Hot Rolled Square Bar with High Quality of Grade Q235，Q275
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 3000 m.t.
- Supply Capability:
- 100000 m.t./month
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Product Description:
OKorder is offering Hot Rolled Square Bar with High Quality of Grade Q235，Q275 at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
Hot Rolled Square Bar with High Quality of Grade Q235，Q275 are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's Hot Rolled Square Bar with High Quality of Grade Q235，Q275 are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Description:
-Standard: Q235 Q275
--Chemical Composition:
Standard | Grade | Element (%) | ||||
GB | Q235/275 | C | Mn | S | P | Si |
0.06~0.12 | 0.25~0.50 | ≤0.050 | ≤0.045 | ≤0.30 | ||
Measures of HR Square Bar (small measures):
(Section of HR Square Bar)
-Length of a side and Theoretical weight of Square Bar.
Length of a side(mm) | Theoretical weight(kg/m) | Length of a side(mm) | Theoretical weight(kg/m) |
7 | 0.385 | 22 | 3.80 |
8 | 0.502 | 24 | 4.52 |
9 | 0.636 | 25 | 4.91 |
10 | 0.785 | 26 | 5.30 |
11 | 0.950 | 28 | 6.15 |
12 | 1.13 | 30 | 7.06 |
13 | 1.33 | 32 | 8.04 |
14 | 1.54 | 34 | 9.07 |
15 | 1.77 | 36 | 10.17 |
16 | 2.01 | 38 | 11.24 |
17 | 2.27 | 40 | 12.56 |
18 | 2.54 | 42 | 13.85 |
19 | 2.82 | 45 | 15.90 |
20 | 3.14 | 48 | 18.09 |
21 | 3.46 | 50 | 19.63 |
Notes:
1, The theoretical weights in the list, base on the density of 7.85 g/cm3.
2, Formula for theoretical weight of Square bar: (length of a side)2 * 0.00785
3, The numbers with ＊mean that they are not regular or we don’t offer them.
-Regular length of Square Bar:
Steel | Length of a side (mm) | Length of steel (m) |
Normal steel | < 25 | 4~10 |
> 25 | 3~9 | |
Steel of high quality | All measure | 2~6 |
Tool steel >75 | 1~6 |
Usage/Applications of HR Square Bar:
-The Square Bar is normally used as structure steel.
-Row material for other structure steel like steel angles, channels, I-beams, H-beams, etc…
Packaging & Delivery of HR Square Bar:
-Packing Detail: The products can be packed in bundles by steel wires.
-Marks: We make tag marks and color marks. The tag marks with white background and red company logo will be tied up to each bundle of the products. The information is usually including basic information of products and company and other information requested by customers. As for color marks, we will paint both ends of bundles to make sure that it will be more convenient for customers to distinguish them from other products.
-Delivery Detail: 30~45 working days after receive buyer’s T.T. or L/C.
Transportation:
-The products can be delivered by bulk vessel or by container. As for container, products with the length of 6m will be loaded in 20’ container, with 9m or 12m, in 40’ container.
-The maximum quantity of loading of container is 25 tons.
-The products are usually transported to the nearest port from the production place.
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
Q4: What makes stainless steel stainless?
A4: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
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- Q:Are steel billets used in the renewable energy sector?
- Yes, steel billets are used in the renewable energy sector. Steel is a versatile material that is used in the construction of various renewable energy infrastructure components. For example, steel billets are commonly used in the manufacturing of wind turbine towers, which are essential for the generation of wind energy. Steel billets provide the necessary strength and durability to support the enormous weight and withstand the harsh environmental conditions that wind turbines are exposed to. Additionally, steel billets are also utilized in the construction of solar power systems, such as solar panel mounting structures and support frames. These structures require a strong and reliable material like steel to ensure the stability and longevity of the solar panels. Therefore, steel billets play a crucial role in supporting and facilitating the growth of the renewable energy sector.
- Q:How are steel billets used in the production of rebar?
- Steel billets are used as the primary raw material in the production of rebar. These billets are heated and then passed through a series of rollers to shape them into long, thin rods. The resulting rebar is widely used in construction and infrastructure projects to reinforce concrete structures and provide added strength and durability.
- Q:How are steel billets used in the manufacturing of packaging materials?
