Square Steel Billet Q235 3SP Grade Prime Quality 1#
- 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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Quality Product, Order Online Tracking, Timely Delivery
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Description of Square Steel Billet Q235 3SP Grade Prime Quality 1#
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 1#
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 1#
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 1#
| 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 1#
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 marine industry?
- The marine industry relies heavily on steel billets, which serve a crucial role in constructing and maintaining marine structures and vessels. These semi-finished steel products offer numerous benefits and are widely used in the marine industry. First and foremost, steel billets possess excellent strength properties and are highly durable. This makes them ideal for withstanding harsh marine conditions like corrosion, extreme temperatures, and high-pressure environments. They are commonly used in building ship hulls, offshore platforms, and other marine structures that face the challenging conditions of the sea. Additionally, steel billets can be easily shaped and molded into various forms, making them versatile for a wide range of marine applications. They can be used to produce different components and parts such as propeller shafts, engine components, pipelines, and structural beams. Moreover, steel billets are vital in manufacturing anchors, chains, and other mooring equipment crucial for securing vessels and offshore structures. Furthermore, steel billets are known for their excellent weldability, which is essential in the marine industry. Regular maintenance, repair, and modification are common requirements for ships and offshore structures. The seamless welding of steel billets allows for efficient repairs and alterations, ensuring the structural integrity and safety of marine vessels and infrastructure. In terms of sustainability, steel billets have a long lifespan and can be recycled multiple times. This makes them an environmentally friendly choice for the marine industry, reducing the need for new raw materials and minimizing environmental impact. To summarize, steel billets are indispensable to the marine industry due to their durability, strength, versatility, weldability, and sustainability. Their qualities enable their use in constructing, repairing, and maintaining marine structures and vessels, ensuring their reliability and longevity in the challenging marine environment.
- Q: What are the different quality standards for steel billets?
- There are several quality standards for steel billets which are used to assess the overall quality and suitability of the material for various applications. Some of the prominent quality standards include: 1. ASTM A615/A615M: This standard specifies the requirements for deformed and plain carbon-steel bars for concrete reinforcement. It covers billets used in the production of reinforcing bars with specific mechanical properties and dimensional tolerances. 2. ASTM A706/A706M: This standard outlines the requirements for low-alloy steel used in the production of reinforcing bars. It specifies the chemical composition, mechanical properties, and dimensional tolerances of the billets. 3. EN 10025-2: This European standard specifies the requirements for non-alloy structural steels. It covers billets used in the production of various structural elements, such as beams, columns, and plates. The standard defines the chemical composition, mechanical properties, and technical delivery conditions of the steel billets. 4. JIS G3112: This Japanese industrial standard covers steel bars for concrete reinforcement. It outlines the chemical composition, mechanical properties, and tolerances for billets used in the production of reinforcing bars. 5. GB/T 699: This Chinese standard specifies the quality requirements for carbon structural steels. It defines the chemical composition, mechanical properties, and technical delivery conditions of steel billets used in various structural applications. These quality standards ensure that steel billets meet specific criteria for strength, durability, and dimensional accuracy. Adhering to these standards guarantees that the steel billets are of high quality and suitable for their intended use in construction, manufacturing, and reinforcement applications.
- Q: How do steel billets differ from steel ingots?
- Steel billets and steel ingots differ in terms of their shape and size. Steel billets are typically long and narrow, resembling a thick bar or rod, while steel ingots are larger and have a rectangular or square shape. Additionally, steel billets are usually smaller in size compared to steel ingots. Moreover, steel billets are often produced through continuous casting, while steel ingots are typically made through the traditional method of pouring molten steel into molds.
- Q: What are the main factors affecting the dimensional tolerances of steel billets?
