Q235/3SP 155MM Blast Furnace Hot Rolled Steel Billet
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t.
- Supply Capability:
- 30000 m.t./month
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Description of Q235/3SP 155MM Blast Furnace Hot Rolled Steel Billet
Our hot dip galvanised steels consist of a steel substrate with a metallic zinc coating applied by means of a continuous hot dip galvanising process. Metallic zinc coatings are available in steel grades ranging from steel for bending and deep drawing applications, to structural steels and high yield strength steels.
A glossy surface finish obtained under specific skin-pass conditions (either non-skin-passed or skin- passed with smooth cylinders to obtain low roughness) can be provided if required at time of enquiry.
Advantage of Q235/3SP 155MM Blast Furnace Hot Rolled 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 Q235/3SP 155MM Blast Furnace Hot Rolled Steel Billet
Our hot dip galvanised steels can be used in a very wide range of applications for industrial markets, both indoors and outdoors. Some of the most common applications are:
Building: wide sections for roofing and cladding, doors, door frames, metallic ceilings, partitions, structural members etc
Domestic appliances: all appliances for this sector (both white and brown goods) are manufactured with hot dip galvanised steels
Miscellaneous: electrical cabinets, aeraulic components, air conditioners, road signs etc
Zinc hot dip galvanised steel is suitable for contact with foodstuffs under certain conditions, as specified in European directive 89/109/EEC and French standard NF A 36-712-1. Please contact us for further information on this subject.
Specifications of Q235/3SP 155MM Blast Furnace Hot Rolled Steel Billet
Quality | Q/BQB 440-2003 | JIS G3312-1994 JIS G3321 | EN 10326-2004 | ASTM A653-02a |
EN 10327-2004 | (BASE PLATE) | |||
(BASE PLATE) | ||||
Commercial Steel | DC51D | SGCC SGLCC | DX51D+Z DX51D+AZ | CS Type A/B/C |
Forming Steel | St01,St02,St03 | SGCD1 SGLCD1 | FS Type A, Type B | |
Drawing | DC52D /DC53D | - | DX52D+Z DX52D+AZ | DDS TYPE A/C |
Steel | DX53D+Z DX53D+AZ | |||
Structural | S280GD (StE28) | SGC400 SGLC400 | S280D+Z DX54D+AZ | SS275 |
Steel | S350GD (StE34) | SGC440 SGLC440 | S350D+Z S350D+AZ | SS340 Class1 |
FAQ of Q235/3SP 155MM Blast Furnace Hot Rolled 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:What are the main factors affecting the machinability of alloy steel billets?
- Several key factors influence the machinability of alloy steel billets. Firstly, the machinability can be affected by the alloy composition of the steel. Different alloying elements, including chromium, nickel, molybdenum, and vanadium, have varying impacts on the machinability. Chromium and molybdenum, which form hard carbides, tend to decrease machinability, while nickel and vanadium, which promote the formation of softer carbides, can enhance machinability. Secondly, the heat treatment of the alloy steel billets significantly impacts machinability. Processes such as annealing, normalizing, or quenching and tempering can alter the microstructure and hardness of the steel. Proper heat treatment can improve machinability by reducing hardness and increasing toughness, while improper heat treatment can result in increased hardness and decreased machinability. Thirdly, the presence of impurities and inclusions in the alloy steel billets can affect machinability. Inclusions, such as sulfides, oxides, and non-metallic particles, can cause tool wear and chip breakability issues during machining. Therefore, the cleanliness and purity of the alloy steel billets are crucial factors in determining machinability. Furthermore, the mechanical properties of the alloy steel, such as hardness, strength, and ductility, can influence machinability. Higher hardness and strength levels can make machining more challenging, while increased ductility and toughness can improve machinability. Lastly, the cutting conditions and machining parameters, including cutting speed, feed rate, depth of cut, and tool material, also impact machinability. Optimal cutting conditions should be selected based on the specific alloy steel composition and desired machinability. Adequate cooling and lubrication during machining are also essential to reduce friction and heat, preventing tool wear and improving machinability. In conclusion, the machinability of alloy steel billets is influenced by factors such as alloy composition, heat treatment, impurities and inclusions, mechanical properties, and cutting conditions. Proper consideration of these factors can help optimize the machinability of alloy steel and ensure efficient and effective machining processes.
- Q:How are steel billets used in the manufacturing of pressure vessel components?
- Steel billets are used in the manufacturing of pressure vessel components by being melted and formed into the desired shape through processes like casting, forging, or extrusion. These billets serve as the raw material for creating various components such as shells, heads, and nozzles, which are then further processed, machined, and assembled to construct the pressure vessel.
- Q:Can steel billets be used in the production of railway tracks?
- Yes, steel billets can be used in the production of railway tracks. Steel billets are semi-finished products that are commonly used in the manufacturing of various steel products, including railway tracks. Railway tracks require high strength and durability to withstand the weight and movement of trains. Steel billets, which are typically made from carbon steel or alloy steel, provide the necessary strength and structural integrity required for railway tracks. These billets can be further processed and shaped into rails through hot rolling or other manufacturing processes. The final rails are then installed on railway tracks to provide a smooth and safe surface for train movement. Therefore, steel billets are an essential raw material in the production of railway tracks.
