Carbon Structural Steel Square Bars SS400CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 m.t./month
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Carbon Structural Steel Square Bars SS400CR
Product Specification
1, p ≤0.050%; S ≤0.050%; Cr ≥0.30%
2, Strength of Extension σb ≥400 Mpa
Yield Strength σs ≥245(25) Mpa
Application
1, Widely used in construction and engineering structure.
2, Widely used in making reinforcing steel bar or building plant room rack, high voltage transmission tower, bridge, vehicle, boiler, vessel, ship, etc.
3, Widely used in manufacturing mechanical parts which do not require high performance.
4, SS400CR with grade C or D can be used as steel with special use.
Product Main Points
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, bright, polished, galvanized
3, Product Process: hot rolled, cold drawn, forged
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- Q: What are the different types of steel round bar alloys for improved strength?
- Various steel round bar alloys are known for their enhanced strength. These alloys are developed by adding different elements to the steel composition, resulting in varying properties and strengths. Carbon steel is a commonly used alloy for increased strength. It contains a higher carbon content, which enhances its strength and hardness. Carbon steel round bars are widely utilized in applications that require high strength, such as construction, automotive, and machinery. Stainless steel is another alloy known for its corrosion resistance and high strength. Stainless steel round bars are frequently employed in environments where corrosion is a concern, such as marine applications, food processing, and chemical plants. Alloy steel is a different category that offers improved strength. It is created by incorporating elements like chromium, molybdenum, and nickel into the composition. Alloy steel round bars are commonly used in industries that necessitate high strength and durability, such as aerospace, oil and gas, and power generation. Tool steel is an additional alloy that provides enhanced strength and toughness. Tool steel round bars are specifically designed for machining and cutting applications, where high wear resistance and hardness are crucial. Lastly, there are specialty alloys such as nickel alloy and titanium alloy round bars, which offer exceptional strength and unique properties for specific applications. Nickel alloy round bars are often utilized in industries such as aerospace, chemical, and nuclear, while titanium alloy round bars are commonly found in aerospace, medical, and automotive industries. In conclusion, carbon steel, stainless steel, alloy steel, tool steel, and specialty alloys are the different types of steel round bar alloys that provide improved strength. Each of these alloys possesses its own unique properties and applications, offering a wide range of options for industries that require high strength materials.
- Q: What is the difference between a centerless ground and a polished steel round bar?
- Both a centerless ground steel round bar and a polished steel round bar are types of steel bars that have undergone different finishing processes, resulting in unique qualities and characteristics. To produce a centerless ground steel round bar, the surface of the steel bar is ground using a specialized machine called a centerless grinder. This process effectively eliminates any imperfections or irregularities on the surface, resulting in a smooth and uniform finish. Additionally, the centerless grinding process ensures that the diameter of the bar remains consistent throughout its length. As a result, centerless ground steel round bars are ideal for applications that require precise dimensions and a smooth surface, such as machining operations or as a base material for further processing. On the contrary, a polished steel round bar is achieved through a polishing process, in which the surface of the steel bar is buffed and polished using abrasive materials. This process enhances the aesthetic appearance of the steel bar, giving it a shiny and reflective surface. Unlike centerless grinding, polishing does not involve the removal of material from the surface, but rather focuses on smoothing and refining it. As a result, polished steel round bars are commonly used in decorative applications, such as architecture, interior design, or as components in high-end furniture. In conclusion, the main distinction 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: What is the corrosion resistance of steel round bars?
- The corrosion resistance of steel round bars is contingent upon the type of steel used and the environmental conditions to which they are exposed. Generally, stainless steel round bars exhibit outstanding resistance to corrosion due to the inclusion of chromium, which generates a protective layer of oxide on the steel's surface. This oxide layer acts as a barrier, impeding further corrosion. On the other hand, carbon steel round bars are more vulnerable to corrosion, particularly in environments with high levels of moisture or exposure to corrosive substances. In such cases, additional measures such as coatings or galvanizing may be necessary to enhance their resistance to corrosion. It should be noted that the performance of steel round bars in corrosive environments is influenced by various factors, including temperature, pH level, and the presence of other elements or chemicals. Therefore, it is advisable to consider the specific application and seek guidance from corrosion experts in order to determine the most suitable steel grade and corrosion protection measures for your requirements.
- Q: What are the different surface finishes available for steel round bars?
