Square Steel Billet Q235 Grade Prime Quality 4#
- 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 Grade Prime Quality 4#
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 Grade Prime Quality 4#
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 Grade Prime Quality 4#
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 Grade Prime Quality 4#
| 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 Grade Prime Quality 4#
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 main factors affecting the fatigue strength of alloy steel billets?
- The main factors affecting the fatigue strength of alloy steel billets include the composition of the alloy, the presence of impurities or defects, the heat treatment process, surface conditions, and the presence of residual stresses. Additionally, the applied load, frequency, and environmental conditions can also influence the fatigue strength of alloy steel billets.
- Q:What are the different types of surface treatment methods used for steel billets?
- Some of the different types of surface treatment methods used for steel billets include pickling, shot blasting, and galvanizing. Pickling involves immersing the billets in an acid solution to remove scale and impurities. Shot blasting uses high-speed particles to clean and roughen the surface of the billets. Galvanizing involves coating the billets with a layer of zinc to protect against corrosion. Other methods, such as painting or powder coating, may also be used for specific applications.
- Q:What are the main factors affecting the thermal expansion of steel billets?
- The main factors affecting the thermal expansion of steel billets include temperature, composition of the steel, and the grain structure of the material.
- Q:What are the market trends and growth prospects for steel billets?
- Steel billets play a vital role in the steel industry as they serve as the primary material for various downstream applications. The growth and market trends of steel billets are greatly influenced by factors like global economic growth, infrastructure development, and the demand for steel in different sectors. One notable market trend for steel billets is the increasing demand from the construction industry. With the rapid urbanization and infrastructure development in emerging economies, there is a rising need for steel-intensive construction projects. Steel billets are extensively used in the construction of bridges, buildings, and other infrastructure projects, which drives the demand for this product. Another market trend is the growing demand for steel billets in the automotive industry. The automotive sector is a major consumer of steel, and as the industry shifts towards lightweight and high-strength materials, the demand for steel billets is expected to increase. Steel billets are used in the production of various automotive components, including engine parts, chassis, and suspension systems. Furthermore, the increasing focus on renewable energy sources such as wind and solar power is expected to drive the demand for steel billets. Steel components are required for wind turbines and solar panel structures, and as renewable energy projects expand globally, the demand for steel billets is likely to experience significant growth. In terms of growth prospects, the steel billets market is expected to witness steady growth in the coming years. The Asia-Pacific region, particularly China and India, is projected to dominate the market due to their robust construction and infrastructure sectors. These countries have extensive urbanization projects and ongoing infrastructure development plans, which will contribute to the demand for steel billets. Additionally, the recovery of the global economy after the COVID-19 pandemic is expected to boost the demand for steel billets. As economies bounce back and industrial activities regain momentum, the demand for steel in various sectors, including construction, automotive, and energy, will increase, positively impacting the steel billets market. However, it is important to note that market trends and growth prospects for steel billets can be influenced by factors like fluctuations in raw material prices, trade policies, and environmental regulations. Furthermore, the increasing adoption of alternative materials such as aluminum and composites in certain applications may pose a challenge to the growth of the steel billets market. In conclusion, the market trends for steel billets are driven by the demand from the construction, automotive, and renewable energy sectors. The growth prospects for this market are promising, particularly in the Asia-Pacific region as economies recover from the pandemic and infrastructure projects gain momentum. Nevertheless, challenges such as fluctuations in raw material prices and competition from alternative materials should also be taken into consideration.
- Q:What is the process of heat treatment for steel billets?
- The process of heat treatment for steel billets involves subjecting the billets to controlled heating and cooling cycles to alter their mechanical properties. This process is essential in increasing the hardness, strength, and toughness of the steel billets, making them suitable for various industrial applications. The heat treatment process begins with the heating stage, where the steel billets are heated to a specific temperature range. This temperature is typically above the critical point of the steel, which allows for the transformation of its microstructure. The heating can be done using various methods, including electric furnaces, gas furnaces, or induction heating. Once the desired temperature is reached, the billets are held at that temperature for a specified amount of time to ensure the uniformity of the heat distribution throughout the billet. This stage is known as soaking or holding, and it allows for the homogenization of the microstructure. After the soaking stage, the billets are subjected to cooling, which is equally important as the heating stage. The cooling rate is carefully controlled to achieve the desired properties. The cooling can be done through various methods, such as air cooling, oil quenching, or water quenching. Each method provides different cooling rates and results in different material properties. During the cooling stage, the steel undergoes a phase transformation, which results in the formation of different microstructures. For example, rapid cooling through water quenching can lead to the formation of martensite, a hard and brittle microstructure, while slower cooling can result in the formation of pearlite, a softer and ductile microstructure. Once the cooling is complete, the steel billets are often subjected to additional processes such as tempering or annealing. Tempering involves reheating the steel to a specific temperature and holding it there for a certain period, followed by controlled cooling. This process reduces the brittleness of the steel and improves its toughness and ductility. Annealing is another heat treatment process that involves heating the steel to a specific temperature and then slowly cooling it. This process is used to relieve internal stresses, refine the grain structure, and enhance the machinability of the steel. Overall, the process of heat treatment for steel billets involves carefully controlled heating, soaking, cooling, and sometimes additional processes to achieve the desired mechanical properties. This process is crucial in enhancing the performance and durability of steel billets, making them suitable for various industrial applications such as construction, automotive, and machinery.
