Round Bar High Quality Hot Rolled Q195 Q235 5-28MM
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Product Description:
OKorder is offering high quality Round Bar High Quality Hot Rolled Q195 Q235 5-28MMat 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.
ProdudAvantagesct :
OKorder's Round Bar High Quality Hot Rolled Q195 Q235 5-28MMare 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 we guarantee the quality of our products?
A2: 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.
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 suitable for use in the construction industry?
- Yes, steel round bars are commonly used in the construction industry due to their strength, durability, and versatility. They provide structural support in various applications such as reinforcement in concrete, framing, and the creation of beams and columns. Additionally, steel round bars can be easily fabricated, welded, and formed into different shapes, making them a suitable choice for a wide range of construction projects.
- Q: What is the difference between a rough turned and a centerless ground steel round bar?
- A rough turned steel round bar is a steel bar that has been machined to a standard size and shape using a lathe or turning machine. This involves removing excess material from the bar's surface to achieve the desired diameter and smoothness. The resulting rough turned bar may still have minor imperfections or variations in size and surface finish. On the contrary, a centerless ground steel round bar undergoes a different manufacturing process. This process involves feeding the steel bar through two rotating wheels - a grinding wheel and a regulating wheel. The grinding wheel removes material from the bar's surface to achieve a precise diameter, while the regulating wheel controls the bar's feed rate. This process ensures precise tolerances, an excellent surface finish, and a consistent diameter along the entire length of the bar. In conclusion, the primary distinction between a rough turned and a centerless ground steel round bar lies in the manufacturing process and resulting quality. While a rough turned bar is machined to a standard size and shape with some imperfections, a centerless ground bar undergoes a more precise grinding process to achieve a highly accurate diameter, excellent surface finish, and consistent dimensions throughout the bar.
- Q: How do steel round bars perform under torsion or twisting forces?
- Steel round bars perform very well under torsion or twisting forces due to their high tensile strength and excellent resistance to deformation. They have a strong resistance to twisting and can withstand significant torque without breaking or deforming. This makes them suitable for applications where torsional stresses are involved, such as in shafts, axles, and other mechanical components.
- Q: What is the difference between a rough turned and a seamless steel round bar?
- A rough turned steel round bar refers to a metal bar that has undergone a preliminary turning process, where excess material is removed to achieve a rougher surface finish. This process helps to create a more uniform diameter and removes any surface imperfections or irregularities. Rough turned bars are commonly used in applications where a smooth surface finish is not a requirement, such as in manufacturing machinery or agricultural equipment. On the other hand, a seamless steel round bar is a solid metal bar that is formed without any welding or seams. It is manufactured through a process called piercing, where a solid billet is heated and then pierced with a mandrel to create a hollow tube. The tube is then elongated and reduced in diameter through a series of rolling and drawing processes until it reaches the desired dimensions. Seamless round bars are known for their superior strength and resistance to corrosion, making them suitable for applications where a high level of performance is required, such as in the oil and gas industry or automotive manufacturing. In summary, the main difference between a rough turned and a seamless steel round bar lies in their manufacturing processes and surface finishes. Rough turned bars are created by removing excess material to achieve a rougher surface finish, while seamless bars are formed without any welding or seams, resulting in a smooth and continuous surface.
- Q: How do steel round bars compare to aluminum round bars?
