Q235/3SP 170MM 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 170MM 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 170MM 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 170MM 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 170MM 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 170MM 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 common defects in steel billets during hot rolling?
- Some common defects in steel billets during hot rolling include surface cracks, internal cracks, surface scales, segregation, and surface defects such as pits, scars, and scratches. These defects can affect the quality and integrity of the final product and may require further processing or rejection of the billets.
- Q: How are steel billets used in the production of electrical transmission towers?
- Steel billets play a crucial role in the manufacturing of electrical transmission towers. These billets are semi-finished steel products that are cast into a specific shape and size. When it comes to transmission towers, steel billets are used as raw material to create the tower structures. The process begins by carefully selecting high-quality steel billets and inspecting them for their chemical composition and physical properties. Once the billets meet the required specifications, they undergo heating and are passed through a series of rolling mills to achieve the desired shape and size of the tower sections. To make the steel billets malleable, they are heated to a specific temperature. This heating process reduces internal stresses and enhances the steel's ductility. The heated billets are then shaped into various sections such as angles, channels, and I-beams by passing them through multiple rolling stands. These sections are further cut into appropriate lengths and welded together to form the framework of the transmission tower. The steel billets provide the necessary strength and structural integrity to withstand the weight of the tower and environmental loads like wind and ice. In addition, the use of steel billets ensures excellent corrosion resistance, as steel is known for its durability and longevity. This is crucial for maintaining the reliability and safety of the power transmission infrastructure. In conclusion, steel billets are vital in the production of electrical transmission towers as they provide the raw material necessary for manufacturing the tower structures. Their strength, durability, and corrosion resistance make them an ideal choice for constructing towers that can support transmission lines and ensure efficient and reliable distribution of electricity.
- Q: What are the common defects in steel billets during continuous casting?
- Some common defects that can occur in steel billets during continuous casting include: 1. Surface cracks: These are cracks that appear on the outer surface of the billet. They can be caused by excessive cooling or improper mold lubrication. Surface cracks can lead to weakened structural integrity and may result in breakage during subsequent processing. 2. Central segregation: This defect occurs when there is an uneven distribution of elements within the billet, leading to variations in composition across its cross-section. Central segregation can result in inconsistent mechanical properties, making the billet unsuitable for certain applications. 3. Inclusion defects: Inclusions are non-metallic particles or impurities that become trapped within the billet during casting. They can originate from the refractory lining, mold powder, or the steelmaking process itself. Inclusion defects can weaken the material and reduce its overall quality. 4. Internal cracks: These cracks occur within the body of the billet and are often caused by thermal stresses or improper cooling. Internal cracks are difficult to detect visually and can compromise the billet's structural integrity. 5. Surface and subsurface defects: These defects include surface depressions, oscillation marks, and hot tears. Surface depressions can be caused by excessive mold oscillation or improper mold condition. Oscillation marks result from non-uniform mold oscillation, leading to uneven cooling and inconsistent billet dimensions. Hot tears occur when the billet contracts unevenly during solidification, resulting in cracks on the surface or subsurface. 6. Pipe defects: Pipes are hollow cavities that can form within the billet during solidification. They are caused by shrinkage and can result in weak points in the material. Pipes can be particularly problematic if they propagate to the surface, as they can lead to breakage during subsequent processing. Overall, these defects can pose significant challenges in the production of high-quality steel billets. Continuous improvement in casting techniques, process control, and quality assurance measures are key to minimizing these defects and ensuring the production of defect-free billets.
- Q: How do steel billets contribute to the overall durability of a product?
- Steel billets contribute to the overall durability of a product by providing a strong and solid foundation. These billets are made from high-quality steel and undergo various processes such as heating, rolling, and shaping to form the desired product. The use of steel billets ensures that the product has excellent strength, resilience, and resistance to wear and tear. This makes the product more durable and capable of withstanding heavy loads, extreme conditions, and prolonged usage.
- Q: How are steel billets prepared for further processing?
- Steel billets are prepared for further processing through a series of steps, which include heating the steel to a specific temperature, followed by hot rolling to shape it into desired forms.
- Q: What are the different methods of steel billet casting?
- There are several different methods of steel billet casting that are commonly used in the industry. These methods include continuous casting, ingot casting, and direct casting. Continuous casting is the most widely used method of steel billet casting. In this process, molten steel is poured into a water-cooled mold, which is usually made of copper. As the steel solidifies, a continuous billet is formed, which is then cut into desired lengths. Continuous casting allows for a high production rate and precise control over the dimensions and quality of the billets. Ingot casting is another method of steel billet casting, which involves pouring molten steel into individual molds to create ingots. These ingots are then allowed to solidify before being reheated and hot rolled into billets. Ingot casting is commonly used for small-scale production or for specialty steel alloys that require specific compositions. Direct casting, also known as strand casting, is a newer method of steel billet casting that eliminates the need for solidification and reheating processes. In this method, molten steel is directly cast into billets through a series of water-cooled copper molds. The billets are then cooled and cut to the desired lengths. Direct casting offers advantages such as reduced energy consumption and improved yield, as it eliminates the intermediate steps of ingot casting. Overall, the choice of steel billet casting method depends on factors such as production volume, desired quality, and specific requirements of the steel alloy being produced. Each method has its own advantages and limitations, and the selection of the appropriate method is crucial for ensuring efficient and cost-effective steel billet production.