- Steel billets are often used in the manufacturing of packaging materials due to their durability and strength. These billets, which are essentially semi-finished steel products, serve as the raw material for various packaging products such as cans, drums, and containers. To manufacture packaging materials, the steel billets are first heated to a specific temperature, allowing them to be easily shaped and molded. They are then passed through a series of rolling mills, where they are flattened and elongated into the desired shape and size. This process, known as hot rolling, helps to improve the mechanical properties of the steel and increase its strength. Once the steel billets have been transformed into the desired shape, they are further processed and coated to enhance their corrosion resistance and provide a smooth surface finish. This coating can be a layer of tin, lacquer, or polymer, depending on the specific packaging requirements. The finished steel packaging materials offer a wide range of advantages. They are strong and durable, providing excellent protection to the products they contain. They are also impermeable to moisture, gases, and light, ensuring the preservation and freshness of the packaged goods. Additionally, steel packaging materials are 100% recyclable, making them an environmentally friendly choice for packaging solutions. In summary, steel billets are an essential component in the manufacturing of packaging materials. By undergoing various shaping, rolling, and coating processes, these billets are transformed into strong and durable packaging products that provide excellent protection and preservation for a wide range of goods.
- Q:What are the different types of cleaning methods used for steel billets?
- There are several different types of cleaning methods used for steel billets. These include mechanical cleaning methods such as shot blasting or wire brushing, chemical cleaning methods like pickling or acid cleaning, and thermal cleaning methods such as annealing or heat treatment. Each method is chosen based on the specific requirements and condition of the steel billets to ensure effective and efficient cleaning.
- Q:What is the typical elongation of a steel billet?
- The typical elongation of a steel billet can vary depending on several factors such as the specific grade of steel, the manufacturing process, and the intended application. However, in general, the elongation of a steel billet is typically around 20% to 30%. Elongation is a measure of a material's ability to deform or stretch before breaking. It is usually expressed as a percentage and is determined by conducting a tensile test on a sample of the material. During this test, the sample is subjected to gradually increasing tensile forces until it eventually fractures. The amount of elongation is measured by comparing the original length of the sample to its final length at the point of fracture. Steel is known for its high tensile strength, which means it can withstand significant forces without breaking. However, it also exhibits a certain degree of ductility, allowing it to elongate before reaching its breaking point. The typical elongation of a steel billet falls within the range mentioned above, indicating that it can stretch by 20% to 30% of its original length before fracturing. It's important to note that different grades of steel can have varying elongation properties. For example, higher carbon steels tend to have lower elongation values compared to low carbon or mild steels. Additionally, the manufacturing process can also affect the elongation of a steel billet. Processes such as hot rolling or cold drawing can modify the microstructure of the steel, thereby influencing its elongation characteristics. Ultimately, the specific elongation requirements for a steel billet will depend on the intended application. Certain industries, such as construction or automotive, may require steel with higher elongation values to ensure the material can withstand the stresses and strains it will encounter during use. Conversely, other applications may prioritize higher tensile strength over elongation.
- Q:How are steel billets used in the production of agricultural harvesting equipment?
- Steel billets are a crucial component in the production of agricultural harvesting equipment due to their strength, durability, and versatility. These billets are typically used to create the main structural framework of various types of agricultural machinery, such as combine harvesters, threshers, and balers. One of the primary applications of steel billets in the production of agricultural harvesting equipment is in the construction of the machine's frame. The frame serves as the backbone of the equipment, providing stability and support for all other components. Steel billets are ideal for this purpose as they have high tensile strength, allowing them to withstand the heavy loads and stresses encountered during harvesting operations. Additionally, steel billets are also utilized to manufacture various critical components of agricultural machinery. For example, they are often used to produce cutting blades, augers, and conveyors, which are essential for efficiently harvesting and processing crops. Steel's excellent wear resistance and toughness make it an ideal material for these components, as they need to withstand the abrasion and impact caused by contact with crops and other debris. Furthermore, steel billets are commonly employed in the manufacturing of hoppers, chutes, and other storage and transportation systems within agricultural harvesting equipment. These components are responsible for collecting, sorting, and transferring harvested crops, and therefore need to be robust and reliable. Steel billets provide the necessary strength and rigidity to ensure the efficient handling and movement of agricultural products. In summary, steel billets play a vital role in the production of agricultural harvesting equipment. Their strength, durability, and versatility make them indispensable for creating the main structural framework, critical components, and storage systems of these machines. By utilizing steel billets, manufacturers can ensure the production of reliable and efficient agricultural machinery that can withstand the demanding conditions of harvesting operations.
