Square Steel Billet Q235 3SP Grade Prime Quality 13#
- 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 13#
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 13#
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 13#
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 13#
| 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 13#
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 different quality standards for steel billets?
- There are several quality standards for steel billets, including ASTM (American Society for Testing and Materials), ISO (International Organization for Standardization), and EN (European Norm) standards. These standards define various parameters such as chemical composition, mechanical properties, and dimensional tolerances that steel billets must meet in order to ensure their quality and suitability for different applications.
- Q: How are steel billets used in the manufacturing of slabs?
- The manufacturing of slabs relies heavily on steel billets, which are vital raw materials. Slabs, being sizable and flat steel pieces, are widely used in various industries like construction, automotive, and manufacturing. To create slabs, the initial step involves obtaining steel billets. These billets are partially finished steel products that are usually acquired through continuous casting or hot-rolling ingots. They are solid blocks of steel, either rectangular or square-shaped, and their cross-sectional area varies depending on the desired size and thickness of the slabs. Once the steel billets are acquired, they undergo heating to a high temperature, making them more pliable and easier to shape. This heating process, known as hot rolling, entails passing the billets through a series of rolling mills, gradually reducing their thickness and increasing their length. Intense pressure is applied to the billets in the rolling mills, resulting in elongation and the attainment of the desired dimensions. Throughout the hot rolling process, the steel billets are often subjected to different manipulations, such as reheating and cooling, to ensure proper shaping and metallurgical properties. Additional processes like descaling (removal of the oxide layer) and surface treatment may also be performed on the billets to enhance their quality and finish. Upon completion of the hot rolling process, the steel billets are transformed into slabs. These slabs then undergo further processing to meet specific requirements. For example, they may undergo additional rolling or reheating to achieve the desired thickness, dimensions, and surface finish. Depending on the intended use, the slabs can be cut into smaller pieces or further processed into various steel products like plates, sheets, or coils. In conclusion, steel billets are of utmost importance in the manufacturing of slabs. They serve as the starting point for the production process, undergoing hot rolling and other treatments to shape them into the desired form, size, and quality. The resulting slabs are then used as a key input across multiple industries, contributing to the production of a wide range of steel products.
- Q: How are steel billets different from steel ingots?
- Steel billets and steel ingots are both intermediate products in the steel manufacturing process, but they differ in terms of their shape and size. Steel billets are smaller and have a square or rectangular cross-section, typically measuring less than 36 square inches. In contrast, steel ingots are larger and have a more irregular shape, often weighing several tons. Additionally, steel billets are typically produced using continuous casting methods, while steel ingots are typically made through traditional ingot casting processes.
- Q: What are the common defects found in steel billets?
- There are several common defects that can be found in steel billets. These defects can occur during the manufacturing process or due to external factors. One common defect is surface cracks, which can occur due to improper cooling, handling, or excessive stress during rolling or forming. These cracks can weaken the billet and affect its overall strength and integrity. Another common defect is internal voids or inclusions, which can occur due to the presence of impurities or foreign particles in the steel. These voids can create weak spots in the billet and can lead to structural failures or reduced mechanical properties. Misalignment or misshaping is another defect that can occur during the cooling or forming process. This defect can result in uneven thickness or dimensions, which can compromise the billet's performance and suitability for its intended application. In addition, excessive segregation of alloying elements can occur, leading to uneven distribution of properties within the billet. This can result in inconsistent mechanical properties and reduced overall quality. Lastly, surface defects such as scale, pitting, or surface imperfections can also be found in steel billets. These defects can occur due to improper handling, storage, or exposure to harsh environments. While these defects may not affect the structural integrity of the billet, they can impact the surface finish and aesthetics of the final product. Overall, it is essential to identify and address these common defects in steel billets to ensure the production of high-quality and reliable steel products. Regular inspections, quality control measures, and proper handling and storage techniques can help minimize and prevent these defects.
- Q: Can steel billets be used in the production of medical equipment?