- Q:Billet heating furnace billet temperature reached, steel will be adhesion
- As soon as the melting point is reached, the part melts before sticking. But heating will swell a lot, you need to leave enough space.
- Q:How are steel billets used in the production of building facades?
- Due to their versatility and strength, steel billets are a vital component in the manufacturing of building facades. Building facades, which serve as both an aesthetic feature and a protective barrier against external elements, rely on steel billets for various purposes. To begin with, steel billets, which are semi-finished steel products, are commonly used as the primary material for the structural framework of facades. Their high strength-to-weight ratio makes them an ideal choice for supporting the weight of the facade and ensuring structural stability for the building. Furthermore, steel billets can be further processed to create different shapes and profiles required for facade design. Through processes like hot rolling, cold rolling, or extrusion, architects and designers can shape steel billets into intricate and customized designs. This flexibility allows for the creation of unique and aesthetically pleasing facades that enhance the overall appearance of the building. Steel billets also find application in the production of curtain wall systems, which are commonly used in modern building facades. Acting as non-structural cladding systems, curtain walls are attached to the building's structural framework. Steel billets are frequently utilized in the creation of curtain wall support systems, providing the necessary strength and durability to withstand external pressures such as wind loads and seismic forces. Additionally, steel billets can be coated or treated with various finishes to enhance their corrosion resistance and increase their longevity. From galvanization to powder coating, these finishes ensure that the building facade remains durable and visually appealing over time. In conclusion, steel billets play a critical role in the manufacturing of building facades, offering strength, design flexibility, and durability. Their utilization in the structural framework, creation of customized shapes, support systems for curtain walls, and application of protective finishes make them an indispensable material in the construction industry.
- Q:How are steel billets inspected for hardness?
- Various methods and techniques are used to inspect the hardness of steel billets. Among these methods, the Rockwell hardness test is commonly employed. This test measures the depth of penetration of an indenter into the steel surface under a specific load to determine the hardness value. It is a quick and reliable way to assess the hardness of steel billets. Another method used for hardness inspection is the Brinell hardness test. This test involves applying a specific load on a hardened steel ball and measuring the diameter of the resulting indentation on the steel surface. The hardness value is calculated based on the applied load and the diameter of the indentation. The Brinell hardness test is useful for large steel billets or when a larger area needs to be tested. Additionally, the Vickers hardness test can be employed to inspect the hardness of steel billets. This method uses a diamond pyramid-shaped indenter to create an impression on the steel surface. The diagonals of the impression are measured, and the hardness value is determined based on the applied load and the surface area of the impression. The Vickers hardness test is commonly used for materials with high hardness or small components. In addition to these traditional hardness testing methods, advanced techniques such as ultrasonic testing and magnetic induction are also available. Ultrasonic testing involves sending high-frequency sound waves through the steel billet and measuring the time it takes for the waves to be reflected back. Any variations in the hardness of the billet can be detected through changes in the ultrasonic waves. On the other hand, magnetic induction utilizes magnetic fields to assess the hardness of steel. By measuring the electrical conductivity and permeability of the steel billet, the hardness can be estimated. Overall, there are several techniques available for inspecting the hardness of steel billets, including Rockwell, Brinell, and Vickers hardness tests, as well as ultrasonic testing and magnetic induction. These methods provide valuable information about the hardness properties of the billets, enabling manufacturers to ensure the quality and suitability of the steel for various applications.
- Q:How are steel billets used in the production of shipbuilding components?
- Steel billets are commonly used in the production of shipbuilding components as a starting material. These billets are heated and then forged or rolled into various shapes and sizes, such as plates, beams, or angles, which are essential for constructing the structural framework of ships. The versatility and strength of steel billets make them ideal for withstanding the demanding conditions at sea, ensuring the durability and safety of shipbuilding components.
- Q:How are steel billets inspected for surface defects?
- To ensure the quality and integrity of steel billets, a variety of methods and techniques are employed to inspect them for surface defects. One way is through visual inspection, where trained inspectors carefully scrutinize the billets for any visible flaws such as cracks, scratches, pits, or unevenness. They utilize appropriate lighting and magnification tools to conduct a thorough examination of the entire surface. Another method in use is dye penetrant testing. This involves applying a liquid dye to the billet's surface, allowing it to seep into any cracks or defects. After a designated period, excess dye is removed and a developer is added. The developer brings out the dye from any defects, making them clearly visible and easily identifiable. Magnetic particle inspection is another widely utilized technique. During this process, the billets are magnetized, and iron particles are applied to the surface. Any surface flaws disrupt the magnetic field, causing the iron particles to gather around the defect, thus making them easily detectable upon inspection. This method proves particularly effective for identifying defects such as surface cracks. Ultrasonic testing is also commonly employed to inspect steel billets. It entails transmitting high-frequency sound waves through the material, which then produce reflections or echoes when encountering any surface defects or internal flaws. These reflections are detected and analyzed, providing valuable information about the defect's size, location, and type. Furthermore, eddy current testing can be utilized to inspect steel billets for surface defects. This method involves passing an alternating current through a probe positioned near the billet's surface. Any defects or variations in the material's conductivity cause changes in the eddy currents, which can be detected and analyzed to identify surface defects. In conclusion, steel billets undergo meticulous inspection utilizing a combination of visual, dye penetrant, magnetic particle, ultrasonic, and eddy current testing methods. This ensures that any surface defects are promptly identified and addressed, thereby guaranteeing the quality and reliability of the final product.
