Mild Hot Rolled Steel Round Bars for Bults and Nults
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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Product Description:
OKorder is offering high quality Mild Hot Rolled Steel Round Bars for Bults and Nults 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:
Mild Hot Rolled Steel Round Bars for Bults and Nultsare ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
1. Steel round bar products is used in construction and a large number of architectural and engineering structures. And it can be used in production of handrail, windows, machinery, telecom and curtain wall.
2. It can be used in the fields like metal mines, cement plants, water coal slurry, power stations and chemical industry.
3. Besides, we can supply some especial material steel round bar that can be used for main shaft of steamer, hummer shank, with big section and supper force.
4. 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.
1. The steel in which the main interstitial alloying constituent is carbon in the range of 0.12–2.0%.
2. As the carbon percentage content rises, steel has the ability to become harder and stronger through heat treating; however it becomes less ductile.
3. Regardless of the heat treatment, higher carbon content reduces weld ability. In carbon steels, the higher carbon content lowers the melting point.
4. Quality should be in conformity with the specification of the manufacturer. Quantity and packing conditions should be in conformity with the term in the contract.
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
Specifications of Mild Hot Rolled Steel Round Bars for Bults and Nults
1. Grade: Q235, A36, SS400, S235JR
2. Feature: Unbreakable, grinding resistant and high impact value
3. Diameter: 8mm-150mm
4. Performance: Mainly for civil construction
5. Characteristics: Even hardness, no deformation, no breaking, no mal-roundness
6. Technique: Hot rolled
7. Mass: Mass (kg/m) = Diameter (mm) × Diameter (mm) × 0.00617
Packaging & Delivery of Mild Hot Rolled Steel Round Bars for Bults and Nults
Packaging Detail: All goods are packed in bundle with steel strips and shipped by break bulk vessel or container (depend on target market and different ports)
Delivery Detail: 45 days
Trade terms: FOB, CFR, CIF
MOQ: 25 tons per specification; we can negotiate the quantity if the specification is normal or we have stock of one specification.
Weight: The price invoicing on theoretical weight basis or actual weight basis depends on customer’s request.
Shipment: The shipment of bulk break or container is depends on customer’s request and the situation of the port of destination.
Documents given: Full set of original clean on board bill of lading; Original signed commercial invoice; Original packing list; Policy of insurance; Certificate of origin and what the target market needs.
Production Flow of Mild Hot Rolled Steel Round Bars for Bults and Nults
Material prepare (billet) — heat up — rough rolling — precision rolling — cooling — packing — storage and transportation
FAQ:
Q1: The products are invoicing on theoritical weight or on actual weight?
A1: We can do it in both manners, according to the customers' request.
Q2: What is the normal tolerance of Hot Rolled Mild Steel Angle Beams for Structures and for Buildings?
A2: Normally 3%-5%, but we can also produce the goods according to the customers' requests.
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: Are steel round bars resistant to corrosion?
- The corrosion resistance of steel round bars can vary depending on the type of steel and the environment in which they are placed. For instance, stainless steel round bars consist of chromium, which creates a protective layer on the surface, shielding against corrosion. This protective layer is capable of self-repair and offers exceptional resistance to corrosion in various environments, such as those with moisture, chemicals, or saltwater. Conversely, carbon steel round bars do not possess inherent corrosion resistance and might necessitate additional protective coatings or treatments to prevent corrosion. Hence, it is crucial to consider the specific steel type and intended application when evaluating the corrosion resistance of steel round bars.
- Q: What are the different types of steel round bar coatings used in the oil and gas industry?
