Round Bar Hot Rolled High Quality Q195 Q235 8MM-22MM
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Product Description:
OKorder is offering Round Bar Hot Rolled High Quality Q195 Q235 8MM-22MM 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 Round Bar Hot Rolled High Quality Q195 Q235 8MM-22MM 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: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: How do you package the angle steel when shipping?
A2: All goods are packed in bundles with steel strips and shipped by container or break bulk.
Q3: The products are invoicing on theoritical weight or on actual weight?
A3: We can do it in both manners, according to the customers' request.
- Q:What is the maximum temperature a steel round bar can withstand?
- The maximum temperature a steel round bar can withstand depends on several factors such as the specific type of steel, its composition, and the intended application. Generally, most common grades of steel have a maximum temperature limit of around 1,200 to 1,400 degrees Fahrenheit (650 to 760 degrees Celsius). However, some stainless steels can withstand higher temperatures, reaching up to 2,200 degrees Fahrenheit (1,200 degrees Celsius). Additionally, specialized heat-resistant alloys such as Inconel or Hastelloy can withstand even higher temperatures, up to 2,500 degrees Fahrenheit (1,370 degrees Celsius) or more. It is crucial to consult the manufacturer's specifications or conduct thorough research to determine the precise maximum temperature limit for a specific steel round bar in order to ensure its safe and efficient use.
- Q:Are steel round bars suitable for electrical applications?
- Steel round bars can be suitable for electrical applications depending on the specific requirements and conditions. Steel is known for its excellent conductivity, strength, and durability, making it a popular choice for various electrical applications. However, it is important to consider a few factors before using steel round bars in electrical applications. First, steel is a good conductor but not as good as other materials like copper or aluminum. Consequently, its use in electrical applications may result in higher resistance and energy loss compared to these more conductive materials. Additionally, steel round bars may be prone to corrosion, especially in humid or corrosive environments. This can affect the overall performance and longevity of the electrical system. In such cases, proper insulation or protective coatings may be necessary to prevent corrosion and ensure the reliability of the electrical application. In summary, while steel round bars can be suitable for electrical applications due to their conductivity, strength, and durability, it is essential to consider factors such as conductivity, corrosion resistance, and overall system requirements before utilizing them.
- Q:Can steel round bars be used for construction purposes?
- Yes, steel round bars can be used for construction purposes. They are commonly used for structural applications such as building frames, bridges, and various types of infrastructure due to their strength, durability, and versatility. Steel round bars provide a reliable and cost-effective solution for construction projects.
- Q:What are the different surface treatments available for tool steel round bars?
- There are several surface treatments available for tool steel round bars, which are used to enhance the performance, durability, and overall quality of the steel. Some of the common surface treatments for tool steel round bars include: 1. Nitriding: This process involves exposing the tool steel to a nitrogen-rich environment at high temperatures. It forms a hard surface layer that improves wear resistance and reduces friction. 2. Coating: Tool steel round bars can be coated with various materials such as titanium nitride (TiN), titanium carbonitride (TiCN), or chromium nitride (CrN). These coatings provide excellent resistance to wear, corrosion, and heat. 3. Black oxide: It is a chemical treatment that forms a black oxide layer on the surface of the tool steel. This treatment improves corrosion resistance and reduces the risk of rusting. 4. Heat treatment: Tool steel round bars can undergo heat treatment processes such as annealing, tempering, or quenching. These treatments help to improve the hardness, strength, and toughness of the steel. 5. Surface grinding: This process involves removing a thin layer of material from the surface of the tool steel. It helps to achieve a smooth and polished surface, enhancing the aesthetics and reducing the risk of surface defects. 6. Shot peening: It is a process where small metal or ceramic particles are propelled onto the surface of the tool steel at high velocity. This treatment induces compressive stress, improving the fatigue resistance and extending the lifespan of the steel. 7. Electropolishing: This treatment involves immersing the tool steel in an electrolyte bath and applying an electric current. It helps to remove surface imperfections, enhance the surface finish, and improve corrosion resistance. These surface treatments can be chosen based on the specific requirements and applications of the tool steel round bars. Each treatment offers unique benefits and can significantly enhance the performance and longevity of the tool steel.
- Q:What are the advantages of using magnesium-alloy steel round bars?
