heavy loads and harsh conditions. The versatility of steel allows for the production of a wide range of tools and equipment, including cutting tools, machine parts, construction equipment, and automotive components. Additionally, steel billets can be easily machined and formed into complex shapes, enabling the production of intricate tools and equipment that meet specific requirements. The excellent machinability of steel allows for precise cutting, drilling, and milling processes, resulting in accurate dimensions and smooth surfaces. Furthermore, steel billets can be heat-treated to enhance their mechanical properties, such as hardness and toughness. Heat treatment processes like quenching and tempering can significantly improve the performance and longevity of tools and equipment. These processes, combined with the inherent strength of steel, ensure that the final products have the necessary strength, hardness, and wear resistance to perform their intended functions effectively. In summary, steel billets are essential in the manufacturing of tools and equipment due to their raw material capabilities and advantageous properties. They provide a reliable and versatile starting point for the production of various tools and equipment, enabling the creation of durable, precise, and high-performance products that are vital to numerous industries.
Q:What are the different types of defects that can occur during casting of steel billets?
During the casting of steel billets, various types of defects may arise, impacting the quality and integrity of the final product. Some commonly encountered defects are as follows: 1. Shrinkage: Shrinkage defects manifest when the metal cools and solidifies unevenly, resulting in voids or shrinkage cavities within the billet. This irregular cooling weakens the structure and diminishes its overall strength. 2. Porosity: Porosity refers to the presence of trapped gas or air bubbles within the billet. This defect can occur due to improper gating or venting, inadequate control of pouring temperature, or the existence of impurities in the molten metal. Porosity can reduce the mechanical properties of the billet and increase its susceptibility to failure. 3. Inclusions: Inclusions denote the presence of non-metallic materials, such as oxides, sulfides, or refractory particles, that become trapped in the billet during casting. These inclusions can weaken the metal, resulting in reduced ductility, increased brittleness, and decreased resistance to fatigue or corrosion. 4. Cold shuts: Cold shuts arise when two streams of molten metal fail to fuse adequately during casting, resulting in a visible line or seam within the billet. Cold shuts can weaken the billet and cause failure under stress. 5. Hot tearing: Hot tearing occurs when the solidifying metal is constrained from contracting, leading to localized cracking or tearing. This phenomenon is typically caused by high thermal stresses or insufficient feeding of the metal during solidification. Hot tearing significantly impacts the structural integrity of the billet. 6. Misruns: Misruns are defects that occur when the molten metal fails to completely fill the mold cavity. This defect can arise due to inadequate pouring temperature, improper gating or venting, or insufficient fluidity of the metal. Misruns result in incomplete, undersized, or malformed billets with reduced mechanical properties. 7. Surface defects: Surface defects encompass surface cracks, scabs, or roughness that may occur during the solidification or cooling process. These defects contribute to increased rejection rates, reduced machinability, and compromised surface finish of the billet. It is of utmost importance to identify and minimize these defects during the casting process to ensure the production of high-quality steel billets with the desired mechanical properties and dimensional accuracy.
Q:What is the maximum length of a steel billet?
The maximum length of a steel billet can vary depending on various factors such as the manufacturing process, equipment capabilities, and specific industry requirements. In general, steel billets can range in length from a few inches to several meters. However, it is important to note that longer billets are often more challenging to produce and handle due to their increased weight and potential for deformation. Therefore, the maximum length of a steel billet is typically determined by practical considerations and operational limitations within the steel industry.
Q:What are the main surface finishes available for steel billets?
The main surface finishes available for steel billets include mill finish, pickled and oiled (P&O), galvanized, painted, and coated finishes. Mill finish refers to the surface of the steel billet as it comes from the rolling mill, which is typically characterized by a rough and unfinished appearance. This finish is suitable for applications where aesthetics are not a priority, such as when the billets will be further processed or coated. Pickled and oiled (P&O) finish involves treating the steel billets with an acid solution to remove any mill scale or impurities, followed by applying a thin layer of oil to protect the surface from oxidation. This finish provides a clean and smooth surface, making it suitable for applications where a high-quality appearance is desired. Galvanized finish involves immersing the steel billets in a zinc bath to create a protective layer of zinc coating over the surface. This finish provides excellent corrosion resistance, making it ideal for outdoor applications or environments with high moisture or chemical exposure. Painted finish involves applying a layer of paint onto the surface of the steel billets. This finish offers both aesthetic appeal and protection against corrosion, as the paint acts as a barrier between the steel and the external environment. Painted finishes can be customized in terms of color and texture to suit specific requirements. Coated finishes involve applying a specialized coating onto the surface of the steel billets. These coatings can include epoxy, polyurethane, or other protective materials that provide enhanced corrosion resistance, chemical resistance, or heat resistance. Coated finishes are often used in industries such as automotive, construction, or oil and gas, where the billets are subjected to harsh conditions. Overall, the choice of surface finish for steel billets depends on the specific application requirements, including aesthetics, corrosion resistance, durability, and environmental factors.
Q:What are the potential applications of steel billets in the chemical aftermarket?
Steel billets have several potential applications in the chemical aftermarket. They can be used as raw material for the production of various chemical products, such as pipes, tanks, and containers. Additionally, steel billets can be utilized in the construction of chemical processing equipment, such as reactors and heat exchangers, due to their strength and durability. Furthermore, they can also serve as a base material for the fabrication of specialty alloys used in the chemical industry. Overall, steel billets play a crucial role in supporting the production and infrastructure needs of the chemical aftermarket.
Q:How are steel billets used in the production of wind turbine components?