- In the oil and gas industry, several types of steel round bar coatings are commonly used to enhance the durability and corrosion resistance of the bars. These coatings are essential for protecting the steel from the harsh environments encountered in oil and gas production, transportation, and refining processes. 1. Galvanized Coating: Galvanization involves applying a layer of zinc to the steel round bar. This coating provides excellent corrosion resistance and protects the steel from the effects of moisture, chemicals, and exposure to the elements. Galvanized coatings are commonly used in various applications in the oil and gas industry, especially in pipelines, offshore platforms, and storage tanks. 2. Fusion Bonded Epoxy (FBE) Coating: FBE coating is a thermosetting epoxy powder coating applied to the steel round bar using electrostatic spray. The coating is then heat-fused to form a strong, durable, and corrosion-resistant layer. FBE coatings are widely used in the oil and gas industry for pipelines, valves, and fittings, as they provide excellent protection against corrosion, abrasion, and chemicals. 3. Polyethylene (PE) Coating: PE coating involves applying a layer of polyethylene to the steel round bar through extrusion or wrapping methods. This coating is commonly used for pipelines in the oil and gas industry as it provides exceptional resistance to corrosion, chemicals, and impact. PE coatings are also known for their flexibility, allowing the coated bars to withstand ground movement and temperature variations. 4. Polypropylene (PP) Coating: PP coating is similar to PE coating, but it uses polypropylene instead. PP coatings offer similar benefits to PE coatings, including corrosion resistance, chemical resistance, and flexibility. They are often used in the oil and gas industry for pipelines, particularly in areas with higher temperatures or where chemical resistance is a priority. 5. Zinc-Nickel Coating: Zinc-nickel coatings involve electroplating a layer of zinc-nickel alloy onto the steel round bar. This coating provides excellent corrosion protection, even in harsh environments such as offshore installations or high-salinity areas. Zinc-nickel coatings are known for their superior resistance to both corrosion and abrasion, making them ideal for various oil and gas applications. Overall, these different types of steel round bar coatings play a crucial role in safeguarding the integrity and longevity of equipment and infrastructure in the oil and gas industry. They ensure that the steel bars can withstand the demanding conditions encountered in exploration, production, and transportation, reducing maintenance needs and enhancing safety and reliability.
- Q: What is the difference between a turned and a polished steel round bar?
- A turned steel round bar and a polished steel round bar both undergo separate processes that result in different surface finishes and properties. A turned steel round bar is typically created by using a lathe machine to remove material from the surface of a steel bar. This process involves rotating the bar against a cutting tool, which cuts away the outer layer and leaves behind a smooth and cylindrical surface. The turned bar may have visible machining marks due to the cutting process, although it is generally considered to have a more precise and uniform diameter compared to other types of steel bars. Turned bars are often used in applications where dimensional accuracy is crucial, such as in machinery or tooling. On the other hand, a polished steel round bar undergoes a different process that involves grinding or buffing the surface to achieve a smooth and reflective finish. Polishing removes any imperfections or roughness from the surface of the steel bar, resulting in a highly lustrous appearance. Polished bars are often used in decorative applications or where visual aesthetics are important, such as in architectural designs or high-end consumer products. In summary, the main difference between a turned and a polished steel round bar lies in their respective manufacturing processes and resulting surface finishes. A turned bar is machined to achieve precise dimensions, while a polished bar is subjected to a polishing process to obtain a smooth and reflective surface. The choice between the two depends on the specific requirements of the application, with turned bars being preferred for dimensional accuracy and polished bars for aesthetic appeal.
- Q: Can steel round bars be welded to other materials?
- Other materials can indeed be joined with steel round bars through welding. Welding is a widely used technique for merging various materials, including steel round bars, aluminum, stainless steel, and even non-metallic substances like plastics. However, it is vital to emphasize that successful welding depends on the compatibility of the materials being joined. To ensure a robust and long-lasting bond between the steel round bar and the other material, the welding process necessitates the use of appropriate techniques, filler metals, and sometimes pre-heating or post-weld heat treatment. Moreover, it is important to consider the specific application and the desired properties of the joint in order to determine the most suitable welding method and materials.
- Q: Are steel round bars available in different shapes other than round?