- Using magnesium-alloy steel round bars offers several benefits: 1. They are lightweight, making them ideal for industries that require weight reduction, such as aerospace and automotive. 2. Despite being lightweight, they have a high strength-to-weight ratio, ensuring structural integrity under high loads. 3. They have excellent corrosion resistance, making them suitable for outdoor and marine applications. 4. They are known for their superior machinability, allowing for precise and complex component manufacturing. 5. They effectively dissipate heat, making them ideal for applications that require heat management. 6. They contribute to a more sustainable and environmentally friendly manufacturing process due to magnesium's recyclability. 7. While they may have a higher initial cost, their lightweight nature leads to cost savings in transportation and installation. Additionally, their corrosion resistance and durability reduce long-term maintenance and replacement costs. In conclusion, magnesium-alloy steel round bars offer advantages such as lightweight, high strength-to-weight ratio, corrosion resistance, machinability, heat dissipation, eco-friendliness, and cost-effectiveness. They are highly desirable for industries that prioritize weight reduction, performance, and durability.
- Q:What is the maximum length of a steel round bar?
- The maximum length of a steel round bar can vary depending on several factors such as the diameter of the bar, the manufacturing capabilities of the steel supplier, and the transportation limitations. Generally, steel round bars are produced in standard lengths that range from 6 to 12 meters (20 to 40 feet). However, it is possible to manufacture longer bars through special processes or by joining multiple bars together using welding techniques. In some cases, steel round bars can be custom-made to exceed standard lengths, but this would require specific arrangements with the supplier and considerations for logistics and handling during transportation. Ultimately, the maximum length of a steel round bar is determined by practical limitations and the specific requirements of the project or application.
- Q:What is the maximum weight of a steel round bar?
- The maximum weight of a steel round bar is determined by its diameter and length. Steel round bars are available in different sizes and weights, thus it is crucial to specify the dimensions to determine the maximum weight. To calculate the weight of a steel round bar, the formula weight = volume × density is utilized. The volume can be calculated as πr²h (pi multiplied by the radius squared times the height), and the density represents the specific weight of steel, which is approximately 7850 kg/m³. By inputting the suitable values, one can determine the maximum weight of a steel round bar.
- Q:Can steel round bars be used in the manufacturing of automotive parts?
- Indeed, the utilization of steel round bars in the production of automotive parts is possible. These bars possess numerous advantages that render them suitable for this purpose. Primarily, steel, being a robust and long-lasting material, is ideal for automotive components that necessitate high strength and structural integrity. Furthermore, steel round bars can be easily machined and shaped into various forms and sizes, facilitating the creation of customized automotive parts. Moreover, steel exhibits excellent resistance to heat and can endure high temperatures, making it appropriate for engine components and other parts exposed to extreme heat. Lastly, steel is a cost-effective material, which contributes to its popularity in the automotive industry. In conclusion, steel round bars are a dependable and versatile option when it comes to the manufacturing of automotive parts.
- Q:What are the different types of steel round bar alloys for improved wear resistance?
- There are several different types of steel round bar alloys that are specifically designed to improve wear resistance. These alloys are formulated to have enhanced hardness and toughness, making them suitable for applications where the material is subjected to constant friction or abrasive forces. One common alloy is tool steel, which includes variations such as H13, D2, and A2. Tool steel is known for its high hardness, excellent wear resistance, and good toughness. It is often used in applications such as molding and forming tools, cutting tools, and dies. Another alloy for improved wear resistance is stainless steel. Stainless steel round bars are corrosion-resistant and have good strength properties. They are commonly used in applications like food processing equipment, medical devices, and marine components. Abrasion-resistant steel, also known as AR steel, is another type of alloy used for improved wear resistance. AR steel is specially formulated to withstand impact and abrasion, making it ideal for applications such as mining equipment, construction machinery, and material handling systems. Manganese steel is another alloy that provides excellent wear resistance. It is commonly used in applications involving high impact and abrasive wear, such as crusher jaws, railroad crossings, and excavator buckets. Lastly, there are specialty alloys such as chrome-moly steel (chromium-molybdenum) and nickel-chromium alloys, which offer superior wear resistance in specific conditions. These alloys are often used in high-temperature applications, such as aerospace components, power generation equipment, and automotive parts. In summary, the different types of steel round bar alloys for improved wear resistance include tool steel, stainless steel, abrasion-resistant steel, manganese steel, and specialty alloys. Each alloy has its own unique properties and is suited for specific applications where wear resistance is a critical requirement.
- Q:Difference between cold drawn round steel and round steel
- There are different reasons for the residual stress in hot rolled and cold-rolled steel sections, so the distribution of the residual stresses is also quite different. The residual cold-formed steel section stress distribution is curved, and hot rolled steel or steel welding section on the residual stress distribution is thin.
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Round Bar Hot Rolled High Quality Q195 Q235 8MM-22MM
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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