Carbon Structural Steel Round Bars ASTM A36
- 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 Round Bars ASTM A36
PRODUCT SPECIFICATION
1, Chemical Composition %
| Grade | C | Si | Mn | S | P | Cr | Cu |
| ASTM A36 | ≤0.25 | ≤0.40 | 0.80-1.20 | ≤0.050 | ≤0.040 | ≥0.30 | ≥0.20 |
2, Diameter: 9mm - 80mm
APPLICATION
1. Manufacturing of mechanical parts
2. Welding structure building
3. Bridge engineering with higher quality requirements
PRODUCT MAIN POINTS
1, Heat Treatment: normalizing, annealing, tempering, quenching
2, Surface Treatment: black, grinding, bright, polish
3, Product Process: hot rolled, cold drawn, forged
FAQ
1, Payment Terms:
30% T/T deposit & 70% T/T before delivery.
Irrevocable L/C at sight
2, Trade Terms:
EXW, FOB, CIF, CNF
3, Delivery Time:
Normally 30-40 days. According to quantity.
4, Manufacture or Trading Company:
CNBM is a state-owned fortune global 500 trading company. We have intergrated supply system.
There are about 20 overseas locations in different countries.
PRODUCT SHOW
ABOUT US
- Q: What are the corrosion resistance properties of steel round bars?
- Due to the presence of alloying elements like chromium, nickel, and molybdenum, steel round bars possess exceptional corrosion resistance. These elements combine to form a protective oxide layer on the steel's surface, effectively preventing contact with corrosive substances. By reacting with oxygen in the air, chromium in steel round bars forms a thin, unnoticeable layer of chromium oxide. This layer plays the role of a barrier, shielding the steel from further oxidation and corrosion. Additionally, nickel and molybdenum enhance the corrosion resistance of steel by increasing its ability to withstand pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Apart from alloying elements, the manufacturing process can also impact the corrosion resistance of steel round bars. For example, stainless steel round bars are frequently subjected to passivation, a process that eliminates free iron and other contaminants from the surface. Passivation contributes to the steel's corrosion resistance by creating a clean and inert surface that is less susceptible to corrosion. In conclusion, steel round bars are renowned for their remarkable corrosion resistance, which makes them well-suited for a wide array of applications across various industries, including construction, marine, automotive, and aerospace.
- Q: Can steel round bars be coated for improved aesthetics?
- Yes, steel round bars can be coated for improved aesthetics. Coating steel round bars can enhance their appearance by providing a more polished and visually appealing surface. There are various coating options available, such as powder coating, electroplating, or painting, which can be applied to steel round bars to achieve different aesthetic effects. These coatings not only enhance the appearance of the bars but also provide additional benefits such as corrosion resistance and durability. Therefore, coating steel round bars is a common practice to improve their aesthetics in various applications including architectural, decorative, and industrial purposes.
- Q: What is the difference between a hot rolled and a turned steel round bar?
- A hot rolled steel round bar is produced by heating the steel billet to high temperatures and then rolling it into its final shape, resulting in a rough surface finish. On the other hand, a turned steel round bar is produced by machining the steel bar using a lathe, which creates a smooth and polished surface finish.
- Q: How are steel round bars used in the construction of offshore structures?
- Steel round bars are commonly used in the construction of offshore structures due to their high strength and durability. These bars are typically made from carbon steel or alloy steel, which are known for their excellent mechanical properties. In offshore construction, steel round bars are primarily used to provide structural support and reinforcement. They are used in various applications, such as the construction of oil rigs, offshore platforms, pipelines, and subsea structures. One of the key uses of steel round bars is in the fabrication of piles. Piles are long, cylindrical structures that are driven into the seabed to provide a stable foundation for offshore structures. These piles are typically made from steel round bars due to their ability to withstand the harsh marine environment and high loads. Steel round bars are also used in the construction of offshore platforms. These platforms are large, elevated structures that provide a workspace for oil and gas exploration and production activities. The steel round bars are used to create the framework of the platform, forming the main structural elements such as columns, beams, and trusses. These bars are often welded or bolted together to create a strong and rigid structure capable of withstanding extreme weather conditions and heavy loads. Furthermore, steel round bars are utilized in the construction of pipelines that transport oil and gas from offshore wells to onshore facilities. These bars are used to create the pipeline supports, ensuring that the pipeline remains stable and securely fastened to the seabed. In conclusion, steel round bars play a vital role in the construction of offshore structures. Their high strength, durability, and ability to withstand harsh marine environments make them an ideal choice for providing structural support and reinforcement in offshore construction projects.