- Steel round bars can be finished in various ways, each with its unique properties and applications. Some commonly used surface finishes include: 1. Hot Rolled: By heating the steel above its recrystallization temperature and allowing it to cool, a rough and scaled surface is achieved. This finish is suitable for applications that prioritize functionality over aesthetics. 2. Cold Drawn: The steel round bar is pulled through a die at room temperature, resulting in a smooth and polished surface. This finish offers improved dimensional accuracy and tight tolerances, making it ideal for precise applications that require a visually appealing appearance. 3. Turned and Polished: Using a lathe machine, the steel round bar is turned to achieve a smooth and shiny surface. This process eliminates any imperfections and irregularities, providing a close tolerance and highly finished surface. Turned and polished bars are commonly used in applications that demand high surface finish and dimensional accuracy, such as shafts and precision components. 4. Ground: Grinding is employed to remove surface defects and irregularities, resulting in a highly accurate and smooth surface finish. This finish is suitable for applications that require close tolerances and a superior surface finish, such as bearings, gears, and high-precision components. 5. Coated: Steel round bars can be coated with materials like zinc, chrome, or nickel to enhance their performance and protect against corrosion. Coated bars offer improved durability, corrosion resistance, and aesthetic appeal. The choice of surface finish for steel round bars depends on specific application requirements, including dimensional accuracy, surface quality, corrosion resistance, and aesthetic appeal.
- Q: What are the advantages of using wear-resistant steel round bars?
- The advantages of using wear-resistant steel round bars are that they provide increased durability, extended service life, and enhanced performance in high-wear applications. These bars are specifically designed to withstand abrasion, impact, and other forms of wear, making them ideal for industries such as mining, construction, and manufacturing. By using wear-resistant steel round bars, companies can reduce maintenance costs, minimize downtime, and improve overall operational efficiency.
- Q: What is the difference between a cold finished and a hot rolled steel round bar?
- The manufacturing processes and resulting properties of a cold finished steel round bar and a hot rolled steel round bar are different. To manufacture cold finished steel round bars, a cold drawing process is used. This involves pulling the steel through a die at room temperature. As a result, the steel has a smooth, polished surface with tight dimensional tolerances. Additionally, the cold drawing process improves the strength, hardness, and overall mechanical properties of the steel. Cold finished steel round bars are commonly used in applications where precision and a smooth surface are important, such as in machinery, automotive parts, and tools. In contrast, hot rolled steel round bars are manufactured by heating the steel to a high temperature and then rolling it through a series of rollers. This allows for shaping and forming while the steel is pliable. Hot rolled steel round bars have a rough, scaled surface and looser dimensional tolerances compared to cold finished bars. They also tend to have slightly lower strength and hardness. Due to their lower cost and ease of production, hot rolled steel round bars are frequently used in construction, structural components, and general fabrication. In summary, the differences between cold finished and hot rolled steel round bars are found in their manufacturing processes and resulting properties. Cold finished bars offer improved strength, precision, and a smooth surface, making them suitable for applications requiring high precision and mechanical performance. On the other hand, hot rolled bars have a rougher surface and looser tolerances, but their affordability and ease of production make them a popular choice for general applications.
- Q: Can steel round bars be used in the automotive manufacturing?
- Yes, steel round bars can be used in automotive manufacturing. Steel round bars are commonly used in the production of various automotive components such as axles, crankshafts, connecting rods, and suspension parts. They offer excellent strength, durability, and impact resistance, making them suitable for withstanding the rigorous demands of automotive applications. Additionally, steel round bars can be easily machined and fabricated to meet specific design requirements, ensuring precise and reliable performance in the automotive industry.
- Q: How are steel round bars used in the mining industry?
- Steel round bars are commonly used in the mining industry for various applications such as drilling, excavation, and support structures. These bars are used as drill bits, anchor bolts, and reinforcement elements in underground mines and open-pit mining operations. Their high strength and durability make them suitable for withstanding the harsh conditions and heavy loads encountered in mining activities. Additionally, steel round bars are also utilized in the construction of mining equipment and machinery for their ability to provide structural integrity and stability.
- Q: What are the different types of steel round bar alloys for improved corrosion resistance?
- There are several different types of steel round bar alloys that offer improved corrosion resistance. Some common examples include stainless steel alloys such as 304, 316, and 410, which contain chromium and nickel to create a protective layer against corrosion. Additionally, weathering steel alloys like ASTM A588 and A709 are known for their ability to develop a rust-like appearance that acts as a protective barrier. Other options include duplex stainless steels, which combine the benefits of austenitic and ferritic alloys, and high-alloy steels like Inconel and Hastelloy, which are highly resistant to corrosion in extreme environments.
- Q: How do you calculate the load capacity of a steel round bar?
- The load capacity of a steel round bar can be calculated using its cross-sectional area and the material's yield strength. The formula for calculating load capacity is Load Capacity = Cross-sectional Area × Yield Strength.
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Carbon Structural Steel Square Bars SS400CR
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 120000 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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