Round Bar High Quality Q195 Q235 5MM-28MM Hot Rolled
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Product Description:
OKorder is offering high quality Round Bar High Quality Q195 Q235 5MM-28MM Hot Rolledat 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 High Quality Q195 Q235 5MM-28MM Hot Rolledare 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: What are the typical hardness values for different grades of steel round bars?
- The typical hardness values for different grades of steel round bars can vary depending on the specific grade and manufacturing process. However, common ranges for hardness values in steel round bars can be between 200 and 400 on the Brinell hardness scale.
- Q: What are the different types of finishes available for steel round bars?
- Steel round bars offer a variety of finishes, each with its own unique properties and appearance. 1. Mill Finish: The most commonly used finish is the mill finish, where the steel is left in its natural state after rolling and cooling. This results in a rough texture and the possibility of surface imperfections. 2. Hot Rolled Finish: Achieved by heating the steel to high temperatures and shaping it through rolling. This finish provides a smooth surface and is typically used in applications where aesthetics are not a priority. 3. Cold Drawn Finish: Involves pulling the steel through a die to reduce its diameter and increase its length. This finish offers a smooth surface, improved dimensional accuracy, and tighter tolerances. 4. Polished Finish: Steel round bars can be polished to achieve a smooth and reflective surface. This is done using abrasive materials or compounds to remove imperfections and enhance appearance. 5. Ground Finish: A process that involves removing a thin layer of material from the steel surface using abrasive grinding wheels. This creates a smooth and even finish suitable for applications that require precise dimensions and tight tolerances. 6. Coated Finish: Steel round bars can be coated with different materials for added protection against corrosion or to enhance appearance. Common coatings include galvanization, which applies a layer of zinc, and powder coating, which provides durability and a decorative finish. When choosing a finish for a steel round bar, it is important to consider the specific application and desired properties. Factors such as corrosion resistance, aesthetics, dimensional accuracy, and surface quality should be taken into account.
- Q: What are the different types of steel round bar surface treatments used in the aerospace industry?
- In the aerospace industry, the different types of steel round bar surface treatments commonly used include various coatings such as nickel plating, chrome plating, zinc plating, and anodizing. These treatments are applied to enhance the corrosion resistance, improve the durability, and provide a visually appealing finish to the steel round bars used in aerospace applications.
- Q: How do you calculate the deflection of a steel round bar?
- To calculate the deflection of a steel round bar, you need to consider various factors such as the bar's length, diameter, and the applied load. The deflection of a bar refers to the amount it bends or flexes under a specific load. The deflection can be determined using the formula for beam deflection, which is derived from Euler-Bernoulli beam theory. The formula is as follows: δ = (F * L^3) / (48 * E * I) Where: - δ represents deflection - F is the applied load - L is the length of the bar - E is the modulus of elasticity of the steel material - I is the moment of inertia of the round bar To calculate the moment of inertia (I) for a round bar, you can use the formula: I = (π * D^4) / 64 Where: - I is the moment of inertia - D is the diameter of the round bar By substituting the values into the formula, you can calculate the deflection of the steel round bar under the given load. It is important to note that these calculations assume the bar is perfectly elastic and obeys the principles of linear elasticity.
- Q: What are steel round bars?
- Made from steel, steel round bars are long, cylindrical metal bars that find applications in various industries such as construction, manufacturing, and engineering. Renowned for their strength, durability, and versatility, these bars are produced through a hot rolling process. This involves heating a solid steel billet and passing it through a series of rollers to achieve the desired shape and size. Available in a range of sizes and grades, steel round bars possess different properties depending on their specific application. They serve as structural components in buildings, shafts in machinery, support bars in concrete structures, and raw material for the production of other steel products. The construction and manufacturing sectors widely prefer steel round bars due to their high tensile strength and corrosion resistance.
- Q: What is the weight of a steel round bar?
- The weight of a steel round bar is determined by its dimensions, specifically its diameter and length. You can determine the weight using the formula: weight = volume × density. To determine the volume of the steel round bar, you can use the formula for the volume of a cylinder: volume = π × (diameter/2)^2 × length. Here, π represents a mathematical constant approximately equal to 3.14159. The density of steel varies depending on the type and grade, but it typically falls around 7.85 grams per cubic centimeter (g/cm³) or 7850 kilograms per cubic meter (kg/m³). By substituting the appropriate values into the formula, you can calculate the weight of the steel round bar in the desired unit, such as grams, kilograms, pounds, and so on.
