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: How are steel billets used in the manufacturing of tooling?
- Tooling manufacturing relies heavily on steel billets as a vital element. Tooling involves the creation and design of tools utilized across different industries for the purpose of cutting, shaping, or forming materials. Steel billets are semi-finished goods formed by casting molten steel and subsequently hot rolling them into diverse sizes and shapes. In tooling manufacturing, steel billets serve as the fundamental material from which tools are shaped. Typically, these billets are crafted from high-quality steel alloys known for their exceptional strength, durability, and resistance to wear. The presence of these traits is crucial in tooling applications as they guarantee the longevity and performance of the tools. Once steel billets are acquired, they undergo a series of processes to transform them into tooling components. The initial step entails heating the billets to a specific temperature, often exceeding the recrystallization temperature. This elevation in temperature renders the steel more malleable and easier to shape. This process is referred to as hot working. Subsequent to heating, the steel billets are shaped into the desired form using a variety of techniques including forging, extrusion, or rolling. These methods enable the steel to be molded into intricate shapes such as dies or molds, which are commonly employed in tooling applications. The shaping process ensures that the tooling components possess the requisite dimensions, surface finish, and structural integrity to effectively fulfill their intended purpose. Once the tooling components are shaped, they may undergo additional heat treatments to further enhance their mechanical properties. Processes such as tempering, annealing, or hardening are frequently employed to modify the steel's hardness, toughness, and resistance to wear. These treatments augment the lifespan of the tooling and enhance its performance in demanding manufacturing environments. In summary, steel billets play a vital role in tooling manufacturing by serving as the initial material for shaping tooling components. The utilization of high-quality steel in billets provides the necessary strength and durability required for tooling applications. Through the process of shaping, heat treating, and finishing these billets, manufacturers are able to create tooling that meets the specific requirements of diverse industries, enabling efficient and precise cutting, shaping, and forming of materials.
- Q: What are the main applications of steel billets?
- The main applications of steel billets include the production of various steel products such as bars, rods, wire, pipes, and tubes. They are also commonly used in the automotive, construction, and manufacturing industries for the fabrication of structural components, machinery parts, and reinforcement materials.
- Q: the ear has burrs, is it the billet problem or the rolling mill problem, will it be caused by the blowhole of the billet?
- Do not worry, you can go to the hospital to check
- Q: Can steel billets be used in the production of appliances?
- Yes, steel billets can be used in the production of appliances. Steel billets are semi-finished products that are typically used for further processing into various shapes and sizes. In the case of appliances, steel billets can be used as the raw material for manufacturing components such as frames, panels, and other structural parts. Steel is a versatile and durable material that offers strength, stability, and resistance to corrosion, making it suitable for use in appliances that require robust construction. Additionally, steel can be easily molded and shaped to meet the specific design requirements of different appliances, making it a preferred choice in the manufacturing process.
- Q: How are steel billets used in the manufacturing of furniture and fixtures?
- Steel billets are an essential component in the manufacturing of furniture and fixtures due to their versatility and durability. These billets, which are semi-finished metal products, serve as the raw material for creating various components of furniture and fixtures. One common use of steel billets in furniture manufacturing is for creating frames and structural supports. The billets are shaped and cut into specific dimensions to form the framework of chairs, tables, and other pieces of furniture. The strength and rigidity of steel make it a preferred choice for ensuring the stability and longevity of these products. In addition to frames, steel billets are used for producing hardware components of furniture and fixtures. This includes hinges, locks, drawer slides, and other mechanisms that require strength and precision. By using steel billets, manufacturers can ensure that these components can withstand the wear and tear associated with daily use. Steel billets are also utilized in the production of decorative elements in furniture and fixtures. They can be molded, bent, or welded into various shapes and designs to add aesthetic appeal to the final product. These decorative elements may include trimmings, accents, or ornamental details that enhance the overall appearance of furniture and fixtures. Furthermore, steel billets are often used in the manufacturing of fixtures such as shelving units, display racks, and storage systems. The durability and load-bearing capacity of steel make it an ideal material for constructing these items, ensuring that they can withstand heavy loads and provide long-term support. In summary, steel billets play a crucial role in the manufacturing of furniture and fixtures. They are used to create frames, hardware components, decorative elements, and various types of fixtures. Their strength, durability, and versatility make them an essential raw material for producing high-quality and long-lasting furniture and fixtures.
- Q: What are the different types of steel billet shearing techniques?
- There are several different types of steel billet shearing techniques used in the industry. These techniques vary based on the specific requirements of the cutting process and the desired end product. Some of the commonly used steel billet shearing techniques include: 1. Guillotine Shearing: This technique involves using a guillotine-style shear blade to cut through the steel billet. The blade is lowered onto the billet, applying a shearing force that slices through the material. 2. Circular Shearing: In this technique, a circular shear blade is used to cut through the billet. The blade rotates at a high speed, applying a cutting force as it comes into contact with the billet. 3. Band Saw Shearing: A band saw is used to cut through the steel billet in this technique. The saw blade, made of a continuous band of teeth, moves in a continuous loop, slicing through the billet as it passes through. 4. Rotary Shearing: This technique involves using a rotary shear to cut through the billet. The shear consists of a set of rotating blades that grip the billet and cut through it as it moves through the machine. 5. Flame Cutting: Also known as oxyfuel cutting, this technique uses a high-temperature flame to melt and cut through the steel billet. A stream of oxygen is directed onto the billet, creating a chemical reaction that allows for the cutting process. 6. Plasma Cutting: Plasma cutting uses a high-velocity jet of ionized gas to melt and cut through the steel billet. The gas is heated to an extremely high temperature and directed onto the billet, resulting in a clean and precise cut. Each of these steel billet shearing techniques has its own advantages and limitations, depending on factors such as the size and thickness of the billet, the required accuracy of the cut, and the desired speed of the cutting process.