- Q:What are the different joining methods used for steel billets?
- There are several different joining methods used for steel billets, depending on the specific application and desired outcome. Some of the most common joining methods include welding, brazing, and adhesive bonding. Welding is a widely used joining method for steel billets. It involves melting the edges of the billets and fusing them together, either with or without the use of a filler material. Welding can be done through various processes such as arc welding, resistance welding, or gas welding. It offers strong and durable joints, but the process can be complex and may require skilled operators. Brazing is another joining method used for steel billets. It involves heating the billets and melting a filler metal with a lower melting point, which is then allowed to flow between the joint surfaces and solidify. Brazing offers good strength and is often used for joining billets that are not easily weldable due to their composition or thickness. Adhesive bonding is a non-mechanical joining method that uses adhesives to bond the steel billets together. Adhesive bonding offers several advantages, including lightweight joints, uniform distribution of stress, and the ability to join dissimilar materials. It is also a versatile method that can accommodate various shapes and sizes of billets. However, adhesive bonding may not provide the same level of strength as welding or brazing, and it can be sensitive to environmental factors such as temperature and humidity. Other joining methods used for steel billets include mechanical fastening, such as bolting or riveting, and thermal joining methods like diffusion bonding or friction welding. Each joining method has its own advantages and limitations, and the choice of method depends on factors such as the specific application requirements, material properties, and cost considerations.
- Q:How are steel billets used in the production of wind turbine towers?
- Steel billets are used in the production of wind turbine towers as they serve as the primary raw material. These billets are heated and then shaped into the required cylindrical or conical form, which is essential for the structural integrity of the tower. The billets are then welded together to form the tower sections, which are further assembled and erected to support the wind turbine components.
- Q:What are the specifications for tool steel billets used in the tooling industry?
- The tooling industry typically requires tool steel billets to meet specific specifications in order to achieve optimal performance and durability. These specifications encompass various aspects: 1. Alloy Composition: Tool steel billets are composed of specific alloys that provide high hardness, wear resistance, and toughness. Common elements in tool steel include carbon, chromium, vanadium, molybdenum, and tungsten. 2. Hardness: Heat treatment is applied to tool steel billets to attain the desired hardness level, often measured using Rockwell hardness (HRC). The required hardness depends on the tool's application and type. 3. Size and Shape: Tool steel billets are available in different sizes and shapes, such as rectangular or round bars, to accommodate diverse tooling requirements. The dimensions of the billets are selected based on the size and complexity of the intended tool. 4. Surface Finish: Tool steel billets must possess a smooth and clean surface finish to facilitate machining and reduce the risk of defects or flaws in the final tooling product. 5. Tolerance: Billets should be manufactured with precise dimensional tolerances to ensure consistency during the machining and tooling processes. This aids in achieving accurate tool dimensions and minimizing waste. 6. Homogeneity: Tool steel billets must exhibit uniform chemical composition and microstructure throughout to ensure consistent mechanical properties and performance in the final tooling products. 7. Heat Treatment Properties: Billets should possess favorable heat treatment properties, including the ability to be hardened and tempered. This enhances their strength, toughness, and wear resistance. 8. Machinability: Tool steel billets should have good machinability to enable efficient shaping and forming processes during tool manufacturing. This encompasses considerations for cutting forces, chip formation, and surface finish. It is important to note that the specific specifications for tool steel billets may vary depending on the application and type of tool being produced. Manufacturers and tooling experts often collaborate closely to determine the most suitable tool steel specifications for each specific tooling requirement.
- Q:Can steel billets be used for marine applications?
- Yes, steel billets can be used for marine applications. Steel billets are commonly used in the construction of ships, offshore structures, and marine equipment due to their high strength, durability, and corrosion resistance properties. They provide the necessary strength to withstand the harsh marine environment and can be shaped and welded to meet specific design requirements.
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Hot Rolled Square Bar with High Quality of Grade Q235，Q275
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 3000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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