Steel billets are used in the production of wind turbine components by being heated and shaped into various parts such as shafts, gears, and frames. These billets serve as the raw material that is later machined, welded, and assembled to create robust and durable components for wind turbines.
Q:What are the specifications for tool steel billets used in the tooling industry?
The specifications for tool steel billets used in the tooling industry vary depending on the specific application. However, some common specifications include high hardness, excellent wear resistance, good toughness, and high thermal conductivity. Additionally, tool steel billets typically have specific chemical compositions and are often heat treated to achieve desired properties such as high strength and durability.
Q:What is the role of steel billets in the production of railway wagons?
Steel billets play a crucial role in the production of railway wagons, serving as the primary raw material for manufacturing various wagon components. Essentially, steel billets are semi-finished steel products that are cast into specific shapes, typically squares or rectangles, and serve as the starting point for further processing. In the production process, steel billets are first heated to a high temperature and then passed through rolling mills to shape them into desired forms such as beams, plates, angles, channels, or other structural components. These components form the structural framework of the wagons, providing strength, durability, and stability. The exceptional strength and ability of steel billets to withstand heavy loads make them ideal for railway applications. They possess excellent mechanical properties, including high tensile strength, ensuring the wagons can endure the stresses and strains experienced during operation. The use of steel billets also allows for flexibility in design and customization, as they can be easily shaped and formed according to specific requirements. Manufacturers can produce railway wagons of various sizes, configurations, and capacities to cater to different transportation needs. Furthermore, steel billets are highly resistant to corrosion, which is particularly important for railway wagons exposed to harsh environmental conditions. This resistance helps maintain the structural integrity of the wagons, preventing premature deterioration and ensuring their long service life. Overall, steel billets are indispensable in the production of railway wagons. They provide the necessary strength, durability, and customization options required for manufacturing robust and reliable wagons that can withstand the demanding conditions of railway transportation.
Q:How do steel billets contribute to the manufacturing of automotive parts?
Steel billets play a crucial role in the manufacturing of automotive parts by serving as the primary raw material for the production of various components. Automotive manufacturers rely on steel billets due to their excellent strength, durability, and malleability properties. Firstly, steel billets are used to produce engine parts such as crankshafts, connecting rods, and camshafts. These components require high strength and precision, which can be achieved by using steel billets as the starting material. The billets are heated, forged, and machined to shape them into the desired form, ensuring the necessary strength and accuracy for optimal engine performance. Additionally, steel billets are utilized in the production of suspension and chassis components. These parts, including control arms, axles, and frame sections, require exceptional toughness and resistance to withstand the constant stresses and strains experienced by the vehicle. Steel billets provide the necessary mechanical properties to ensure the safety and longevity of these crucial automotive components. Furthermore, steel billets are also used in the manufacturing of various transmission and drivetrain parts. Gears, shafts, and differential components require excellent wear resistance, strength, and dimensional accuracy to ensure the efficiency and reliability of the vehicle's power transmission system. Steel billets are forged and machined to produce these parts, meeting the strict requirements of the automotive industry. Moreover, steel billets contribute to the production of body and exterior components such as doors, hoods, fenders, and frames. These parts require high strength, corrosion resistance, and the ability to be formed into complex shapes. Steel billets can be hot or cold rolled, pressed, stamped, or welded to manufacture these components, providing the necessary structural integrity and aesthetics for automotive bodies. Overall, steel billets are essential in the manufacturing of automotive parts due to their superior mechanical properties and versatility. They enable the production of high-quality, durable, and reliable components that meet the demanding requirements of the automotive industry. The use of steel billets ensures the safety, performance, and longevity of vehicles, contributing to the overall quality of the automotive manufacturing process.
Q:What are the different types of surface defect detection equipment for steel billets?
Steel billets have a variety of surface defect detection equipment available. These equipment are specifically designed to identify and analyze defects on the surface of steel billets, ensuring that only top-notch products are used for different applications. Some of the diverse types of surface defect detection equipment for steel billets include: 1. Ultrasonic Testing (UT): UT equipment utilizes sound waves to detect surface defects in steel billets. It emits high-frequency sound waves that penetrate the material and bounce back when they come across any surface irregularities. This method aids in the identification of cracks, voids, and other defects on the surface. 2. Eddy Current Testing (ECT): ECT equipment uses electromagnetic induction to detect surface defects in steel billets. It operates by passing an alternating current through a coil, generating a magnetic field that interacts with the conductive material of the billet. Any surface defect or irregularity causes a change in the magnetic field, which can be measured and analyzed. 3. Magnetic Particle Inspection (MPI): MPI equipment utilizes magnetic fields and iron particles to detect surface defects in steel billets. The billet is magnetized, and iron particles are applied to its surface. These particles gather around any surface defect, creating visible indications that can be easily identified and evaluated. 4. Visual Inspection: Visual inspection equipment involves the use of cameras, lasers, and other optical devices to detect surface defects in steel billets. These devices capture images or videos of the billet's surface, enabling inspectors to visually identify any irregularities or defects. 5. Thermographic Testing: Thermographic equipment uses infrared cameras to detect surface defects in steel billets by measuring temperature variations. Any defect causes a difference in heat transfer, resulting in distinct thermal patterns that can be detected and analyzed. 6. X-ray Inspection: X-ray inspection equipment employs X-ray radiation to penetrate the steel billet and detect internal and surface defects. It provides detailed images that allow inspectors to identify cracks, voids, and other defects that are not visible to the naked eye. In summary, these various types of surface defect detection equipment for steel billets offer a range of methods to ensure the quality and integrity of the billets, enabling manufacturers to deliver high-quality steel products to different industries.

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