- Steel round bars and aluminum round bars have several key differences in terms of their properties and applications. Strength and durability: Steel round bars are generally stronger and more durable than aluminum round bars. Steel has a higher tensile strength and can withstand higher loads and stresses compared to aluminum. This makes steel round bars suitable for heavy-duty applications where strength and durability are critical, such as construction projects or manufacturing machinery. Aluminum round bars, on the other hand, are less strong and more prone to bending or breaking under heavy loads, so they are typically used in lighter applications or where weight savings are important. Weight: Aluminum round bars are significantly lighter than steel round bars. This makes aluminum a popular choice in industries where weight is a crucial factor, such as aerospace or automotive manufacturing. The lightweight nature of aluminum round bars also makes them easier to handle and transport. Corrosion resistance: Aluminum round bars have excellent corrosion resistance due to the formation of a protective oxide layer on their surface. This oxide layer acts as a barrier, preventing further corrosion and making aluminum ideal for outdoor applications or in environments with high humidity or exposure to chemicals. Steel round bars, on the other hand, are more prone to rust and corrosion, so they require protective coatings or treatments to enhance their resistance to corrosion. Cost: Steel round bars are generally more cost-effective compared to aluminum round bars. Steel is a widely available and commonly used material, making it more affordable in most cases. Aluminum, on the other hand, is more expensive due to its production process and the higher energy requirements involved. Thermal conductivity: Aluminum round bars have excellent thermal conductivity, meaning they can efficiently transfer heat. This makes them suitable for applications where heat dissipation is crucial, such as heat sinks or electrical conductors. Steel round bars, while conducting heat to some extent, have lower thermal conductivity compared to aluminum. In summary, steel round bars are stronger, more durable, and cost-effective, making them suitable for heavy-duty applications. Aluminum round bars, on the other hand, are lighter, have excellent corrosion resistance, and superior thermal conductivity, making them ideal for lightweight applications and industries where weight savings or heat dissipation are critical. Ultimately, the choice between steel and aluminum round bars depends on the specific requirements of the application.
- Q: What is the difference between a bright and a hot rolled steel round bar?
- The difference between a bright and a hot rolled steel round bar lies in their manufacturing processes and resulting characteristics. A hot rolled steel round bar is produced by heating the steel billet or ingot to a high temperature and then rolling it through a series of rolling mills to achieve the desired shape. This process results in a rough surface texture with a scale layer on the outside. Hot rolled steel bars are typically used for structural applications where strength and durability are important. They are known for their rough appearance and may require further processing, such as grinding or machining, to achieve a smooth surface finish. On the other hand, a bright steel round bar, also known as a cold drawn or cold finished bar, is produced by drawing the hot rolled steel bar through a series of dies at room temperature. This process helps to improve the dimensional accuracy, surface finish, and mechanical properties of the steel. The resulting bright steel bar has a smooth and shiny surface, free from scale or rough texture. Bright steel bars are commonly used in applications where a superior surface finish and tight dimensional tolerances are required, such as in the manufacturing of precision components or for decorative purposes. In summary, the main difference between a bright and a hot rolled steel round bar lies in their surface finish, dimensional accuracy, and applications. Hot rolled steel bars have a rough surface texture and are suitable for structural applications, while bright steel bars have a smooth and shiny surface finish, making them ideal for precision or decorative applications.
- Q: Can steel round bars be used in the production of machinery?
- Indeed, machinery production can utilize steel round bars. In the manufacturing industry, steel round bars find widespread application, particularly in the creation of machinery. Steel's exceptional strength and durability render it an ideal material for constructing machine components necessitating both resilience and rigidity. Through machining, shaping, and welding, steel round bars can be transformed into an array of parts, including shafts, gears, axles, and structural components. By employing steel round bars, the dependability and longevity of machinery are guaranteed, positioning it as a favored choice across numerous industries.
- Q: What are the different surface treatments available for alloy steel round bars?
- Some of the different surface treatments available for alloy steel round bars include black oxide coating, galvanization, chrome plating, nitriding, and powder coating. Each treatment offers unique benefits such as enhanced corrosion resistance, improved wear resistance, increased hardness, and aesthetic appeal. The choice of surface treatment depends on the specific requirements and desired performance characteristics of the alloy steel round bars.
- Q: What are the typical price ranges for steel round bars?
- The typical price ranges for steel round bars vary depending on factors such as the diameter, length, grade, and market conditions. However, generally speaking, the price range for steel round bars can range from $0.50 to $3 per pound or more.
- Q: What is the maximum nickel content allowed for steel round bars?
- The maximum nickel content allowed for steel round bars typically varies depending on the specific grade and industry standards. However, in general, the nickel content in steel round bars is usually limited to around 2-3% to maintain desirable mechanical properties and prevent excessive hardening.
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Round Bar High Quality Hot Rolled Q195 Q235 5-28MM
- 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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