Round Bar Q235 3MM-25MM High Quality Hot Rolled GB
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000000 m.t./month
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OKorder is offering high quality Hot Rolled Steel I-Beams 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:
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 I-Beams 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 Specifications:
1. Grade: GB, JIS, ASTM, EN
2. Grade: Q235, SS400, A36, S235JR
3. Diameter and mass: As below
Diameter | Mass | Diameter | Mass | Diameter | Mass |
(mm) | (kg/m) | (mm) | (kg/m) | (mm) | (kg/m) |
6 | 0.22 | 22 | 2.98 | 53 | 17.30 |
7 | 0.30 | 24 | 3.55 | 56 | 19.30 |
8 | 0.40 | 25 | 3.85 | 60 | 22.20 |
9 | 0.50 | 26 | 4.17 | 63 | 24.50 |
10 | 0.62 | 28 | 4.83 | 65 | 26.00 |
11 | 0.75 | 30 | 5.55 | 70 | 30.20 |
12 | 0.89 | 32 | 6.31 | 75 | 34.70 |
13 | 1.04 | 34 | 7.13 | 80 | 39.50 |
14 | 1.21 | 36 | 7.99 | 85 | 44.50 |
15 | 1.39 | 38 | 8.90 | 90 | 49.90 |
16 | 1.58 | 40 | 9.86 | 95 | 55.60 |
17 | 1.78 | 42 | 10.90 | 100 | 61.70 |
18 | 2.00 | 45 | 12.50 | 120 | 88.85 |
19 | 2.23 | 48 | 14.20 | 140 | 120.93 |
20 | 2.47 | 50 | 15.40 | 150 | 138.82 |
4. Material: Mild Steel
5. Heat treatment of high quality steel:
Fire: Isothermal annealing temperature is 800 ~ 880 °C, with 10 ~ 20 °C, the furnace cooling to about 600 °C, hardness above HB269.
Preheat temperature: 730-730 °C
Quenching temperature: 1190-1210 °C
Tempering temperature: 540-595 °C
Cold drawn, hardness 285 HBS
Cold drawn after annealing condition, hardness 277 HBS
Quenching methods: oil quenching, air cooling or salt bath quenching
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 we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
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.
- Q: What is the resistance to fatigue of a steel round bar?
- The resistance to fatigue of a steel round bar refers to its ability to withstand repeated loading and unloading cycles without experiencing failure or deformation. Fatigue resistance is an essential mechanical property for materials used in various applications, including structural components, machinery, and automotive parts. The resistance to fatigue of a steel round bar depends on several factors, including the specific grade of steel, its microstructure, surface condition, and the applied loading conditions. Steel is generally known for its excellent fatigue resistance compared to other materials, which is one of the reasons for its widespread use in various industries. Steel's resistance to fatigue can be attributed to its high strength, ductility, and the presence of various alloying elements. These factors allow steel to withstand cyclic loading without undergoing significant deformation or weakening. Additionally, the microstructure of the steel, such as grain size and distribution, also plays a crucial role in determining its fatigue resistance. To evaluate the fatigue resistance of a steel round bar, engineers typically perform fatigue tests, such as the rotating beam or axial loading tests. These tests involve subjecting the steel bar to controlled cyclic loading and measuring the number of cycles it can withstand before failure occurs. The results of these tests are used to determine the fatigue strength or fatigue limit of the steel, which represents the maximum stress level it can endure indefinitely without failure. It is important to note that the fatigue resistance of a steel round bar can vary depending on factors such as surface defects, stress concentration, and environmental conditions. Therefore, proper design considerations, such as surface treatments, stress reduction techniques, and appropriate loading specifications, are essential to ensure the desired fatigue performance of the steel round bar in specific applications.
- Q: Can steel round bars be used for making conveyor belts or rollers?
- Yes, steel round bars can indeed be used for making conveyor belts or rollers. Steel is a strong and durable material with excellent tensile strength, making it suitable for applications where heavy loads or continuous movement is involved. The round bars can be used to create the structural framework or support system of the conveyor belt or roller, providing stability and rigidity. Additionally, steel is resistant to wear and tear, and can withstand high temperatures, making it ideal for industrial settings. However, it's important to consider other factors such as the specific requirements of the conveyor system, the type of material being transported, and any potential corrosion issues that may arise.
- Q: Are steel round bars suitable for use in the automotive industry?