- Certainly, medical equipment can utilize steel billets. Renowned for its robustness, longevity, and resistance to deterioration, steel proves to be an optimal substance for fabricating diverse medical apparatus. Steel billets, the preliminary intermediate product in steel production, can undergo additional processing and molding to form precise components or parts indispensable for medical equipment. Such components encompass surgical instruments, implants, orthopedic devices, needles, and other medical implements. The mechanical attributes of steel and its capacity to endure sterilization procedures render it a fitting preference for manufacturing dependable and secure medical equipment.
- Q: What are the different heat treatment processes for alloy steel billets?
- There are several different heat treatment processes that can be used for alloy steel billets, depending on the desired properties and intended application of the material. Some of the most common heat treatment processes for alloy steel billets include: 1. Annealing: This process involves heating the billets to a specific temperature and then slowly cooling them, usually in a furnace. Annealing helps to relieve internal stresses and improve the machinability of the alloy steel. 2. Normalizing: Normalizing is similar to annealing, but the cooling process is done in still air instead of a furnace. This process helps to refine the grain structure of the alloy steel and improve its mechanical properties, such as strength and hardness. 3. Quenching and tempering: Quenching involves rapidly cooling the heated alloy steel in a liquid medium, such as oil or water, to achieve high hardness and strength. After quenching, the billets are then tempered by reheating them to a lower temperature, which helps to reduce the brittleness and improve toughness. 4. Precipitation hardening: This process is commonly used for alloy steels that contain elements such as aluminum, copper, or titanium. Precipitation hardening involves a series of heat treatments that cause the alloying elements to form fine particles within the steel, resulting in improved strength and hardness. 5. Case hardening: Case hardening is a surface heat treatment process that is used to increase the hardness of the outer layer of the alloy steel billets. This is achieved by heating the billets in the presence of a carbon-rich atmosphere or by applying a carbon-rich compound to the surface, followed by quenching and tempering. These are just a few of the many heat treatment processes that can be used for alloy steel billets. The specific process chosen will depend on factors such as the alloy composition, desired properties, and intended application of the material. It is important to carefully consider these factors and consult with heat treatment experts to ensure the desired results are achieved.
- Q: What are the potential applications of steel billets in the aerospace industry?
- Steel billets have several potential applications in the aerospace industry. They can be used for the manufacturing of various components such as engine parts, landing gear components, and structural elements. The high strength and durability of steel billets make them suitable for ensuring the structural integrity and safety of aircraft. Additionally, their excellent heat resistance properties make them ideal for applications in the aerospace industry where high temperatures are encountered, such as in jet engines.
- Q: Are steel billets used in the shipbuilding industry?
- Steel billets are commonly utilized in the shipbuilding industry. They serve as semi-finished steel products, usually employed as raw materials for further processing. Within shipbuilding, these billets find application in the production of diverse structural components, including plates, beams, and bars, which constitute the ship's framework. The remarkable strength and durability of steel deem it an optimal material for ship construction, capable of enduring the challenging conditions of the marine environment. Moreover, steel billets possess the advantage of being easily molded and welded, facilitating the fabrication of intricate ship structures. Overall, the pivotal role played by steel billets in the shipbuilding sector revolves around supplying the essential raw materials necessary for constructing robust and dependable vessels.
- 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: Can steel billets be used for making architectural structures?
- Yes, steel billets can be used for making architectural structures. Steel billets are semi-finished products that are typically cast into specific shapes and sizes before being further processed into different steel products. These billets can be used as a raw material for fabricating various architectural structures such as beams, columns, frames, and trusses. Steel is a widely used material in the construction industry due to its high strength, durability, and versatility. It offers several advantages over other construction materials, including its ability to withstand heavy loads, resist corrosion, and provide excellent fire resistance. Steel billets can be processed and shaped into different forms, allowing architects and engineers to create innovative and complex architectural designs. Furthermore, steel structures offer several benefits in terms of cost-effectiveness, speed of construction, and sustainability. Steel is a highly recyclable material, making it an environmentally friendly choice. The use of steel billets in architectural structures enables the construction of large and complex structures with greater precision and efficiency. Overall, steel billets can be effectively used in the construction of architectural structures, offering numerous advantages in terms of strength, durability, design flexibility, and sustainability.
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Square Steel Billet Q235 3SP Grade Prime Quality 13#
- 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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