- Q: What are the different grades of steel used for round bars?
- There are several different grades of steel that are commonly used for round bars. These grades vary in their composition and properties, making them suitable for different applications. Some of the most common grades of steel used for round bars include: 1. Mild Steel (Low Carbon Steel): This is the most basic and widely used grade of steel. It has a low carbon content, which makes it easy to work with and relatively inexpensive. Mild steel round bars are commonly used in construction, automotive, and general engineering applications. 2. Carbon Steel: This grade of steel contains higher levels of carbon than mild steel, giving it improved strength and hardness. Carbon steel round bars are often used in high-stress applications, such as structural components, axles, and shafts. 3. Alloy Steel: Alloy steel round bars are made by adding various alloying elements, such as chromium, nickel, or molybdenum, to the base steel. This enhances the strength, toughness, and corrosion resistance of the material. Alloy steel round bars are commonly used in aerospace, automotive, and machinery industries. 4. Stainless Steel: Stainless steel is a corrosion-resistant grade of steel that contains high levels of chromium. It is known for its excellent strength, durability, and resistance to rust and staining. Stainless steel round bars are widely used in the food industry, marine applications, and architectural components. 5. Tool Steel: Tool steel round bars are specifically designed to have high hardness, wear resistance, and heat resistance. They are commonly used in the manufacturing of cutting tools, dies, and molds. These are just a few examples of the different grades of steel used for round bars. Each grade offers unique properties and characteristics, allowing for a wide range of applications across various industries.
- Q: Can steel round bars be used in the manufacturing of tools?
- Yes, steel round bars can be used in the manufacturing of tools. Steel is a strong and durable material that can be easily shaped and manipulated into various tool designs, making it a popular choice in tool manufacturing. Additionally, steel's high tensile strength and resistance to corrosion make it ideal for tools that require strength and longevity.
- Q: Can steel round bars be used for making wheel hubs?
- Yes, steel round bars can be used for making wheel hubs. Steel round bars are a common choice for manufacturing wheel hubs due to their strength and durability. The round shape of the bars allows for easy machining and shaping into the required design for the wheel hub. Steel is known for its high tensile strength and resistance to wear and tear, making it an ideal material for wheel hubs that need to withstand the heavy loads and constant rotation of the wheels. Additionally, steel is readily available and relatively cost-effective compared to other materials, making it a popular choice in the automotive industry for wheel hub production.
- Q: What are the different types of steel round bar shapes?
- There is a wide range of steel round bar shapes to choose from, each possessing its own distinctive characteristics and uses. Some commonly seen types include: 1. Round: This shape is the most commonly used and versatile for steel round bars. It takes on a cylindrical form and finds application in various industries like construction, manufacturing, and automotive. 2. Square: Square steel round bars feature four equal sides and are often employed when a robust and sturdy form is needed. They are frequently utilized in construction, architectural designs, and machinery. 3. Hexagonal: Hexagonal steel round bars boast six sides, setting them apart with their unique shape. They are often selected for applications requiring high strength and corrosion resistance, such as aerospace, defense, and oil and gas industries. 4. Flat: Flat steel round bars exhibit a rectangular cross-section with flat top and bottom surfaces. They are commonly used when a broad, level surface is desired, as in construction, machinery, and manufacturing sectors. 5. Half Round: Half-round steel round bars adopt a semicircular shape with a flat base. They are frequently employed for handrails, fencing, and decorative purposes. 6. D-shaped: D-shaped steel round bars possess a flat bottom surface and a curved top surface, resembling the letter "D". They are often favored when a sturdy yet lightweight structure is required, such as in automotive frames and chassis. These examples merely scratch the surface of the various steel round bar shapes available. The choice of shape hinges upon the specific requirements of the application, encompassing factors like strength, durability, corrosion resistance, and aesthetic appeal.
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Round Bar High Quality Q195 Q235 5MM-28MM Hot Rolled
- 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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