- No, steel round bars are typically only available in round shapes. The term "round bar" refers specifically to a cylindrical shape with a circular cross section. However, there are other types of steel bars available in different shapes, such as square bars, flat bars, and hexagonal bars. These bars have specific applications and properties that make them suitable for different uses. So, while steel round bars are limited to round shapes, there are various other shapes of steel bars available in the market to cater to different requirements.
- Q: What is the difference between a smooth and a precision ground steel round bar?
- A smooth steel round bar is a steel rod with a plain surface and no specific surface treatment or finishing process. It is typically made through hot rolling or cold drawing, resulting in a basic cylindrical shape with a relatively rough surface texture. Smooth steel round bars are commonly used in various applications where a smooth exterior finish is not crucial. On the other hand, a precision ground steel round bar goes through an extra manufacturing process to achieve a more precise and refined surface finish. The process involves removing any imperfections or irregularities from the steel rod's surface, resulting in a highly smooth and polished finish. This ensures that the round bar maintains a consistent diameter along its length and has a superior level of finish and accuracy. Precision ground steel round bars are widely used in applications that require tight tolerances, precision machining, or a smooth and polished surface. Industries such as aerospace, automotive, tooling, and manufacturing often rely on precision ground steel round bars for their high-quality surface finish, dimensional accuracy, and reliable performance. In conclusion, the main distinction between a smooth and a precision ground steel round bar lies in the surface finish and level of precision achieved. While a smooth steel round bar has a basic, rough surface texture and is suitable for general applications, a precision ground steel round bar undergoes additional grinding processes to achieve a highly smooth, polished, and accurate surface finish. This makes it ideal for applications requiring tight tolerances and precision machining.
- Q: How are steel round bars used in the construction of tunnels and underground structures?
- Steel round bars are commonly used in the construction of tunnels and underground structures as reinforcement for concrete. These bars are placed within the concrete to provide strength and stability, preventing the structure from cracking or collapsing under pressure. The steel round bars also enhance the overall durability and load-bearing capacity of the tunnel or underground structure, ensuring its long-term structural integrity.
- Q: What are the advantages of using nickel-lead alloy steel round bars?
- Nickel-lead alloy steel round bars offer numerous benefits: 1. Corrosion resistance is enhanced, making the bars suitable for use in industries dealing with harsh environments or corrosive substances. This ensures durability and reduces the need for frequent replacements. 2. The inclusion of nickel and lead enhances the strength and toughness of the bars, making them highly resistant to deformation, cracking, and wear under high-stress conditions. This allows them to withstand heavy loads and impacts. 3. Machinability is improved, enabling easy cutting, drilling, and shaping during fabrication processes. Efficient chip evacuation and reduced tool wear result in increased productivity and cost-effectiveness in manufacturing. 4. Thermal stability is excellent, making the bars suitable for high-temperature applications or extreme thermal cycling. They can withstand thermal expansion and contraction without significant dimensional changes, ensuring accuracy and structural integrity. 5. The addition of lead contributes to a low coefficient of friction, reducing wear and friction between the bars and other surfaces. This is valuable in applications where minimal wear and lubrication are crucial. 6. The bars possess good electrical conductivity, making them ideal for applications that require efficient electrical current flow, such as electrical connectors and circuit breakers. In conclusion, nickel-lead alloy steel round bars offer enhanced corrosion resistance, superior strength, improved machinability, thermal stability, low friction coefficient, and good electrical conductivity. These properties make them an excellent choice for various industries and applications.
- Q: How can stainless steel rounds occur? Is it a quality problem?
- Cracks caused by inclusions in steel, cracks and steel surface of a certain angle, about 1 ~ 2.5mm, slightly decarburization on both sides, decarburization layer 0.10 ~ 0.15mm. There are inclusions on both sides of the crack and in the tail, and the ferrite band is formed
- Q: What kind of steel pipe is round steel?
- A round bar is not a steel tube. In brief, its section is round, but it is solid, and the cross section of the pipe is hollow.
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Mild Hot Rolled Steel Round Bars for Bults and Nults
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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