Hot Rolled Steel Rod Price Steel Round Bars China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 776 m.t.
- Supply Capability:
- 2000000 m.t./month
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Description of steel round bar:
(1) Thickness of not more than 2MM sheet, efficient blanking die, punch die and pressure die etc.
(2) All kinds of scissors, inserts, woodworking blade.
Festures of steel round bar:
1.Dia 80-800mm Length:2000-13000mm or as required
2.Technique:Forged
3.Delivery Time:45 days
Specifications of steel round bar:
The highest temperature is 427 degrees Celsius.it has good strength,and high quenching property ,the toughness is good and small deformation during quenching.At high temperature, there are high creep strength and endurance strength.It is used in the manufacture of a higher strength and higher quenching and tempering section of the 35CrMo steel, like big locomotive traction gears, supercharger drive gear, rear axle, the connecting rod and the spring load greatly clip.
Round bar | Diameter(mm) | Length (mm) | |
10~800 | 2000~5800 | ||
plate/sheet | Thickness(mm) | Width (mm) | Length (mm) |
10~800 | 80~2300 | 2000~5800
|
Images of steel round bar:
FAQ:
1. What is your package?
Packing situation: standard seaworthy packing or as customer required.
2. How long is the lead time?
Delivery time: 45 days after order confirmed.
- Q:Are steel round bars magnetic?
- Yes, steel round bars are generally magnetic due to their high iron content.
- Q:What is the fatigue strength of a steel round bar?
- The fatigue strength of a steel round bar refers to its ability to withstand repeated loading and unloading cycles without experiencing failure. It is a measure of the maximum stress that the bar can endure without developing cracks or fractures due to fatigue. The fatigue strength of a steel round bar depends on various factors such as the material composition, surface condition, size, and manufacturing process.
- Q:What are the advantages of using alloy steel round bars?
- There are several advantages of using alloy steel round bars. Firstly, alloy steel round bars offer superior strength and durability compared to regular steel bars. This makes them ideal for applications where high strength and toughness are required, such as in construction, automotive, and aerospace industries. The alloying elements in these bars enhance their mechanical properties, making them more resistant to wear, impact, and corrosion. Additionally, alloy steel round bars have excellent heat resistance. They can withstand high temperatures without losing their strength, making them suitable for use in high-temperature environments like furnaces, boilers, and heat exchangers. This property allows for extended service life and reduces the need for frequent replacements. Another advantage of using alloy steel round bars is their versatility. These bars can be easily machined, forged, or welded, allowing for flexibility in design and manufacturing processes. They can be customized to meet specific requirements, making them suitable for various applications. Furthermore, alloy steel round bars have good dimensional stability. They maintain their shape and size even under extreme conditions, ensuring precise and accurate performance. This property is particularly important in applications where tight tolerances are required, such as in precision engineering and manufacturing industries. Lastly, alloy steel round bars are cost-effective in the long run. Although they may have a higher initial cost compared to regular steel bars, their enhanced properties and extended service life result in reduced maintenance and replacement costs. This makes them a more economical choice in the long term. In conclusion, the advantages of using alloy steel round bars include superior strength and durability, excellent heat resistance, versatility in machining and fabrication, good dimensional stability, and long-term cost-effectiveness. These benefits make them a preferred choice in various industries where high-performance materials are required.
- Q:What is the difference between a hot rolled and a cold drawn steel round bar?
- Hot rolled and cold drawn steel round bars differ primarily in their production methods and resulting characteristics. Hot rolled bars are created by heating a billet or ingot to high temperatures and shaping it through rolling, resulting in a rough, scaled surface with rounded edges. This process allows for quick and efficient production of larger sizes and quantities, however, the steel is less precise in terms of dimensions and has a lower surface finish quality compared to cold drawn steel. In contrast, cold drawn steel round bars are produced by pulling a hot rolled bar through a die at room temperature, resulting in a smooth, polished surface with tighter dimensional tolerances. This process enhances the mechanical properties of the steel, such as improved strength, hardness, and dimensional accuracy. Cold drawing also provides a better surface finish and closer dimensional control compared to hot rolling. Hot rolled steel round bars are often used in construction, manufacturing, and general fabrication due to their lower cost and ease of production. They are suitable for applications where precision and surface finish are not critical factors. On the other hand, cold drawn steel round bars are commonly used in demanding applications that require superior dimensional accuracy, surface finish, and mechanical properties. They are frequently utilized in automotive, aerospace, and machinery industries, where precision and quality are essential. In conclusion, the main disparities between hot rolled and cold drawn steel round bars lie in their production process, resulting surface finish, dimensional accuracy, and mechanical properties. The choice between the two depends on the specific requirements and applications of the steel.
- Q:How do you determine the straightness of a steel round bar?
