Special Steel Round Bar

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Product Description:

OKorder is offering Special Steel Round Bar 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:

Special Steel Round Bar are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.

Product Advantages:

OKorder's Special Steel Round Bar 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:

Manufacture: Hot rolled

Grade: Q195 – 235

Certificates: ISO, SGS, BV, CIQ

Length: 6m – 12m, as per customer request

Packaging: Export packing, nude packing, bundled

Chinese Standard (HWT)	Weight (Kg/m)	6m (pcs/ton)	Light I (HWT)	Weight (Kg/m)	6m (pcs/ton)	Light II (HWT)	Weight (Kg/m)	6M
100684.5	11.261	14.8	100664.3	10.13	16.4	100644	8.45	19.7
120745.0	13.987	11.9	120724.8	12.59	13.2	120704.5	10.49	15.8
140805.5	16.89	9.8	140785.3	15.2	10.9	140765	12.67	13.1
160886	20.513	8.1	160865.8	18.46	9	160845.5	15.38	10.8
180946.5	24.143	6.9	180926.3	21.73	7.6	180906	18.11	9.2
2001007	27.929	5.9	200986.8	25.14	6.6	200966.5	20.95	7.9
2201107.5	33.07	5	2201087.3	29.76	5.6	2201067	24.8	6.7
2501168	38.105	4.3	2501147.8	34.29	4.8	2501127.5	28.58	5.8
2801228.5	43.492	3.8	2801208.2	39.14	4.2	2801208	36.97	4.5
3001269	48.084	3.4	3001249.2	43.28	3.8	3001248.5	40.87	4
3201309.5	52.717	3.1	3201279.2	48.5	3.4
36013610	60.037	2.7	3601329.5	55.23	3

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.

Q4: What makes stainless steel stainless?

A4: 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.

Q5: Can stainless steel rust?

A5: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface.

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Special Steel Round Bar

Q: What is the difference between a solid steel round bar and a hollow steel round bar?: A solid steel round bar is a cylindrical metal rod with a consistent diameter along its entire length. It is made of solid steel and does not have any empty space inside. On the other hand, a hollow steel round bar also has a cylindrical shape but contains an empty space within its center. The size of this empty space can vary depending on the design and purpose of the bar. The main difference between the two lies in their structural integrity and weight-bearing capacity. A solid steel round bar offers greater strength and stability compared to a hollow steel round bar. This is because the solid bar is made of continuous steel material, making it more resistant to pressure-induced bending, twisting, or deformations. It is commonly used in industries that require high strength and durability, such as construction, engineering, and manufacturing. In contrast, a hollow steel round bar may have reduced strength and load-bearing capacity due to the empty space inside. However, the hollow design provides certain benefits in terms of weight, cost, and flexibility. The hollow space reduces the overall weight of the bar, making it suitable for applications where weight is a critical factor, such as aerospace or automotive industries. Moreover, the hollow space can be utilized for various purposes, such as passing electrical wires or fluids, providing ventilation, or reducing material costs by using less steel. Ultimately, the choice between a solid steel round bar and a hollow steel round bar depends on the specific requirements of the application. If strength and stability are crucial, a solid bar is the preferred choice. In contrast, if weight reduction, cost-efficiency, or additional functionality is desired, a hollow bar may be more suitable.

Q: What are the disadvantages of using steel round bars?: Using steel round bars in certain applications has several drawbacks. Firstly, they are relatively heavy compared to materials like aluminum or plastic, which can be problematic when weight restrictions or easy transportation are important factors. Secondly, steel round bars are prone to corrosion, particularly in environments with high moisture, humidity, or exposure to certain chemicals. This can cause the material to degrade over time, reducing its strength and durability. To address this issue, additional measures such as coatings or regular maintenance may be necessary, increasing the overall cost and effort. Moreover, steel round bars may not be suitable for applications that require electrical insulation due to their conductivity. This can be a disadvantage when electrical conductivity needs to be avoided. Lastly, steel round bars may not be as visually appealing as materials like wood or decorative metals. While this may not be a significant drawback in some applications, it can be a disadvantage in situations where aesthetics are important, such as architectural or interior design projects. In conclusion, while steel round bars have widespread use and offer numerous advantages such as high strength and durability, it is crucial to consider these disadvantages in specific applications to ensure the most suitable choice of materials.

