Square Steel Billet Q235 3SP Grade Prime Quality 11#
- Ref Price:
-
- 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 11#
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.
Main Feature Square Steel Billet Q235 3SP Grade Prime Quality 11#
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 11#
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.
Specifications of Square Steel Billet Q235 3SP Grade Prime Quality 11#
| Standard | C(%) | 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 |
| 20MnSi | 0.17-0.25 | 1.2-1.6 | ≤ 0.050 | ≤ 0.050 | 0.40-0.80 |
| 3SP | 0.14-0.22 | 0.40-0.85 | ≤ 0.050 | ≤ 0.040 | 0.05-0.15 |
| 5SP | 0.28-0.37 | 0.50-1.00 | ≤ 0.050 | ≤ 0.040 | 0.15-0.30 |
FAQ of Square Steel Billet Q235 3SP Grade Prime Quality 11#
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 marine gear?
- Steel billets contribute to the manufacturing of marine gear by serving as the raw material for the production of various components, such as gears, shafts, and bearings. These billets are first heated and then shaped through forging or machining processes to create the desired gear components with high strength and durability. The use of steel billets ensures that the marine gear can withstand the harsh conditions of marine environments, such as corrosion, high loads, and extreme temperatures, ultimately enhancing the performance and reliability of the gear in marine applications.
- Q: How are steel billets used in the production of valves and fittings?
- Valves and fittings heavily rely on steel billets as a vital raw material. These billets, essentially semi-finished steel products, go through various procedures to ultimately attain the desired shape and size of valves and fittings. To begin with, steel billets are heated to a specific temperature in a furnace to increase their malleability. This enables easier shaping and manipulation of the steel during subsequent forming methods. Once heated, the billets are then transferred to a rolling mill where they undergo multiple passes through rollers to gradually decrease their cross-sectional area and length. This hot rolling process refines the steel's grain structure and enhances its mechanical properties. Following hot rolling, the steel billets often undergo further processing using a technique known as extrusion. In this method, the heated billet is pushed through a die, which imparts the desired shape and dimensions onto the steel. Extrusion is commonly employed to produce cylindrical or tubular shapes, which are crucial components in valves and fittings. Once the desired shape is achieved, the extruded steel is typically subjected to heat treatment methods like quenching and tempering to enhance its strength and durability. This ensures that the final valves and fittings can withstand the demanding conditions they will encounter during their operational lifespan. Ultimately, the heat-treated steel is machined and finished to meet the specific requirements of the valves and fittings. This involves processes such as drilling, threading, and surface finishing to attain the necessary dimensions, threads, and smoothness. In conclusion, valves and fittings are produced from steel billets through a series of procedures including heating, hot rolling, extrusion, heat treatment, and machining. These processes guarantee that the resulting valves and fittings possess the necessary strength, durability, and dimensional accuracy needed for their intended applications.
- Q: How are steel billets stored to prevent corrosion?
- In order to prevent corrosion, steel billets are typically stored in a manner that avoids direct contact with moisture and oxygen, which are the primary culprits. One common approach involves keeping the billets indoors in a controlled environment, such as a warehouse or storage facility. These facilities are specially designed to maintain low levels of humidity and often feature climate control systems for temperature and moisture regulation. To provide further protection against corrosion, steel billets can be placed on wooden pallets or racks. This ensures that they are kept away from the ground and any potential sources of moisture. Additionally, it is customary to apply a protective coating or oil film on the surface of the billets before storing them. This coating acts as a barrier, preventing moisture and oxygen from directly contacting the steel and reducing the risk of corrosion. Regular inspections and maintenance are crucial to promptly identify and address any signs of corrosion. This may involve periodic cleaning, applying additional protective coatings, or implementing other preventive measures as needed. By storing steel billets in a controlled environment, applying protective coatings, and conducting regular inspections, the risk of corrosion can be significantly minimized. This ensures that the billets remain in optimal condition for future use.
- Q: What is the global production capacity of steel billets?
- Accurately estimating the global production capacity of steel billets proves challenging due to its annual fluctuations and susceptibility to factors like market demand, economic conditions, and technological advancements. Nonetheless, the World Steel Association reports that in 2019, the total global production capacity for steel billets stood at around 1.86 billion metric tons. This capacity is distributed among different countries and steel-producing regions, with China leading as the largest producer, trailed by India, Japan, and the United States. It is crucial to acknowledge that these statistics are subject to alteration as the steel industry evolves and grows.
- Q: How are steel billets used in the production of structural components?
- Steel billets are used in the production of structural components by being heated and molded into desired shapes such as beams, columns, and plates. These billets serve as the starting material, which is then further processed through rolling, forging, or extrusion to create strong and durable structural components used in various industries such as construction, automotive, and aerospace.
- Q: What is the size range of steel billets?
- The size range of steel billets can vary depending on the specific requirements of the industry or application. However, in general, steel billets are typically produced in square or rectangular shapes, with dimensions ranging from 100mm to 200mm in width and height, and lengths ranging from 3 to 12 meters. These dimensions can be customized based on the intended use of the billets, such as for forging, rolling, or further processing into finished steel products.
