• Continue Casting Steel Bloom by Blast Furnace Q235 System 1
  • Continue Casting Steel Bloom by Blast Furnace Q235 System 2
Continue Casting Steel Bloom by Blast Furnace Q235

Continue Casting Steel Bloom by Blast Furnace Q235

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m.t.
Supply Capability:
100000 m.t./month

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Continue Casting Steel Bloom by Blast Furnace Q235

 

1.Structure of  Continue Casting Steel Bloom by Blast Furnace Q235

 

Continue Casting Steel Bloom by Blast Furnace Q235 the raw material of all kinds of steel mill. Billet section of square, round, flat, rectangular and abnormity, etc Several, mainly related to shape of rolled products. Simple rolled section steel, choose cross section of square billet or rectangular billet. rolling The sector products such as flat steel, Angle steel, select the rectangular billet or slab. Had better profiled billet when production beams, channels, and in rolling process Lines and improve the yield. The raw material of round billet is the production of seamless tube. 


2.Main Features of  Continue Casting Steel Bloom by Blast Furnace Q235

Continue Casting Steel Bloom by Blast Furnace Q235section size should meet the requirements of rolling deformation and finished product quality, but also roll strength and biting condition of restrictions. General steel Billet section height H. And the roll diameter D The ratio of the ( namely H/D) Should be less than or equal to zero 0.5 . Length of steel billet by finishing temperature, Rolling time and the length of the product Or times ruler. When heated too long accident prone to bump the furnace wall of steel, too short, furnace bottom utilization rate is not high, influence the heating furnace production. For the production Choose a variety of steel and steel billet, should consider the affinities of billet, as far as possible in order to improve the productivity of the roughing mill, simplify the stock management of workshop.

 

3.  Continue Casting Steel Bloom by Blast Furnace Q235 Images

 

 

 

Continue Casting Steel Bloom by Blast Furnace Q235

Continue Casting Steel Bloom by Blast Furnace Q235

 

 

 

 

4.  Continue Casting Steel Bloom by Blast Furnace Q235 Specification

 Continue Casting Steel Bloom by Blast Furnace  rolled steel, after processing can be used for mechanical parts, forging parts, processing all kinds of steel, steel Q345B channel steel, wire rod is the role of the billet. Steel billet is used in the production of semi-finished products, generally cannot be used directly for the society. Steel billets and steel are strictly divided into standard, cannot decide to whether the business enterprise of the final product, and according to unified standards to perform the whole society. Typically, billet and the steel is relatively easy to distinguish, but for some steel billet, and have the same specification and same steel purposes (such as rolling tube billet), whether can be used for other industries, whether through steel processing process, whether through a finished product rolling mill processing to distinguish

Material standard The editor Range of thickness: 150-240 - mm + / - 5 mm width range: 880-1530 - mm + / - 20 mm Length: 3700-10000 - mm + / - 500 - mm Cross-sectional size: 64 * 64; 82 * 82; 98 * 98; 124 * 124; 120 * 150; 152 * 164; 152 * 170 mm Length: 9000 mm Section of tolerance: billet: 1.0 + / - 2.0-1.0 + / - 1.0 mm slab: width: + / - 2.0 mm thickness: + / - 3.0 mm The length tolerance: + / - 200 mm Section diagonal tolerance: 3.5-8.0 MM Billet section size protrusions requirements: < 1242 mm, do not allow; > = 1242 mm, < = 2 mm 1242 mm, < = 3 mm Beheading (shear) extension deformation: < 1242 mm billet: no control; The slab: < = 15 mm Surface tilt: no more than billet section 0.1 Bending: every 1 m length is not more than 10 mm The distortion: length < = 5 m, < = 11. ; The length of the < = 7.5 M, < = 5. Material % 3 sp/PS chemical composition: C Mn Si S P

Q235A: C:0.14-0.22%, Mn: 0.3-0.65%, Si: max 0.3%, S:MAX 0.045% P:MAX 0.045%

Q235B: C:0.12-0.2%, Mn: 0.3-0.7%, Si: max 0.3%, S:MAX 0.045% P:MAX 0.045%

Q235C: C:MAX 0.18%, Mn: 0.35-0.8%, Si: max 0.3%, S:MAX 0.04% P:MAX 0.045%

Q235D: C:MAX 0.17%, Mn: 0.35-0.8%, Si: max 0.3%, S:MAX 0.035% P:MAX 0.035%

For diffirent usage, can add some other chemical compositions.