- Q:What is the role of steel billets in the manufacturing of industrial boilers?
- Steel billets play a crucial role in the manufacturing of industrial boilers as they serve as the raw material from which various boiler components are fabricated. These billets are heated and formed into specific shapes and sizes to create boiler tubes, plates, and other structural elements. The high strength and thermal conductivity of steel make it an ideal choice for withstanding the high temperatures and pressures involved in boiler operations. Ultimately, steel billets provide the foundation for the construction and functionality of industrial boilers, ensuring their durability and efficiency in various industrial applications.
- Q:What are the common surface treatments for steel billets?
- Steel billets can undergo several surface treatments to improve performance and protect against corrosion. Common treatments include: 1. Hot-dip galvanizing: Immersing billets in molten zinc creates a protective coating, offering excellent corrosion resistance for outdoor applications. 2. Electroplating: Passing an electric current through a metal ion solution deposits metals like nickel, chromium, or zinc onto billet surfaces, providing desired properties and appearance. 3. Powder coating: Spraying dry powder onto billet surfaces and heating it forms a durable, chemical-resistant coating. This method offers various color options and UV radiation protection. 4. Phosphating: Applying a phosphate coating improves corrosion resistance and promotes paint adhesion, suitable for subsequent painting or powder coating. 5. Blackening: Applying a chemical solution creates a black oxide layer, enhancing appearance and providing mild corrosion resistance for decorative purposes. 6. Passivation: Treating billets with an acid solution removes contaminants and creates a passive oxide layer, improving corrosion resistance, especially for stainless steel billets. These treatments are widely used in industries to enhance billet properties and lifespan. The choice depends on specific requirements, including application, appearance, and environmental conditions.
- Q:How do steel billets contribute to the manufacturing of telecommunications equipment?
- Steel billets are an essential raw material in the manufacturing of telecommunications equipment. They are used to form various components such as frames, housings, brackets, and mounting structures. The strength, durability, and versatility of steel make it an ideal choice for these applications, providing the necessary support and protection for sensitive electronic components. Additionally, steel billets can be easily machined, welded, and coated, allowing for precise customization and finishing required in telecommunications equipment.
- Q:What is the role of steel billets in the production of railway wagons?
- The role of steel billets in the production of railway wagons is crucial as they serve as the primary raw material for manufacturing various components of the wagons. Steel billets are essentially semi-finished steel products that are cast into a specific shape, typically a square or a rectangle, and are used as the starting point for further processing. In the production of railway wagons, steel billets are first heated to a high temperature and then passed through a series of rolling mills to shape them into desired forms such as beams, plates, angles, channels, or other structural components. These components form the structural framework of the wagons, providing strength, durability, and stability. Steel billets are preferred in this process due to their exceptional strength and ability to withstand heavy loads, making them ideal for railway applications. They possess excellent mechanical properties, including high tensile strength, which ensures the wagons can endure the stresses and strains experienced during operation. Moreover, the use of steel billets allows for flexibility in design and customization, as they can be easily shaped and formed according to specific requirements. This adaptability enables manufacturers to produce railway wagons of various sizes, configurations, and capacities, catering to different transportation needs. Furthermore, steel billets are highly resistant to corrosion, which is particularly important for railway wagons exposed to harsh environmental conditions, such as rain, snow, and humidity. This resistance helps to maintain the structural integrity of the wagons, preventing premature deterioration and ensuring their long service life. Overall, the role of steel billets in the production of railway wagons is indispensable. They provide the necessary strength, durability, and customization options required for manufacturing robust and reliable wagons that can withstand the demanding conditions of railway transportation.
- Q:How are steel billets different from steel ingots?
- Steel billets and steel ingots are both semi-finished steel products, but they differ in terms of their shape, size, and manufacturing process. Firstly, the shape of steel billets and steel ingots is different. Steel billets are typically square or rectangular in shape, with specific dimensions that are determined by the production requirements. On the other hand, steel ingots have a more irregular shape, often resembling a large block or loaf. The shape of the ingot is determined by the mold in which it is cast. Secondly, the size of steel billets and steel ingots also varies. Steel billets are generally smaller in size compared to ingots. Billets are typically produced in smaller cross-sectional areas and lengths, making them more suitable for further processing. Steel ingots, on the other hand, are larger and heavier, as they are cast in molds that can accommodate a greater volume of molten steel. Lastly, the manufacturing process for steel billets and steel ingots differs. Steel billets are typically produced through a process called continuous casting, where molten steel is poured into a water-cooled mold to solidify into the desired shape. This process allows for a more controlled and efficient production of billets. On the other hand, steel ingots are generally produced through casting in open or closed molds, where the molten steel is poured and left to solidify. This process is often slower and less precise compared to continuous casting. In summary, steel billets and steel ingots differ in terms of their shape, size, and manufacturing process. Billets are square or rectangular in shape, smaller in size, and produced through continuous casting, while ingots have an irregular shape, larger in size, and produced through casting in molds. Both products serve as essential raw materials for the production of various steel products.
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Square Steel Billet Q235 Grade Prime Quality 4#
- 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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