- Q:What are the main factors affecting the machined surface quality of steel billets?
- There are several main factors that significantly affect the machined surface quality of steel billets. These factors include: 1. Cutting Speed: The cutting speed, which is the speed at which the tool moves across the surface of the billet, plays a crucial role in determining the surface quality. Higher cutting speeds can lead to increased heat generation, which can cause thermal damage to the surface and result in poor quality. Therefore, finding the optimal cutting speed is essential for achieving a high-quality machined surface. 2. Feed Rate: The feed rate refers to the rate at which the tool advances into the material during the machining process. A high feed rate can lead to excessive tool wear, resulting in poor surface quality. On the other hand, a low feed rate may cause chatter or vibration, causing surface irregularities. It is crucial to find the right balance to ensure a smooth and high-quality machined surface. 3. Tool Geometry: The geometry of the cutting tool, including its shape, angle, and edge sharpness, plays a significant role in determining the surface quality. The tool geometry affects the chip formation and the interaction between the tool and the billet. Proper tool geometry can minimize cutting forces, reduce vibration, and improve chip evacuation, resulting in a better surface finish. 4. Cutting Fluid: The choice and application of cutting fluids can greatly influence the surface quality of machined steel billets. Cutting fluids serve multiple purposes, including cooling the tool and workpiece, lubricating the cutting process, and flushing away chips. Appropriate cutting fluid selection and application can help in reducing friction, heat generation, and tool wear, leading to improved surface quality. 5. Billet Material and Hardness: The material composition and hardness of the steel billet also impact the machined surface quality. Different steels have varying levels of machinability, with some being more prone to issues like work hardening or built-up edge formation. Harder materials generally require more robust cutting tools and specific machining techniques to achieve desired surface quality. 6. Machine Rigidity and Stability: The rigidity and stability of the machine used for machining the steel billets are critical factors affecting the surface quality. Any machine tool deflection or vibration can lead to poor surface finish and dimensional accuracy. Therefore, it is essential to ensure proper machine setup, alignment, and maintenance to minimize unwanted vibrations and maximize surface quality. Overall, a combination of the above factors, along with proper cutting parameters and machining techniques, is necessary to achieve a high-quality machined surface on steel billets. Adjusting these factors based on the specific characteristics of the billet and desired surface finish can help optimize the machining process and improve the overall quality of the final product.
- Q:What are the main factors affecting the formability of stainless steel billets?
- The main factors affecting the formability of stainless steel billets include the composition of the steel, the temperature at which it is being formed, the grain size and structure of the material, and the amount of deformation applied during the forming process. Firstly, the composition of the stainless steel billet plays a crucial role in its formability. Different grades of stainless steel have varying amounts of alloying elements such as chromium, nickel, and molybdenum, which affect the material's mechanical properties. For example, higher levels of chromium can increase the material's resistance to corrosion but may reduce its formability. Therefore, the choice of stainless steel grade is essential to ensure optimal formability for a specific application. Secondly, the temperature at which the stainless steel billet is being formed influences its formability. Stainless steel exhibits better formability at elevated temperatures due to increased ductility. Heating the billet helps to reduce its yield strength and allows for easier deformation. However, excessive heating can lead to grain growth and reduced mechanical properties, so it is crucial to find the right balance between temperature and formability. The grain size and structure of the stainless steel billet also affect its formability. Fine-grained materials tend to exhibit better formability compared to coarse-grained ones. Finer grains allow for more uniform deformation and reduced likelihood of cracking or tearing during forming processes. Additionally, the presence of certain microstructural features, such as precipitates or twins, can also impact the formability of stainless steel billets. Lastly, the amount of deformation applied to the stainless steel billet during the forming process affects its formability. Excessive deformation can lead to strain hardening, causing the material to become less ductile and more prone to cracking. Therefore, it is essential to carefully control the amount and distribution of deformation to ensure optimal formability. In summary, the main factors affecting the formability of stainless steel billets include the composition of the steel, the temperature at which it is being formed, the grain size and structure of the material, and the amount of deformation applied during the forming process. Understanding and controlling these factors is crucial for achieving the desired formability and ensuring successful manufacturing of stainless steel components.
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Q235/3SP 155MM Blast Furnace Hot Rolled Steel Billet
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t.
- Supply Capability:
- 30000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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