- Q: What are the advantages of using steel billets over other materials?
- Using steel billets instead of other materials has several advantages. To begin with, steel billets possess remarkable strength and durability. Steel is renowned for its high tensile strength, making it perfect for applications that require bearing heavy loads. This property enables steel billets to withstand substantial weights and resist deformation, ensuring the integrity and longevity of structures. Additionally, steel billets offer exceptional machinability and formability. Steel is an adaptable material that can be easily shaped and molded into various forms, allowing for customization and flexibility in design. This makes it suitable for a wide range of applications in industries such as construction, automotive, and manufacturing. Moreover, steel billets exhibit superior resistance to heat and corrosion. Steel inherently resists heat and can endure high temperatures without compromising its structural properties. This makes it suitable for applications that involve exposure to extreme temperatures, such as in the aerospace and energy sectors. Furthermore, steel possesses excellent corrosion resistance, guaranteeing its longevity and minimizing maintenance costs. Another advantage of steel billets is their recyclability. Steel is one of the most recycled materials globally, boasting a high recycling rate. This not only reduces the environmental impact of steel production but also makes it a more sustainable choice. Moreover, the recycling process does not compromise the quality or performance of steel, allowing for continuous reuse. Lastly, steel billets offer cost-effectiveness. Despite their numerous advantages, steel billets remain a cost-effective material in comparison to other alternatives. Their widespread availability, ease of manufacturing, and recyclability contribute to their affordability. Furthermore, the durability and low maintenance requirements of steel billets result in long-term cost savings for users. In conclusion, the utilization of steel billets presents various advantages in terms of exceptional strength, machinability, heat and corrosion resistance, recyclability, and cost-effectiveness. These qualities establish steel billets as the preferred choice in various industries, ensuring reliable and long-lasting performance.
- Q: How are steel billets used in the production of railway infrastructure?
- Steel billets are used in the production of railway infrastructure as they serve as the starting material for various components like rails, sleepers, and fasteners. These billets are heated and shaped into the required forms through processes like rolling or forging. Once formed, they are further processed and assembled to create durable and reliable railway tracks, bridges, and other structures, ensuring safe and efficient transportation.
- Q: How are steel billets used in the manufacturing of hydraulic systems?
- The manufacturing of hydraulic systems relies on steel billets, which serve as the raw material for a variety of components. To withstand the high pressures and forces involved, hydraulic systems require sturdy and long-lasting parts. To shape the steel billets into the desired form, they are first heated and then processed through methods like hot rolling or extrusion. These processed steel billets are then further transformed into different hydraulic system components, including cylinders, pistons, valves, and fittings. The utilization of steel billets offers several advantages in the manufacturing of hydraulic systems. Firstly, steel is well-known for its strength and toughness, making it ideal for enduring the extreme pressures and forces experienced in hydraulic systems. Additionally, steel boasts excellent resistance to corrosion, which is essential given the exposure to fluids and harsh environments in hydraulic systems. Moreover, steel billets can be easily machined and welded, enabling the creation of intricate and customized hydraulic components. The versatility of steel billets allows for the production of various shapes and sizes required for different applications within hydraulic systems. Overall, steel billets play a crucial role in the manufacturing of hydraulic systems by providing a resilient, durable, and adaptable material for the production of essential components. Their use guarantees the dependability and efficiency of hydraulic systems, enabling them to perform their intended functions across numerous industries such as construction, manufacturing, and transportation.
- Q: What are the different methods of surface inspection for steel billets?
- There are several methods of surface inspection for steel billets, which are used to identify any defects or irregularities on the surface. These methods include visual inspection, magnetic particle inspection, liquid penetrant inspection, ultrasonic inspection, and eddy current inspection. Visual inspection is the simplest and most commonly used method, where inspectors visually examine the surface of the billets for any visible defects such as cracks, pits, or surface irregularities. This method relies on the expertise and experience of the inspector. Magnetic particle inspection involves the use of magnetic fields and magnetic particles to detect surface and near-surface defects. A magnetic field is applied to the steel billet, and magnetic particles are applied to the surface. If there is a defect, the magnetic particles will be attracted to it, making the defect visible under proper lighting. Liquid penetrant inspection is another method used to detect surface defects. In this method, a liquid penetrant is applied to the surface of the billet. The penetrant seeps into any surface defects, and after a certain amount of time, excess penetrant is removed. A developer is then applied, which draws the penetrant out of the defects, making them visible. Ultrasonic inspection involves the use of high-frequency sound waves to detect internal and surface defects. A transducer is used to emit sound waves into the billet, and the reflected waves are analyzed to identify any defects. This method can detect defects such as cracks, voids, and inclusions. Eddy current inspection is a non-destructive testing method that uses electromagnetic induction to detect surface defects. A probe is moved over the surface of the billet, and an alternating current is passed through it. Any surface irregularities or defects will disrupt the flow of current, which can be detected and analyzed. Each of these methods has its own advantages and limitations, and the choice of method depends on the specific requirements and constraints of the inspection process. By utilizing these different methods, manufacturers can ensure the quality and reliability of steel billets before they are further processed or used in various applications.
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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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