 

5.FAQ of  Continue Casting Steel Bloom by Blast Furnace Q235

 

We have organized several common questions for our clients,may help you sincerely: 

 

①How to make the contract for the long term business?

Because the steel billet price is changing according to the market price changing every day, so we could't make a long term business contract with our customer.

 

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

And you can employ the third party inspecting company to check and get the report from them dirrectly or you can pay and then we can arrange for you before loading.And if you have any feedback about the quality you can tell us in the first time.

 

③Except the Q235, are there any other grades we can order?

Yes, there are, you can choose and then we do that for you, for example Q195/215/275 or you can give us the chemical composition and then we make for you.

  

 

Q: How to purchase suitable billet heating furnace
Billet heating furnace manufacturers are many, the procurement of cost-effective equipment is the user's best choice.
Q: What is the role of steel billets in the manufacturing of construction cranes?
Steel billets play a crucial role in the manufacturing of construction cranes as they serve as the raw material for the production of various crane components. These billets are essentially semi-finished steel products that are cast into a specific shape and size, usually in a rectangular or square form. One of the primary uses of steel billets in crane manufacturing is for the production of structural members such as beams, columns, and braces. These components provide the necessary strength and stability to support the weight of the crane and the loads it carries. Steel billets are chosen for their high strength and durability, allowing the crane to withstand heavy loads and adverse working conditions. Moreover, steel billets are also used to manufacture the boom, jib, and other lifting mechanisms of the crane. These components are subjected to significant stress and forces during crane operation, and steel billets' superior mechanical properties make them ideal for ensuring the structural integrity and longevity of the crane. Additionally, steel billets are utilized in the fabrication of the crane's counterweights. Counterweights are essential to balance the weight of the load being lifted and prevent the crane from tipping over. By using steel billets, manufacturers can produce counterweights that are heavy enough to counterbalance the loads without compromising the overall stability and safety of the crane. Furthermore, steel billets are often used in the production of other crane parts such as pins, bolts, and connectors. These small but critical components contribute to the overall performance and functionality of the crane, ensuring smooth operation and structural integrity. Overall, steel billets serve as the building blocks for the manufacturing of construction cranes, providing the necessary strength, durability, and stability required for these heavy-duty machines. Without steel billets, it would be nearly impossible to produce cranes capable of lifting heavy loads and withstanding the demanding conditions of construction sites.
Q: Can steel billets be used in the production of marine equipment?
Yes, steel billets can be used in the production of marine equipment. Steel is known for its strength, durability, and corrosion resistance, making it a suitable material for marine applications. Steel billets, which are semi-finished products in the steel manufacturing process, can be further processed and transformed into various marine equipment components such as ship hulls, propeller shafts, rudders, and offshore structures. The high strength-to-weight ratio of steel makes it ideal for handling the demanding conditions encountered in marine environments, including exposure to saltwater, extreme temperatures, and mechanical stresses. Additionally, steel can be easily fabricated, welded, and machined, allowing for the customization and production of complex marine equipment designs. Overall, steel billets are a valuable raw material in the production of marine equipment due to their strength, durability, and suitability for marine applications.
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: What are the main challenges in steel billet production?
Some of the main challenges in steel billet production include maintaining consistent quality, optimizing production processes to minimize energy consumption and waste, ensuring proper inventory management to meet customer demand, and dealing with fluctuations in raw material prices. Additionally, meeting environmental regulations and addressing safety concerns are also significant challenges in steel billet production.
Q: What is the standard size of a steel billet?
The standard size of a steel billet can vary depending on the specific requirements and industry standards. However, in general, steel billets are typically rectangular in shape and have dimensions ranging from 100mm x 100mm to 200mm x 200mm. The length of a steel billet can also vary but is commonly around 6 meters. It is important to note that these dimensions are not fixed and can be customized based on the intended use and manufacturing process.
Q: What are the main factors affecting the fatigue strength of stainless steel billets?
