Steel Square Bar Hot Rolled 5MM-28MM High Quality Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
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OKorder Financial Service
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Product Description:
OKorder is offering Steel Square Bar Hot Rolled 5MM-28MM High Quality Hot Rolledat 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:
1) Suitable for making various strong cutting tool abrasion resistance, impact resistance.
2) Used to produce all kinds of high hard and super hard saw blade, drill, tap, broach, gear hob and various kinds of milling cutter.
3) Used for advanced punching die, screw die, and the toughness and complicated shape of the punch, etc.
4) Is used for cold forging die and drawing mode, etc.
5) Recommended watchcase factory, screw factory and other cold stamping products industry use.
Product Advantages:
OKorder's Steel Square Bar Hot Rolled 5MM-28MM High Quality Hot Rolledare 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 Specifications:
Standard: GB,
-Grade: Q195 or equivalent.
-Chemical Composition:
Standard | Grade | Element (%) | ||||
GB | Q195 | 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 |
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.
Q2: How do you package the angle steel when shipping?
A2: All goods are packed in bundles with steel strips and shipped by container or break bulk.
Q3: The products are invoicing on theoritical weight or on actual weight?
A3: We can do it in both manners, according to the customers' request.
- Q: How is the surface condition of steel billets checked?
- The surface condition of steel billets is typically checked through visual inspection and various non-destructive testing methods. Visual inspection involves thoroughly examining the surface of the billets for any visible defects such as cracks, pits, dents, or scratches. This is usually done by trained inspectors who have a keen eye for detecting surface imperfections. In addition to visual inspection, various non-destructive testing techniques are employed to assess the surface condition of steel billets. These techniques include magnetic particle testing, liquid penetrant testing, ultrasonic testing, and eddy current testing. Magnetic particle testing involves applying a magnetic field to the billet's surface and then applying fine iron particles. If there are any surface defects, such as cracks or inclusions, the magnetic particles will be attracted to these areas and form visible indications. Liquid penetrant testing involves applying a liquid dye to the surface of the billet. The dye penetrates any surface defects, and after a certain period of time, excess dye is removed, and a developer is applied. The developer draws out the dye from any surface defects, making them visible and easy to detect. Ultrasonic testing utilizes high-frequency sound waves to detect surface and subsurface defects. A transducer is used to generate sound waves that penetrate the billet's surface. If there are any defects, such as cracks or voids, the sound waves will reflect back, and by analyzing the reflected waves, any surface or subsurface flaws can be identified. Eddy current testing involves passing an alternating current through a coil placed near the billet's surface. Any surface defects or variations in the material's conductivity will cause changes in the current flow, which can be detected and analyzed to determine the surface condition. These non-destructive testing methods provide accurate and reliable information about the surface condition of steel billets, helping to ensure their quality and integrity before further processing or usage.
- Q: How are steel billets used in the manufacturing of defense equipment?
- Due to their strength, durability, and versatility, steel billets are crucial in the production of defense equipment. Armored vehicles, tanks, and artillery require materials that can withstand extreme conditions and offer optimal protection. Steel billets, which have a square or rectangular cross-section, are semi-finished steel products used as the raw material for various defense equipment components. These billets are melted and cast into specific shapes that meet the exact requirements of each equipment part. After casting, steel billets undergo forging, heat treatment, and machining processes to create different defense equipment components such as armor plates, gun barrels, missile casings, and vehicle frames. The high strength and impact resistance of steel billets make them ideal for these applications, ensuring the equipment can endure ballistic impacts, blast forces, and other hostile conditions encountered in combat situations. Additionally, steel billets can be easily welded, allowing for the assembly of complex structures and the integration of different components. This flexibility enables the production of customized defense equipment tailored to fulfill specific military needs. Furthermore, steel billets possess corrosion resistance, which is vital for defense equipment exposed to harsh environmental conditions like saltwater or extreme temperatures. This resistance ensures the longevity and reliability of the equipment, reducing maintenance requirements and costs. In summary, steel billets play a crucial role in the manufacturing of defense equipment as they provide the necessary strength, durability, and flexibility for effective performance in combat situations. Their usage guarantees that defense forces have access to reliable and robust equipment, enhancing their operational capabilities and safeguarding the lives of military personnel.
- Q: Are steel billets used in the production of household appliances?
- Yes, steel billets are used in the production of household appliances. Steel billets are semi-finished steel products that are used as raw material in various industries, including the manufacturing of household appliances. These billets are heated and then rolled or forged into different shapes and sizes to create components such as sheets, plates, rods, and bars that are used in the production of appliances. Steel is a preferred choice for household appliances due to its strength, durability, and resistance to corrosion. It is commonly used in the production of refrigerators, washing machines, dishwashers, ovens, and many other household appliances.