- Q: What are the different methods of steel billet surface shot blasting?
- There are several different methods of steel billet surface shot blasting that are commonly utilized in various industries. These methods include: 1. Wheel blasting: This method involves using a wheel mechanism to propel abrasive particles onto the surface of the steel billet. The wheel rotates at a high speed, creating centrifugal force that propels the abrasives towards the billet, effectively removing any impurities or surface contaminants. 2. Air blasting: Air blasting is another commonly used method, where compressed air is used to propel abrasive particles onto the surface of the steel billet. The compressed air creates a high-pressure stream that propels the abrasives, effectively cleaning and preparing the surface. 3. Wet blasting: This method involves combining water with the abrasive particles before propelling them onto the steel billet surface. The addition of water helps to minimize dust and control the heat generated during the blasting process. Wet blasting is often used for steel billets that require a more delicate or controlled surface cleaning. 4. Shot peening: Shot peening is a specialized method used to improve the fatigue life and strength of the steel billet surface. In this process, small steel shots are propelled onto the surface with controlled intensity, creating compressive stresses that help to prevent crack initiation and propagation. 5. Vacuum blasting: Vacuum blasting is a method that combines a blast nozzle with a vacuum system. The abrasive particles are propelled onto the steel billet surface, and simultaneously, a vacuum system removes the spent abrasive particles and any loose debris. This method ensures a clean and dust-free environment during the blasting process. It's important to note that the choice of method will depend on various factors such as the type and condition of the steel billet, the desired surface finish, the level of contamination, and the specific requirements of the industry. Each method has its own advantages and limitations, and selecting the appropriate method is crucial to achieve the desired surface quality and cleanliness.
- Q: What are the main factors affecting the impact toughness of steel billets?
- The impact toughness of steel billets can be affected by several main factors. Firstly, the toughness of the steel is significantly influenced by its chemical composition. Alloying elements like carbon, manganese, and nickel can enhance toughness. Higher carbon content increases hardness but decreases impact toughness. On the other hand, the addition of manganese and nickel promotes the formation of fine-grained structures, improving toughness. Secondly, the heat treatment process used during steel billet production plays a crucial role in their toughness. Annealing and quenching processes refine the microstructure of the steel, making it more resistant to cracking and brittle fracture. However, improper heat treatment or rapid cooling rates can lead to the formation of undesirable phases or microstructural defects, reducing impact toughness. Thirdly, the presence of impurities and inclusions in the steel also affects its toughness. Non-metallic inclusions, such as sulfides and oxides, act as stress concentrators and initiate crack propagation during impact loading. Therefore, steel with lower impurity levels and cleaner inclusion content exhibits higher toughness. Moreover, the grain size of the steel significantly influences its toughness. Finer grain sizes improve toughness due to the increased number of grain boundaries that act as barriers to crack propagation. Thus, steel billets with smaller grain sizes are more resistant to brittle fracture. Lastly, the mechanical working processes like hot rolling or forging can affect the toughness of steel billets. These processes induce deformation and strain hardening, increasing strength but potentially decreasing toughness. Careful control of deformation parameters is necessary to balance strength and toughness in steel billets. To summarize, the impact toughness of steel billets is influenced by various factors, including chemical composition, heat treatment, impurities and inclusions, grain size, and mechanical working processes. Understanding and optimizing these factors are crucial in producing steel billets with the desired toughness for specific applications.
- Q: What are the common defects in billet? What's the cause?
- Three, radiographic inspection, surface defects; 3, 2, other defects, not welded and welded, undercut;Three, cold crack and fluorescence test;Four common welding defects are: 1; 4; 2:A;
- Q: How is a steel billet made?
- A steel billet is typically made through a process called continuous casting, which involves several steps. First, the raw materials for steel production, such as iron ore, coal, and limestone, are gathered and processed. These materials are then transformed into molten pig iron in a blast furnace. The molten pig iron is then transferred to a basic oxygen furnace or an electric arc furnace, where it undergoes further refining. In these furnaces, impurities such as carbon, sulfur, and phosphorus are removed, and alloying elements such as manganese, chromium, and nickel may be added to achieve desired properties. Once the molten steel is chemically balanced and refined, it is ready for casting. The steel is poured into a water-cooled copper mold, known as a continuous caster. As the molten steel flows into the mold, it solidifies and takes the shape of a long rectangular or square billet. During the casting process, water is circulated through the mold to rapidly cool the steel and facilitate solidification. This controlled cooling helps to ensure the billet has a consistent structure and desired mechanical properties. After solidification, the billet is cut into predetermined lengths using a torch or a shear. These billets can range in size, depending on their intended use, and may weigh several tons. Once cut, the billets can be further processed through rolling, forging, or other shaping methods to create various steel products such as bars, rods, tubes, or structural shapes. Overall, the production of a steel billet involves transforming raw materials into molten steel, refining it, and then casting it into a solid shape through continuous casting. The resulting billet serves as a starting point for the production of a wide range of steel products used in various industries.
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Square Steel Billet Q235 3SP Grade Prime Quality 11#
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 2000 m.t
- Supply Capability:
- 50000 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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