Round Bar Hot Rolled High Quality 3MM-25MM
- 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 Hot Rolled Steel I-Beams 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:
1) Suitable for making various strong cutting tool abrasion resistance, impact resistance.
2) Used to produce all kinds of high hard and super hard saw blade, drill, tap, broach, gear hob and various kinds of milling cutter.
3) Used for advanced punching die, screw die, and the toughness and complicated shape of the punch, etc.
4) Is used for cold forging die and drawing mode, etc.
5) 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.
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
Product Specifications:
1. Grade: GB, JIS, ASTM, EN
2. Grade: Q235, SS400, A36, S235JR
3. Diameter and mass: As below
Diameter | Mass | Diameter | Mass | Diameter | Mass |
(mm) | (kg/m) | (mm) | (kg/m) | (mm) | (kg/m) |
6 | 0.22 | 22 | 2.98 | 53 | 17.30 |
7 | 0.30 | 24 | 3.55 | 56 | 19.30 |
8 | 0.40 | 25 | 3.85 | 60 | 22.20 |
9 | 0.50 | 26 | 4.17 | 63 | 24.50 |
10 | 0.62 | 28 | 4.83 | 65 | 26.00 |
11 | 0.75 | 30 | 5.55 | 70 | 30.20 |
12 | 0.89 | 32 | 6.31 | 75 | 34.70 |
13 | 1.04 | 34 | 7.13 | 80 | 39.50 |
14 | 1.21 | 36 | 7.99 | 85 | 44.50 |
15 | 1.39 | 38 | 8.90 | 90 | 49.90 |
16 | 1.58 | 40 | 9.86 | 95 | 55.60 |
17 | 1.78 | 42 | 10.90 | 100 | 61.70 |
18 | 2.00 | 45 | 12.50 | 120 | 88.85 |
19 | 2.23 | 48 | 14.20 | 140 | 120.93 |
20 | 2.47 | 50 | 15.40 | 150 | 138.82 |
4. Material: Mild Steel
5. Heat treatment of high quality steel:
Fire: Isothermal annealing temperature is 800 ~ 880 °C, with 10 ~ 20 °C, the furnace cooling to about 600 °C, hardness above HB269.
Preheat temperature: 730-730 °C
Quenching temperature: 1190-1210 °C
Tempering temperature: 540-595 °C
Cold drawn, hardness 285 HBS
Cold drawn after annealing condition, hardness 277 HBS
Quenching methods: oil quenching, air cooling or salt bath quenching
FAQ:
Q1: How do we guarantee the quality of our products?
A1: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q2: How soon can we receive the product after purchase?
A2: 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.
Q3: What makes stainless steel stainless?
A3: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
- Q: Can steel round bars be coated or plated?
- Yes, steel round bars can be coated or plated using a variety of methods such as electroplating, hot-dip galvanizing, or powder coating. Coating or plating steel round bars helps to enhance their corrosion resistance, improve their appearance, and provide additional durability and protection.
- Q: What is the density of a steel round bar?
- The density of a steel round bar depends on the specific type of steel being used, as there are various steel alloys with different densities. However, on average, the density of a steel round bar is usually around 7,800 kilograms per cubic meter (kg/m³).
- Q: Can steel round bars be used for decorative purposes?
- Yes, steel round bars can be used for decorative purposes. They can be shaped, polished, and designed in various patterns to enhance the aesthetic appeal of architectural elements, furniture, sculptures, and other decorative objects. The versatility and durability of steel make it a popular choice for both functional and decorative applications.
- Q: What is the modulus of elasticity of a steel round bar?
- Young's modulus, also known as the modulus of elasticity, is a crucial measure when assessing the stiffness and ability of a steel round bar to resist deformation under an external force. Generally, the modulus of elasticity for steel is around 200 GPa. Consequently, when a unit of stress is applied to the steel round bar, it will undergo an elastic deformation ranging from approximately 0.0035 to 0.005, depending on the specific grade and composition of the steel. Hence, the modulus of elasticity plays a significant role in structural and mechanical engineering applications, as it dictates the level of deflection or deformation to be expected under various loading conditions.
- Q: What is the maximum weight of a steel round bar?
- The maximum weight of a steel round bar depends on its diameter and length. Steel round bars come in various sizes and weights, so it is important to specify the dimensions in order to determine the maximum weight. The weight of a steel round bar can be calculated using the formula: weight = volume × density, where volume can be calculated as πr²h (pi times the square of the radius times the height) and density is the specific weight of steel (approximately 7850 kg/m³). By plugging in the appropriate values, you can calculate the maximum weight of a steel round bar.
- Q: What is the elongation of a steel round bar?
- The elongation of a steel round bar refers to the amount it stretches or deforms when subjected to a tensile force. It is a measure of the bar's ability to withstand tension and is typically expressed as a percentage of the original length. The elongation is determined by the material properties of the steel, including its composition, grain structure, and heat treatment. Factors such as the applied force, temperature, and speed of loading also influence the elongation. Steel round bars generally exhibit a significant elongation before reaching their breaking point, making them suitable for structural applications that require high strength and ductility.
- Q: How do you straighten steel round bars?