- Various factors can influence the dimensional tolerances of steel billets. The manufacturing process itself is one of the main factors. The method employed to produce the billets, whether it be casting or hot rolling, can impact the final dimensions. Casting processes, for instance, can introduce variations in the cooling rate, thereby affecting the overall shape and size of the billets. Another crucial factor is the initial quality of the raw material. The composition and homogeneity of the steel utilized in billet production can contribute to dimensional variations. Impurities or uneven distribution of alloying elements can result in inconsistencies in the size and shape of the billets. The temperature maintained during the manufacturing process is also significant. High temperatures have the potential to cause thermal expansion, leading to dimensional changes in the billets. Proper control of cooling rates and the cooling process is vital to maintaining the desired tolerances. The design and condition of the manufacturing equipment can also impact dimensional tolerances. Adequate maintenance and calibration of machinery are essential to ensure consistent and accurate production. Lastly, external factors like handling and transportation can affect the dimensional tolerances of steel billets. Improper handling or rough transportation conditions can result in physical deformations or damage to the billets, leading to variations in their dimensions. In summary, achieving the desired dimensional accuracy in steel billets necessitates attention to factors such as the manufacturing process, raw material quality, temperature control, equipment condition, and handling and transportation practices.
- Q: How are steel billets used in the manufacturing of automotive components?
- Steel billets are used in the manufacturing of automotive components as the starting material for various forging and machining processes. These billets are heated, shaped, and then further processed to create different automotive parts like crankshafts, connecting rods, gears, and axles. The high strength and durability of steel make it an ideal choice for these critical components, ensuring the safety and performance of vehicles.
- Q: How is the quality of steel billets ensured during the manufacturing process?
- The quality of steel billets is guaranteed by implementing strict testing measures and adhering to industry standards throughout the manufacturing process. There are several crucial steps involved in maintaining the quality of steel billets: 1. Inspection of Raw Materials: Initially, the raw materials, typically iron ore and/or scrap metal, undergo careful scrutiny to ensure they meet the necessary specifications. This involves examining impurities and verifying the chemical composition. 2. Melting and Refining: The raw materials are melted in a furnace and impurities are eliminated through refining techniques like desulphurization and degassing. This process improves the quality of the steel by reducing unwanted elements and enhancing its overall purity. 3. Casting: Subsequently, the refined steel is cast into billet form using a continuous casting process. This method guarantees uniform size and shape of the billets, which is crucial for further processing. 4. Non-Destructive Testing: Throughout and after the continuous casting process, various non-destructive testing methods, including ultrasonic testing, magnetic particle inspection, and visual inspection, are employed to assess the integrity of the billets. These tests identify any defects or imperfections that may compromise the quality of the billets. 5. Heat Treatment: Depending on the desired properties of the final steel product, the billets may undergo heat treatment processes like annealing, quenching, or tempering. These procedures further enhance the strength, hardness, and other mechanical properties of the steel. 6. Final Inspection: The finished steel billets undergo a final inspection to ensure they meet the required specifications. This involves assessing their dimensions, surface quality, and mechanical properties. Typically, samples from each batch are subjected to destructive testing to confirm their strength and other properties. 7. Traceability and Documentation: It is essential to maintain proper traceability and documentation of all quality-related activities throughout the manufacturing process. This includes recording test results, maintaining batch records, and ensuring accurate identification and labeling of the billets. By adhering to these rigorous procedures and conducting various tests, manufacturers can guarantee the maintenance of steel billet quality at every stage of the manufacturing process. This ensures that the final steel products made from these billets will meet the required standards and perform as intended in various applications.
- Q: What are the different types of steel billet quality control tests?
