Hot Rolled Steel Round Bars of Q195, Q235 for Making Nails
- 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 Hot Rolled Steel Round Bars of Q195, Q235 for Making Nails 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:
Hot Rolled Steel Round Bars of Q195, Q235 for Making Nails are 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 Hot Rolled Steel Round Bars of Q195, Q235 for Making Nails 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 Hot Rolled Steel Round Bars of Q195, Q235 for Making Nails
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 Hot Rolled Steel Round Bars of Q195, Q235 for Making Nails
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 Steel Round Bars of Q195, Q235 for Making Nails?
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: How do you store steel round bars to prevent damage?
- In order to store steel round bars and prevent damage, it is important to follow several crucial steps. Firstly, it is essential to keep the bars in a dry and well-ventilated area to avoid the buildup of moisture, which can lead to rusting. Additionally, moisture can cause the bars to become brittle and weaken over time. Next, it is recommended to store the round bars horizontally instead of vertically. This will prevent warping or bending caused by the weight of the bars pressing down on each other. If vertical storage is necessary, it is vital to use appropriate racks or supports that evenly distribute the weight. Furthermore, it is important to avoid stacking the bars too high, as excessive weight can cause deformation or collapse. If stacking cannot be avoided, sturdy supports should be used and the weight should be evenly distributed across the stack. Moreover, it is advisable to separate different sizes or types of steel round bars to prevent scratching or damage. This can be achieved by using separators or dividers to create distinct compartments for each type of bar. Lastly, regular inspection of the stored round bars for any signs of rust, corrosion, or damage is necessary. If any issues are detected, prompt measures should be taken to address them. This may involve applying rust inhibitors, cleaning the bars, or seeking assistance from professionals. By adhering to these storage guidelines, the steel round bars can be effectively protected from damage, ensuring their longevity and quality.
- Q: What are the different types of steel round bar surface treatments used in the aerospace industry?
- The aerospace industry utilizes various surface treatments for steel round bars to enhance performance and durability. These treatments are carefully designed to meet the industry's strict standards. Some commonly employed treatments in the aerospace industry are as follows: 1. Passivation: This treatment eliminates iron particles and contaminants from the steel round bar's surface. It prevents corrosion and enhances the material's overall corrosion resistance. 2. Shot Peening: Shot peening involves bombarding the steel round bar's surface with small metallic shots. This treatment induces compressive stress on the surface, thereby improving the material's fatigue strength and resistance to stress corrosion cracking. 3. Electroplating: Electroplating is a widely used surface treatment in the aerospace industry. It involves depositing a layer of metallic coating onto the steel round bar through an electrochemical process. This treatment enhances corrosion resistance, wear resistance, and aesthetic appearance. 4. Anodizing: Anodizing is an electrolytic passivation process commonly employed for aluminum alloys, but it can also be used for steel round bars. This treatment forms a thick, durable, and corrosion-resistant oxide layer on the surface, improving resistance to wear, corrosion, and scratching. 5. Nitriding: Nitriding is a surface hardening treatment that involves diffusing nitrogen into the steel round bar's surface. This treatment enhances surface hardness, wear resistance, and fatigue strength. 6. Chemical Conversion Coating: Chemical conversion coating forms a thin, protective layer on the steel round bar's surface. This coating enhances corrosion resistance and provides a suitable base for subsequent paint or coating applications. These examples demonstrate some of the various steel round bar surface treatments employed in the aerospace industry. Each treatment offers distinct advantages and is selected based on specific application requirements, including corrosion resistance, wear resistance, fatigue strength, and aesthetic appearance.
- Q: What are the common sizes and dimensions of steel round bars?
- Common sizes and dimensions of steel round bars vary depending on the application and industry. However, some commonly available sizes range from 1/4 inch to 24 inches in diameter, with lengths typically ranging from 10 to 20 feet. Additionally, standard dimensions for steel round bars often follow ASTM (American Society for Testing and Materials) specifications.
- Q: What are the different types of steel round bar surface finishes for corrosion resistance?
- Corrosion resistance in steel round bars can be achieved through various surface finishes. These finishes effectively shield the bar from corrosive elements, reducing the risk of rust or degradation over time. Hot-dip galvanizing is a popular choice for corrosion resistance. It entails immersing the steel round bar in molten zinc, which creates a protective zinc coating. This sacrificial anode corrodes before the steel, providing long-lasting protection against rust and corrosion. Stainless steel is another common surface finish for corrosion resistance. With a minimum chromium content of 10.5%, it forms a passive oxide layer when exposed to oxygen. This layer acts as a barrier, preventing further oxidation and corrosion, making stainless steel round bars highly resistant to rust. Electroplating is a method used to provide corrosion resistance. By immersing the bar in an electrolyte solution and passing an electric current through it, a layer of metal like zinc or nickel is deposited onto the surface, offering a protective coating. For steel round bars that require both corrosion resistance and aesthetic appeal, powder coating is a popular choice. This process involves applying a dry powder coating to the surface and curing it under heat. The resulting hard, durable finish not only offers excellent corrosion resistance but also provides a variety of color options. There are also specialized coatings available for specific applications, such as epoxy or polymer coatings. These coatings offer superior resistance to particular corrosive environments, like exposure to chemicals or high humidity. In conclusion, there are several types of surface finishes for corrosion resistance in steel round bars. These include hot-dip galvanizing, stainless steel, electroplating, powder coating, and specialized coatings. The choice of finish depends on factors such as the specific application, environmental conditions, and desired aesthetics.