- Q: Can steel round bars be used for making brake components?
- Yes, steel round bars can be used for making brake components. Steel is a common material used in the manufacturing of brake components due to its high strength, durability, and resistance to heat and corrosion. Steel round bars can be machined and formed into various shapes required for brake components such as brake rotors, brake caliper brackets, or brake pedal levers.
- Q: What are the different types of steel round bar alloys used in the marine industry?
- In the marine industry, various types of steel round bar alloys are used due to their strength, corrosion resistance, and other specific properties required for marine applications. Some of the commonly used steel round bar alloys in the marine industry include: 1. Stainless Steel: Stainless steel, particularly grades like 316 and 304, is extensively used in the marine industry. These alloys have excellent corrosion resistance, making them suitable for marine environments where exposure to saltwater and moisture is common. Stainless steel round bars are also known for their high strength and durability. 2. Carbon Steel: Carbon steel round bars are another commonly used alloy in the marine industry. They are known for their strength and toughness, making them suitable for various marine applications. However, carbon steel is more prone to corrosion compared to stainless steel, so proper maintenance and protective coatings are necessary. 3. Duplex Stainless Steel: Duplex stainless steel round bars, such as SAF 2205, are gaining popularity in the marine industry due to their superior corrosion resistance and high strength. These alloys have a balanced microstructure of ferrite and austenite, providing excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. 4. Copper-Nickel Alloys: Copper-nickel round bars, specifically alloys like 90/10 (90% copper and 10% nickel) and 70/30 (70% copper and 30% nickel), are widely used in the marine industry. These alloys offer excellent resistance to seawater corrosion, erosion, and biofouling. Copper-nickel alloys are commonly used in seawater piping systems, heat exchangers, and condensers. 5. Aluminum Alloys: Although not steel, aluminum round bars are also used in the marine industry, especially for lightweight applications. Aluminum alloys, such as 6061 and 5083, offer good corrosion resistance and high strength-to-weight ratio. They are commonly used in boat building, mast structures, and other marine components. It is important to note that the selection of steel round bar alloys in the marine industry depends on specific application requirements, environmental conditions, and budget considerations. Consulting with marine engineers and industry experts can help in choosing the most appropriate alloy for a particular marine application.
- Q: What are the different types of steel round bars used in the automotive exhaust systems?
- There are various types of steel round bars used in automotive exhaust systems, including stainless steel, mild steel, and high-strength low-alloy (HSLA) steel. Stainless steel is often preferred for its corrosion resistance and durability, while mild steel is commonly used for its lower cost and ease of fabrication. HSLA steel, on the other hand, offers a balance between strength and weight, making it suitable for performance-oriented exhaust systems. The specific type of steel round bar utilized depends on factors such as the desired performance, cost considerations, and regulatory requirements.
- Q: Do you need paint for roof lightning proof steel bars?
- If the metal surface is coated with a thick layer of insulating paint, it will seriously affect the flashover effect. In the national standard, the metal roof is directly used as a flash receiver. The thickness of the paint used on the roof must be less than the required value. That is what it means.
- Q: Can steel round bars be used for decorative purposes?
- Yes, steel round bars can be used for decorative purposes. They can be incorporated into various architectural and interior design projects to add a modern and industrial aesthetic. Steel round bars can be shaped, bent, and welded to create unique and eye-catching pieces such as furniture, sculptures, railings, and decorative accents. Their sleek and metallic appearance can complement different styles and design themes, making them a versatile choice for decorative purposes. Additionally, steel round bars are durable and long-lasting, ensuring that the decorative elements will withstand the test of time.
- Q: What is the diameter deviation of 12 mm galvanized round bar?
- Hot galvanized round steel refers to the cross section of round solid steel. The specifications are expressed in millimeters of diameter, such as "50", which means a round bar of 50 millimeters in diameter.
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Carbon Structural Steel Round Bars ASTM A36
- 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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