- Q: What is the role of steel billets in the shipbuilding industry?
- The shipbuilding industry relies heavily on steel billets as they are the primary material used to build the structural components of ships. These billets, which are semi-finished steel products, are made by casting molten steel into rectangular shapes that can be further processed into various shipbuilding parts. Using steel billets in shipbuilding offers several advantages. Firstly, they are known for their high strength and durability, making them ideal for withstanding the intense stress and harsh conditions ships face, such as waves, corrosion, and extreme temperatures. This ensures the structural integrity and longevity of the vessel. In addition, steel billets have excellent weldability, which is crucial in shipbuilding as ships have numerous welded joints. The ease and reliability of welding steel billets allow for efficient and cost-effective construction methods, reducing both time and labor required. Furthermore, steel billets provide versatility in ship design. They can be easily shaped and fabricated into different forms and sizes, enabling shipbuilders to create complex structures that optimize space utilization and enhance functionality. This flexibility in design allows for the construction of various types of ships, from cargo vessels and tankers to cruise ships and naval vessels. Moreover, steel billets have excellent resistance to corrosion, which is essential for ships constantly operating in corrosive marine environments. The high-quality steel used in billets protects against rust and deterioration caused by seawater, ensuring the safety and longevity of the vessel. Overall, steel billets are crucial in shipbuilding as they provide the necessary strength, weldability, versatility, and corrosion resistance required for constructing durable and seaworthy ships. Their use as the primary raw material allows for the creation of reliable and efficient vessels capable of withstanding the challenging conditions of the maritime environment.
- Q: What is the cost of producing steel billets?
- The production cost of steel billets can vary depending on different factors, such as the quality of the raw materials used, the production process employed, and the market conditions. Typically, the cost of producing steel billets includes several components. Firstly, there is the cost of raw materials, which usually consist of iron ore, coal or coke, and other alloying elements. The prices of these materials can change due to global market dynamics and availability. Secondly, the cost of energy is a significant factor in steel billet production. This includes the cost of electricity and fuel needed for the manufacturing process, such as powering the blast furnaces or electric arc furnaces used to melt the raw materials. Thirdly, labor costs play a crucial role in the overall production cost. This includes wages for skilled and unskilled workers involved in operating the machinery, maintaining equipment, and overseeing the production process. In addition, there are indirect costs that need to be taken into account, such as expenses for machinery maintenance and repair, transportation costs for raw materials and finished products, and overhead costs related to administrative functions. It is important to note that external factors like government regulations, tariffs, and taxes can also influence the production cost of steel billets. Furthermore, market demand and competition can impact pricing strategies and ultimately affect production costs. Therefore, providing an exact cost figure for producing steel billets is challenging due to constant fluctuations. It is best to consult industry experts or steel manufacturers for the most accurate and up-to-date information on production costs.
- Q: What is the role of steel billets in the manufacturing of hydraulic cylinders?
- Steel billets play a crucial role in the manufacturing of hydraulic cylinders as they are the raw material used to create the cylinder body. The billets are heated and then shaped into the desired cylindrical form through processes like hot rolling or forging. This allows for the production of strong and durable cylinders that can withstand high pressure and various operating conditions.
- Q: What are the different surface defects that can occur in steel billets?
- There are several surface defects that can occur in steel billets. Some of the common ones include: 1. Scale: This is a type of oxide layer that forms on the surface of the billet during the heating process. It appears as a rough, flaky coating and can affect the quality of the final product. 2. Cracks: Cracks can occur on the surface of the billet due to various reasons such as thermal stress, improper handling, or excessive cooling. These cracks can be either longitudinal or transverse and can weaken the overall structural integrity of the billet. 3. Decarburization: This is a process in which the carbon content of the steel is reduced at the surface due to exposure to high temperatures or chemical reactions. It can result in a weakened outer layer, affecting the mechanical properties of the billet. 4. Pits: Pitting is the formation of small depressions or cavities on the surface of the billet. It can be caused by corrosion, improper cleaning, or chemical reactions. Pits can lead to reduced strength and localized stress concentrations. 5. Surface roughness: Steel billets may have uneven or rough surfaces due to improper handling, inadequate machining, or poor surface finishing. This can affect the appearance and performance of the final product. 6. Inclusions: Inclusions are non-metallic materials that are trapped in the steel during the manufacturing process. They can appear as dark spots, streaks, or irregular shapes on the surface of the billet. Inclusions can weaken the steel and reduce its ductility. 7. Surface contamination: Steel billets can be contaminated with foreign materials such as dirt, oil, or grease during handling or storage. These contaminants can affect the quality of the final product and may lead to surface defects or corrosion. It is crucial to detect and address these surface defects early in the manufacturing process to ensure the production of high-quality steel billets. Various inspection techniques, such as visual examination, ultrasonic testing, and magnetic particle inspection, can be employed to identify and mitigate these defects.
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Q235/3SP 170MM 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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