- Yes, steel round bars are suitable for use in the automotive industry. Steel round bars offer several advantages that make them ideal for automotive applications. Firstly, steel round bars provide excellent strength and durability, which are crucial for automotive components that need to withstand high levels of stress and impact. The high tensile strength of steel ensures that these components can handle the demanding conditions of the automotive industry, such as heavy loads and harsh environments. Secondly, steel round bars have good machinability, allowing them to be easily shaped and fabricated into various automotive parts. This versatility is essential for creating components with complex geometries, such as crankshafts, axles, and suspension components. Furthermore, steel round bars offer superior dimensional stability, ensuring that automotive parts maintain their shape and performance over time. This is particularly important for critical components that need to meet precise specifications and tolerances. Additionally, steel round bars have excellent heat resistance, making them suitable for applications that involve high temperatures, such as engine components and exhaust systems. The thermal stability of steel ensures that these parts can operate efficiently and reliably under extreme heat conditions. Moreover, steel is readily available and cost-effective compared to other materials, making it an attractive choice for the automotive industry. The abundance of steel resources and the well-established manufacturing processes contribute to its affordability, making it a practical option for mass production. In conclusion, steel round bars are highly suitable for use in the automotive industry due to their strength, durability, machinability, dimensional stability, heat resistance, and cost-effectiveness. These qualities make steel round bars an excellent choice for various automotive components, contributing to the overall performance, safety, and longevity of vehicles.
- Q: How many grades of steel are round steel?
- There are many kinds of steel. They can be divided into three categories: non alloy steel, low alloy steel and alloy steel by chemical composition. Ordinary steels are mostly unalloyed steels. Their quality is divided according to the impurities in the steel, namely ordinary quality carbon steel, high quality carbon steel and special quality carbon steel three kinds. Not by category.
- Q: What is the difference between a turned and a polished steel round bar?
- A turned steel round bar is machined to achieve a specific diameter and surface finish, while a polished steel round bar undergoes additional processing to enhance its surface smoothness and appearance.
- Q: What is the difference between a centerless ground and a polished steel round bar?
- A centerless ground steel round bar and a polished steel round bar are both types of steel bars that have undergone different finishing processes, resulting in distinct qualities and characteristics. A centerless ground steel round bar is produced by grinding the surface of the steel bar using a specialized machine called a centerless grinder. This process removes any imperfections or irregularities on the surface, resulting in a smooth and uniform finish. The centerless grinding process also ensures that the diameter of the bar remains consistent throughout its length. This makes centerless ground steel round bars ideal for applications that require precise dimensions and a smooth surface, such as in machining operations or as a base material for further processing. On the other hand, a polished steel round bar is achieved through a polishing process, where the surface of the steel bar is buffed and polished using abrasive materials. This process helps to enhance the aesthetic appearance of the steel bar, giving it a shiny and reflective surface. Unlike centerless grinding, polishing does not involve removing material from the surface but rather smoothing and refining it. Polished steel round bars are often used in decorative applications, such as in architecture, interior design, or as components in high-end furniture. In summary, the main difference between a centerless ground steel round bar and a polished steel round bar lies in the finishing process. Centerless grinding focuses on achieving precise dimensions and a smooth surface, making it suitable for functional applications. On the other hand, polishing aims to enhance the visual appeal of the steel bar, making it more suitable for decorative purposes.
- Q: Can steel round bars be used in marine environments?
- Yes, steel round bars can be used in marine environments. However, it is important to choose the right type of steel that is specifically designed for marine applications. Stainless steel is the most commonly used type of steel in marine environments due to its corrosion-resistant properties. It contains a high percentage of chromium, which forms a protective oxide layer on the surface of the steel, preventing corrosion from saltwater and other harsh elements. Additionally, stainless steel round bars are known for their strength and durability, making them suitable for various marine applications such as shipbuilding, offshore structures, and marine equipment. Regular maintenance and proper care are also essential to ensure the longevity and performance of steel round bars in marine environments.
- Q: Can steel round bars be used in the aerospace manufacturing industry?
- Yes, steel round bars can be used in the aerospace manufacturing industry. Steel is a commonly used material in aerospace applications due to its strength, durability, and resistance to high temperatures. Steel round bars are often used in the construction of aircraft frames, landing gears, and engine components.
- Q: Can steel round bars be used in the manufacturing of office furniture?
- Office furniture can indeed utilize steel round bars. Steel, being a versatile and enduring material, can be molded into various shapes, including round bars. These bars are useful as structural elements in office furniture, such as table legs, chair frames, and support beams. They provide the furniture with strength and steadiness, making them suitable for heavy usage in office settings. Furthermore, steel can be finished in diverse manners, such as powder coating or chrome plating, to enhance its appearance and match the office space's aesthetic. All in all, the utilization of steel round bars in the production of office furniture offers both durability and stability, while also providing a contemporary appearance.
- Q: Can steel round bars be used for making cutting tools?
- Yes, steel round bars can be used for making cutting tools. Steel is a versatile material known for its strength and durability, making it suitable for various applications including cutting tools. The round bars can be shaped and sharpened to create different types of cutting tools such as knives, blades, or drill bits.
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Round Bar Q235 3MM-25MM High Quality Hot Rolled GB
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 2000000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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