- To ensure the integrity and suitability of steel billets for further processing, various types of quality control tests are conducted. These tests play a vital role in maintaining the desired quality standards in the steel industry and detecting any defects or inconsistencies in the billets. Some commonly used tests for steel billet quality control are as follows: 1. Visual Inspection: This test involves visually examining the billets to identify surface defects like cracks, seams, or dents. It is a fundamental form of quality control and can be carried out quickly. 2. Dimensional Inspection: In this test, the dimensions of the billets are measured and compared to specified tolerances. This ensures that the billets fall within the required size range and meet the dimensional requirements for further processing. 3. Chemical Composition Analysis: This test involves analyzing the chemical composition of the steel billets to ensure they meet the specified requirements. It includes determining the percentages of different elements such as carbon, manganese, sulfur, and phosphorus. 4. Mechanical Testing: This test evaluates the mechanical properties of the steel billets, such as tensile strength, yield strength, and elongation. These properties are crucial in determining the billets' suitability for specific applications. 5. Ultrasonic Testing: This non-destructive testing method utilizes ultrasonic waves to detect internal defects like cracks or voids in the billets. It is particularly effective in identifying hidden defects that may not be visible during visual inspection. 6. Magnetic Particle Inspection: This test involves applying a magnetic field to the billets and then introducing magnetic particles to the surface. Any surface or near-surface defects will cause the particles to gather, indicating the presence of a defect. 7. Eddy Current Testing: This method uses electromagnetic induction to detect surface defects or variations in the billets' electrical conductivity. It is useful in identifying cracks, voids, or inconsistencies in the billets' microstructure. 8. Microstructure Analysis: This test involves examining the microstructure of the steel billets under a microscope to assess homogeneity, grain size, and the presence of any undesirable phases. It aids in determining the overall quality and suitability of the billets for further processing. These tests, alongside other specific tests, are an integral part of steel billet quality control. By conducting these tests, manufacturers can ensure that the billets meet the required standards and possess the necessary properties for their intended applications.
- Q: What are the different surface treatments for improved machinability in steel billets?
- There are several surface treatments that can be applied to steel billets to improve machinability. These treatments are designed to enhance the cutting performance and reduce tool wear during machining operations. Some common surface treatments for improved machinability in steel billets include: 1. Nitriding: Nitriding is a surface hardening treatment that uses nitrogen to create a hard and wear-resistant layer on the surface of the steel billet. This treatment improves the cutting performance and reduces tool wear during machining. 2. Carburizing: Carburizing is a process in which carbon is diffused into the surface of the steel billet to increase its hardness and wear resistance. This treatment improves machinability by creating a harder surface layer that can withstand higher cutting speeds and loads. 3. Coating: Various types of coatings can be applied to the surface of steel billets to reduce friction and improve machinability. Examples of such coatings include titanium nitride (TiN) and diamond-like carbon (DLC) coatings. These coatings reduce tool wear and improve cutting performance. 4. Shot peening: Shot peening is a surface treatment that involves bombarding the surface of the steel billet with small spherical particles. This treatment induces compressive stress on the surface, which improves fatigue resistance and reduces the likelihood of crack initiation during machining. 5. Cold working: Cold working is a process in which the steel billet is deformed at room temperature to increase its hardness and improve machinability. This treatment can be achieved through processes such as cold rolling or cold drawing. It is important to note that the choice of surface treatment for improved machinability in steel billets depends on various factors such as the specific steel alloy, desired surface properties, and the intended machining process. Therefore, it is essential to consider these factors and consult with experts to determine the most suitable surface treatment for a particular application.
- Q: What are the different sizes and shapes of steel billets?
- Steel billets come in a variety of sizes and shapes depending on the intended use and production method. Generally, steel billets are rectangular in shape with varying dimensions. Commonly used sizes range from 100mm x 100mm to 300mm x 300mm, with lengths typically falling between 3 and 12 meters. In addition to the standard rectangular shape, steel billets can also be produced in other shapes to cater to specific requirements. Some examples include round billets, square billets, and octagonal billets. Round billets, as the name suggests, have a circular cross-section, while square billets have four equal sides. Octagonal billets have eight sides, providing increased surface area and improved thermal conductivity. The choice of size and shape of steel billets depends on various factors such as the type of steel being produced, the desired strength and durability, and the manufacturing process. These factors influence the final product's properties and its ability to withstand specific applications, such as construction, automotive manufacturing, or machinery production.
- Q: How do steel billets contribute to the overall safety of a product?
- Steel billets contribute to the overall safety of a product by providing a strong and durable foundation. They are used as raw material in the manufacturing of various products, including construction materials, automotive parts, and machinery. The high strength and structural integrity of steel billets ensure that the end products are able to withstand heavy loads, extreme conditions, and potential hazards, thus enhancing safety and reliability.
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Square Steel Billet Q235 3SP Grade Prime Quality 1#
- 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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