- Q: How do you calculate the maximum allowable stress for a steel round bar?
- To calculate the maximum stress that a steel round bar can bear without deforming or failing, several considerations must be made. 1. Material properties must be determined: Steel round bars have various grades, each with its own distinct material properties. These properties, such as ultimate tensile strength (UTS), yield strength, and elongation percentage, can usually be found in material specification documents or reference books. 2. The design factor should be identified: The design factor, also referred to as the safety factor or factor of safety, is a multiplier applied to the maximum stress to ensure the safety and capacity of the structure or component when subjected to unexpected or dynamic loads. The design factor can differ depending on the application and industry standards, typically ranging between 1.5 and 4. 3. The allowable stress needs to be calculated: The allowable stress is determined by dividing the yield strength of the material by the design factor. This calculation ensures that the structure or component remains within a safe stress range. The formula can be expressed as: Allowable Stress = Yield Strength / Design Factor. For instance, if a steel round bar has a yield strength of 300 MPa and a design factor of 2, the maximum allowable stress would be 150 MPa (300 MPa / 2). This implies that the steel round bar can safely endure a maximum stress of 150 MPa before the risk of deformation or failure arises. It is vital to note that the maximum allowable stress is just one aspect of designing a structure or component. Other factors, including fatigue, environmental conditions, and load distribution, should also be considered to ensure a secure and dependable design. Seeking guidance from relevant engineering codes, standards, and professionals is highly recommended when calculating the maximum allowable stress for a specific application.
- Q: Are steel round bars suitable for the production of springs?
- Yes, steel round bars are suitable for the production of springs. Steel is a commonly used material for springs due to its excellent strength and durability properties. The round shape of the bars allows for easy shaping and forming, making them ideal for spring manufacturing processes. Steel round bars can be easily machined and heat-treated to achieve the desired spring characteristics such as elasticity and resilience. Additionally, steel has a high tensile strength and can withstand heavy loads, making it suitable for applications that require strong and reliable springs.
- 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: What is the composition of steel round bars?
- Steel round bars are typically composed of iron and carbon, with small amounts of other elements such as manganese, silicon, and sulfur. The exact composition can vary depending on the specific grade and intended use of the steel.
- Q: What are the different types of steel used in round bars?
- There are several different types of steel that are commonly used in the production of round bars. Some of the most common types include: 1. Carbon Steel: This is the most basic type of steel used in round bars. It contains a small amount of carbon (typically less than 1%) and is known for its strength and durability. Carbon steel is often used in construction and structural applications. 2. Alloy Steel: Alloy steel is made by adding other elements to carbon steel, such as manganese, chromium, or nickel. These additional elements enhance the strength, hardness, and corrosion resistance of the steel. Alloy steel round bars are commonly used in machinery and automotive parts. 3. Stainless Steel: Stainless steel is a type of steel that contains a minimum of 10.5% chromium by mass. This high chromium content gives stainless steel its unique properties, including corrosion resistance and a shiny appearance. Stainless steel round bars are widely used in the food industry, construction, and in applications where high corrosion resistance is required. 4. Tool Steel: Tool steel is a special type of steel that is designed to withstand high temperatures and resist wear and tear. It is commonly used in the manufacturing of tools and dies, as well as in applications where high strength and hardness are necessary. 5. Duplex Stainless Steel: Duplex stainless steel is a type of stainless steel that contains a combination of austenite and ferrite phases in its microstructure. This gives it superior strength and corrosion resistance compared to regular stainless steel. Duplex stainless steel round bars are often used in marine and chemical industries. Overall, the choice of steel for round bars depends on the specific requirements of the application, such as strength, corrosion resistance, and temperature resistance.
- Q: How do you prevent steel round bars from rusting during transportation?
- To prevent steel round bars from rusting during transportation, there are several effective measures that can be taken. 1. Proper packaging: The first step is to ensure that the steel round bars are properly packaged. They should be securely wrapped and sealed in a moisture-resistant packaging material such as plastic or shrink wrap. This will create a barrier against moisture and prevent direct contact with air. 2. Desiccants: Including desiccants, such as silica gel packets or moisture-absorbing clay, inside the packaging can help in absorbing any moisture that may be present. These desiccants will help to maintain a dry environment around the steel bars, reducing the chances of rust formation. 3. VCI (Volatile Corrosion Inhibitor) packaging: VCI packaging is an effective method to prevent rust during transportation. VCI materials release a protective vapor that forms a thin protective layer on the steel surface, inhibiting corrosion. VCI films or papers can be used to wrap the steel round bars, providing a long-lasting rust protection. 4. Proper storage conditions: During transportation, it is important to store the steel round bars in a dry and well-ventilated environment. Avoid exposing them to rain, humidity, or extreme temperature fluctuations. If possible, store them in a covered and climate-controlled area to minimize the risk of rust formation. 5. Regular inspection and maintenance: Regularly inspect the steel round bars during transportation to ensure that the packaging remains intact and no moisture has seeped in. If any damage or signs of moisture are detected, immediate action should be taken to rectify the issue and prevent rust from spreading. By implementing these preventive measures, the risk of rust formation on steel round bars during transportation can be significantly reduced, ensuring that they reach their destination in optimal condition.
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Hot Rolled Steel Round Bars of Q195, Q235 for Making Nails
- 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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