- To straighten steel round bars, you can use a variety of methods depending on the level of precision required and the size of the bars. Here are a few common techniques: 1. Manual Straightening: This method is suitable for smaller diameter round bars. Place the bar on a flat surface and apply pressure to the bent section using a hydraulic or manual press. Gradually increase the force until the bar is straightened. This technique is relatively simple but may not yield perfect results. 2. Heat Straightening: Heat straightening is effective for larger diameter round bars or bars with severe bends. Heat the bent section using an oxy-acetylene torch until it becomes red hot. Once heated, apply pressure in the opposite direction of the bend using hydraulic or manual tools. The heat softens the steel, allowing it to be manipulated easier. Be cautious not to overheat the steel, as it may weaken its structural integrity. 3. Roller Straightening: This method is commonly used in industrial settings and is suitable for larger diameter round bars. The bar is passed through a series of rollers that apply pressure to the bent section, gradually straightening it. This technique provides precise and uniform results but requires specialized equipment. 4. Hydraulic Press Straightening: For precision straightening, a hydraulic press can be used. Place the bar between two parallel plates and apply pressure using the hydraulic press. Gradually increase the force until the bar is straightened. This method is suitable for bars with minor bends and allows for precise control over the straightening process. It is essential to note that while these methods can straighten steel round bars, the effectiveness may vary depending on the severity of the bend, the quality of the steel, and the equipment used. It is advisable to consult with a professional or follow industry-specific guidelines to ensure safe and accurate straightening of steel round bars.
- Q: What are the options for joining steel round bars?
- There are several options for joining steel round bars, depending on the specific requirements and applications. Some common methods include welding, bolting, and adhesives. 1. Welding: Welding is a widely used method for joining steel round bars. It involves melting the ends of the bars and fusing them together using a welding process such as arc welding, MIG welding, or TIG welding. Welding provides a strong and durable joint that can withstand high loads and stresses. 2. Bolting: Bolting involves using bolts, nuts, and washers to join steel round bars. Holes are drilled through the bars, and bolts are inserted through these holes. The nuts are then tightened to secure the bars together. Bolting is a relatively simple and quick method, and it allows for disassembly and reassembly if required. 3. Adhesives: Adhesives can also be used to join steel round bars. High-strength industrial adhesives are applied to the mating surfaces of the bars, which are then pressed together and left to cure. Adhesive bonding can provide a strong and durable joint, particularly in applications where welding or bolting may not be feasible or desired. 4. Mechanical couplings: Mechanical couplings are specifically designed for joining steel round bars. These couplings typically consist of two separate components that are fitted over the ends of the bars and tightened together using screws, clamps, or other mechanical means. Mechanical couplings provide a reliable and secure joint without the need for welding or drilling. 5. Cold forming: In some cases, steel round bars can be joined through cold forming techniques such as swaging or crimping. These methods involve mechanically deforming the ends of the bars to create a tight and secure joint. Cold forming is often used in applications where welding or other traditional methods are not suitable. It is important to consider the specific requirements, load-bearing capacities, and environmental conditions when selecting the appropriate method for joining steel round bars. Consulting with a professional engineer or welder can help determine the best option based on the specific application and desired outcome.
- Q: Can steel round bars be used for making cutlery or kitchen utensils?
- Yes, steel round bars can indeed be used for making cutlery or kitchen utensils. Steel is a popular choice for kitchen utensils due to its strength, durability, and resistance to corrosion. However, the specific type of steel and the production process used will determine its suitability for culinary purposes. Stainless steel, for example, is highly recommended for cutlery and kitchen utensils as it is resistant to rust and stains, easy to clean, and does not react with food. Additionally, steel round bars can be easily shaped and formed into various utensil designs, making them a versatile material for cutlery and kitchenware manufacturing.
- Q: Are steel round bars suitable for use in the construction of bridges?
- Yes, steel round bars are suitable for use in the construction of bridges. Steel round bars offer several advantages that make them an ideal choice for bridge construction. Firstly, steel round bars have high tensile strength, which means they can withstand heavy loads and forces without deforming or breaking. This is crucial for bridges as they need to support the weight of vehicles and pedestrians crossing over them. The high tensile strength of steel round bars ensures the structural integrity and safety of the bridge. Additionally, steel round bars have excellent durability and corrosion resistance. Bridges are often exposed to harsh environmental conditions, such as rain, snow, and saltwater, which can lead to corrosion and degradation of materials. However, steel round bars are specifically designed to resist corrosion, ensuring the longevity and reliability of the bridge. Moreover, steel round bars are readily available in various sizes and lengths, making them versatile and adaptable for different bridge designs and configurations. Their uniform circular shape also simplifies the construction process, as they can be easily cut, bent, and welded to fit the required specifications. Furthermore, steel round bars offer cost-effectiveness in bridge construction. They have a favorable strength-to-weight ratio, meaning they can provide the necessary strength while minimizing the overall weight of the bridge. This reduces the amount of material needed and lowers transportation costs during construction. In conclusion, steel round bars are highly suitable for use in the construction of bridges due to their high tensile strength, durability, corrosion resistance, versatility, and cost-effectiveness. They provide the necessary strength and reliability to support heavy loads and withstand harsh environmental conditions, ensuring the safety and longevity of the bridge.
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Round Bar Hot Rolled High Quality 3MM-25MM
- 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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