- Q: What are the different packaging options available for steel billets?
- There are several packaging options available for steel billets, including wooden crates, steel frames, and bundles with steel straps. These packaging options provide protection during transportation and storage, ensuring the integrity and quality of the steel billets.
- Q: How are steel billets used in the manufacturing of industrial valves?
- Steel billets are used in the manufacturing of industrial valves as they serve as the raw material for forging and shaping various valve components, such as the body, bonnet, and stem. These billets are heated, and through a process called hot forging, they are transformed into the desired shape and size of the valve parts. The use of steel billets ensures the strength, durability, and integrity of the valves, making them suitable for demanding industrial applications.
- Q: What are the different types of cutting techniques used for steel billets?
- There are several different cutting techniques used for steel billets, including sawing, shearing, and flame cutting.
- Q: What is the typical impact strength of a steel billet?
- The typical impact strength of a steel billet depends on various factors such as the specific steel grade, heat treatment, and manufacturing process. However, steel billets generally possess high impact strength due to their toughness and resistance to fracture.
- Q: What are the main factors affecting the corrosion resistance of alloy steel billets?
- The main factors affecting the corrosion resistance of alloy steel billets are the composition of the alloy, the presence of impurities, the surface treatment, and the environmental conditions in which the billets are exposed to.
- Q: What are the key factors driving the demand for steel billets?
- The demand for steel billets is influenced by several key factors. Firstly, the construction industry plays a crucial role in driving this demand. Steel is widely utilized in construction projects for various purposes, including structural framing, reinforcement, and support systems. With the continuous growth of urbanization and increasing infrastructure projects, the demand for steel billets also rises. Additionally, the automotive industry significantly impacts the demand for steel billets. Steel is an essential material in the manufacturing of automobiles, such as car bodies, chassis, and engine components. As the global automotive industry expands and consumer demand for vehicles increases, the demand for steel billets also rises accordingly. Moreover, the energy sector contributes to the demand for steel billets, particularly in the production of oil and gas pipelines. Steel billets are used in the manufacturing of seamless pipes, which are vital for the transportation of oil and gas over long distances. As the demand for energy continues to grow, there is a corresponding need for steel billets to support pipeline construction. Furthermore, the manufacturing and machinery industries heavily rely on steel billets. Steel is a fundamental material used in various manufacturing processes, from industrial machinery to consumer products. As these industries grow and evolve, the demand for steel billets remains steady. Lastly, the demand for steel billets is significantly influenced by global economic growth and industrialization in emerging markets. Countries with rapidly developing economies, such as China and India, are major consumers of steel billets as they undergo massive infrastructure projects and industrial expansion. In conclusion, the demand for steel billets is primarily driven by the construction industry, automotive sector, energy sector, manufacturing industry, and global economic growth. These factors collectively contribute to the sustained and growing demand for steel billets in the market.
- Q: What are the different types of surface defects found in steel billets?
- Steel billets can contain various types of surface defects, which may arise from the manufacturing process or external factors. Common surface defects in steel billets include: 1. Scale: During heating and cooling, an oxide layer called scale can form on the billet's surface. This thin layer resembles rust and can impact the steel's quality and appearance. 2. Cracks: Improper cooling or excessive stress can cause cracks during manufacturing. These cracks may be longitudinal or transverse and weaken the billet's structural integrity. 3. Pits: Small depressions or cavities known as pits can develop on the billet's surface. They may result from impurities or corrosion. 4. Seam: Improperly joined sections during manufacturing can lead to a linear defect called a seam along the billet's surface. 5. Lamination: Lamination defects occur when layers or flakes detach from the billet's surface. This can be due to inadequate bonding between layers or improper rolling. 6. Inclusions: Non-metallic particles or impurities can become trapped within the steel billet during manufacturing. These inclusions can impact the steel's mechanical properties and overall quality. 7. Decarburization: Decarburization is a surface defect where the steel's carbon content is reduced, resulting in a softer and weaker surface layer. This defect may arise from improper heating or cooling processes. Detecting and addressing these surface defects in steel billets is crucial to ensure the quality and performance of the final steel products. Manufacturers employ various inspection methods and quality control measures during the manufacturing process to minimize the occurrence of these defects.
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Steel Square Bar Hot Rolled 5MM-28MM High Quality Hot Rolled
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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