- To determine the straightness of a steel round bar, there are several methods that can be used. One common method is visual inspection, where the bar is carefully examined for any visible bends, twists, or deviations from a straight line. This can be done by placing the bar on a flat surface and checking for any gaps or unevenness between the surface and the bar. Another method is to use a straightedge or a precision ruler. By placing the straightedge or ruler along the length of the bar, any deviations from a straight line can be easily detected. This method allows for more precise measurements and can help identify even slight bends or curves. Measuring devices such as dial indicators or laser alignment tools can also be used to determine the straightness of a steel round bar. These devices provide more accurate measurements and can quantify the degree of straightness by providing numerical readings of any deviations from a straight line. It is important to note that the acceptable level of straightness may vary depending on the specific application or industry standards. In such cases, specific tolerances or guidelines may need to be followed to ensure that the steel round bar meets the required straightness criteria. Overall, determining the straightness of a steel round bar requires careful visual inspection and the use of appropriate measuring tools to ensure that it meets the necessary straightness standards for its intended use.
- Q:Can steel round bars be used in the production of telecommunications equipment?
- Yes, steel round bars can be used in the production of telecommunications equipment. Steel is a versatile material that offers strength and durability, making it suitable for various applications, including telecommunications equipment. Steel round bars can be used to create structural components, connectors, brackets, and supports, among other parts required in the production of telecommunications equipment.
- Q:What are the different types of steel round bar alloys for improved corrosion resistance?
- Improved corrosion resistance is associated with various types of steel round bar alloys. Stainless steel, weathering steel, and duplex stainless steel are among the commonly utilized alloys. Stainless Steel, for instance, contains a minimum of 10.5% chromium. As a result, it forms a thin layer of chromium oxide on the steel surface, serving as a protective barrier against corrosion. This protective layer significantly minimizes the likelihood of rust and other forms of corrosion. Different grades of stainless steel, such as 304 and 316, offer varying degrees of corrosion resistance based on the specific application. Weathering Steel, also known as Corten steel, acquires a rust-like appearance when exposed to the weather. This unique characteristic aids in its resistance against atmospheric corrosion. Additionally, the inclusion of copper, chromium, and nickel further enhances its corrosion resistance, allowing it to withstand harsh environmental conditions without requiring painting. Duplex Stainless Steel, on the other hand, combines austenitic and ferritic stainless steels. Its remarkable corrosion resistance is attributed to its high content of chromium and molybdenum. This type of alloy is particularly adept at combating localized corrosion, including pitting and crevice corrosion. Consequently, it finds great utility in aggressive environments like the marine and chemical industries. It is essential to recognize that the selection of a suitable steel round bar alloy for enhanced corrosion resistance hinges upon the specific requirements of the application and the surrounding environmental conditions. Seeking guidance from a materials engineer or corrosion specialist can prove beneficial in determining the most appropriate alloy for a given situation.
- Q:What are the safety precautions when handling steel round bars?
- When handling steel round bars, it is important to follow certain safety precautions. These include wearing appropriate personal protective equipment such as safety gloves, goggles, and steel-toed boots to protect against potential injuries. Additionally, workers should be trained on the correct lifting techniques to avoid strains or back injuries. It is crucial to inspect the bars for any defects or damages before handling them, as flawed bars can pose safety risks. Proper storage and handling techniques should be followed to prevent accidents such as tripping or falling. Lastly, communication and coordination among workers are essential to ensure a safe working environment when handling steel round bars.
- Q:Are steel round bars used in the construction industry?
- Yes, steel round bars are commonly used in the construction industry. They are versatile and can be used in various applications, such as reinforcing concrete structures, providing structural support in buildings, and fabricating components for bridges, highways, and other infrastructure projects. Steel round bars offer high strength and durability, making them suitable for withstanding heavy loads and harsh environmental conditions. Additionally, their uniform shape and smooth surface allow for easy welding, bending, and machining, which makes them an ideal choice for construction projects.
- Q:How are steel round bars tested for tensile strength?
- Steel round bars are tested for tensile strength using a method called a tensile test. This test measures the resistance of a material to a stretching force, and it is commonly used to determine the mechanical properties of metals. To perform a tensile test on a steel round bar, a sample is taken from the bar in the form of a cylinder or a rectangular shape. The sample is then prepared by removing any surface imperfections or irregularities. Next, the sample is inserted into a testing machine called a tensile testing machine. The machine consists of two grips, one at each end, which securely hold the sample. One grip is fixed while the other is movable. The testing machine applies an increasing force to the sample, causing it to stretch until it eventually breaks. As the force is applied, the machine measures the amount of force required to stretch the sample and records the elongation or deformation of the sample throughout the test. The test results are used to calculate various mechanical properties of the steel round bar, including its ultimate tensile strength. This is the maximum amount of stress the material can withstand before it breaks. Other properties such as yield strength, elastic modulus, and elongation at break can also be determined from the test. Tensile testing is a critical method for determining the quality and suitability of steel round bars for various applications. It helps ensure that the material meets the required specifications and can withstand the expected loads and stresses in its intended use.
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Hot Rolled Steel Rod Price Steel Round Bars China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 776 m.t.
- Supply Capability:
- 2000000 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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