There are several main factors that can affect the fatigue strength of stainless steel billets. Firstly, the composition of the stainless steel plays a significant role in determining its fatigue strength. Stainless steel alloys with higher amounts of elements such as chromium, molybdenum, and nickel tend to have improved fatigue strength. These alloying elements enhance the material's resistance to corrosion and increase its ability to withstand cyclic loading, resulting in better fatigue performance. Secondly, the microstructure of the stainless steel billet is another important factor. The presence of defects or impurities within the microstructure can act as stress concentration points, making the material more prone to fatigue failure. Therefore, a well-controlled and homogenous microstructure is essential for achieving higher fatigue strength. Thirdly, the surface condition of the stainless steel billet can significantly impact its fatigue strength. Surface irregularities, such as scratches, nicks, or pitting, act as stress raisers and can initiate cracks under cyclic loading. Proper surface treatment, such as grinding, polishing, or passivation, can help to minimize these surface defects and improve the fatigue resistance of the material. Additionally, the manufacturing process and heat treatment of stainless steel billets can influence their fatigue strength. Processes such as forging, rolling, or extrusion can introduce residual stresses into the material, which may decrease its fatigue strength. Therefore, careful control of the manufacturing process and appropriate heat treatment techniques, such as annealing or quenching, are crucial to optimize the fatigue performance of stainless steel billets. Lastly, operating conditions, including the applied stress levels, temperature, and environmental factors, can also affect the fatigue strength of stainless steel billets. Higher stress levels or elevated temperatures can accelerate fatigue crack initiation and propagation, leading to reduced fatigue life. Similarly, exposure to corrosive environments can promote localized corrosion fatigue, causing premature failure. Therefore, understanding the intended operating conditions and selecting the appropriate stainless steel grade and surface protection can help to maximize the fatigue strength and prolong the service life of stainless steel billets.
Q: What are the main factors affecting the dimensional stability of steel billets?
The main factors affecting the dimensional stability of steel billets include temperature variation, cooling rate, composition of alloying elements, and the presence of residual stresses.
Q: How are steel billets used in the manufacturing of gears and bearings?
Gears and bearings rely heavily on steel billets as a vital raw material during their manufacturing process. These billets, which are semi-finished steel products, are typically cast into rectangular or square shapes. They act as the starting point for producing different components utilized in gears and bearings. Regarding gears, steel billets are initially cut into smaller sections to create gear blanks or rough gear shapes. These blanks then undergo a series of operations, including forging, machining, and heat treatment. Forging involves shaping the gear blank using compressive forces, enhancing the mechanical properties of the steel and aligning the grain structure for increased strength. Subsequently, machining is employed to eliminate excess material, refine the shape, and form the gear teeth. Ultimately, heat treatment is applied to enhance the hardness, toughness, and wear resistance of the gear. Similarly, in bearing manufacturing, steel billets are transformed into various components such as inner and outer rings, balls or rollers, and cages. Initially, the billets are cut and shaped into rough rings, which are further processed through machining operations to attain the desired dimensions and precision. Often, the rings undergo heat treatment to enhance their hardness, improve surface finish, and increase resistance to wear and fatigue. The balls or rollers are also produced from steel billets using a similar process, while cages are typically fabricated separately using sheet metal. In summary, steel billets play a vital role in the manufacturing of gears and bearings. They serve as the foundational material, undergoing various shaping, machining, and heat treatment processes to create the final components with the required strength, durability, and precision. The quality of the steel billets used significantly impacts the performance and longevity of gears and bearings, thus making them an essential aspect of the entire manufacturing process.
Q: What is the typical fatigue strength of a steel billet?
The typical fatigue strength of a steel billet can vary depending on several factors such as the specific composition of the steel, the manufacturing process, and any surface treatments applied. Generally, fatigue strength refers to the ability of a material to withstand repeated loading and unloading cycles without failure. Steel, being a strong and durable material, typically exhibits a high fatigue strength compared to other materials. However, the exact value of fatigue strength can vary significantly depending on the specific grade of steel and its intended application. In engineering and industry, fatigue strength is often represented by a stress-life (S-N) curve, which plots the stress level applied to the steel billet against the number of cycles to failure. The shape of the curve provides valuable information about the fatigue behavior of the steel. It is important to note that the fatigue strength of a steel billet is usually determined through rigorous testing procedures, such as fatigue testing machines that subject the material to cyclic loading until failure occurs. These tests help engineers and manufacturers establish the safe operating limits for different steel grades and applications. Therefore, without specific information about the steel grade, manufacturing process, and any additional factors, it is not possible to provide a precise value for the typical fatigue strength of a steel billet. However, it is generally understood that steel has good fatigue resistance and can withstand a significant number of cycles before failure, making it a reliable choice for many structural and mechanical applications.

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