Q: What is the difference between seamless and welded steel round bars?: The manufacturing process and resulting characteristics distinguish seamless and welded steel round bars. Seamless bars undergo a process where a solid billet of steel is pierced to form a hollow tube. This tube is then elongated and further processed to achieve the desired dimensions and surface finish. The seamless manufacturing process guarantees a bar without any welds or joints along its length. Consequently, seamless steel round bars possess a uniform composition and structure throughout, ensuring exceptional strength and reliability. They are particularly favored for applications involving high pressure or high temperatures, as they display superior resistance to internal and external pressure. In contrast, welded steel round bars are produced by combining two or more steel pieces through welding techniques. This involves heating the ends of the steel pieces and fusing them together using various welding methods, such as arc welding, resistance welding, or fusion welding. The welding process introduces a weld seam along the length of the bar, which has the potential to impact its structural integrity and mechanical properties. Welded steel round bars may exhibit slightly lower strength and toughness compared to seamless bars due to the presence of the weld seam, which can create stress concentrations. Nonetheless, they are generally more cost-effective and readily available in a wide range of sizes and grades. To summarize, the primary distinction between seamless and welded steel round bars lies in their manufacturing process and resulting characteristics. Seamless bars are created through the piercing of a solid billet, ensuring a uniform composition and strength throughout, which makes them suitable for high-pressure and high-temperature applications. On the other hand, welded bars are formed by joining multiple steel pieces through welding, introducing a weld seam that may slightly affect their strength and toughness. Welded bars are often more cost-effective and available in various sizes and grades.

Q: Can steel round bars be coated or painted?: Yes, steel round bars can be coated or painted. Coating or painting steel round bars can provide protection against corrosion, enhance aesthetics, and improve durability.

Q: What are the typical yield strengths of different grades of steel round bars?: The specific grade of steel can cause the yield strength of steel round bars to vary. Here are some common yield strengths for different grades of steel round bars: - Mild steel round bars usually have a yield strength of approximately 250 MPa (megapascals) or 36,000 psi (pounds per square inch). - The yield strength of carbon steel round bars can range from 350 to 550 MPa or 50,000 to 80,000 psi. - Compared to mild or carbon steel, alloy steel round bars such as 4140 or 4340 generally have higher yield strengths. The yield strength of these alloys can vary from 550 to 850 MPa or 80,000 to 120,000 psi. - Stainless steel round bars are available in different grades, and their yield strengths can vary accordingly. For instance, austenitic stainless steels like 304 or 316 usually have yield strengths ranging from 200 to 300 MPa or 29,000 to 43,000 psi. Conversely, duplex stainless steels like 2205 or 2507 can have higher yield strengths of 450 to 650 MPa or 65,000 to 95,000 psi. It is important to keep in mind that these values are typical ranges, and the actual yield strength of a specific grade of steel round bar may differ due to factors such as heat treatment, manufacturing process, and other variables. Therefore, it is always advisable to consult the manufacturer's specifications or industry standards for accurate and precise yield strength values of steel round bars.

Q: Can steel round bars be used in corrosive environments?: Steel round bars can be used in corrosive environments depending on the specific grade of steel and the severity of the corrosive conditions. Stainless steel round bars, for example, have high resistance to corrosion and are commonly used in corrosive environments. However, regular carbon steel round bars may be susceptible to corrosion and would require additional protective coatings or treatments to be used effectively in such conditions.

Q: What are the advantages of using nickel-chromium-silicon alloy steel round bars?: There are several advantages of using nickel-chromium-silicon alloy steel round bars: 1. High temperature resistance: Nickel-chromium-silicon alloy steel round bars have excellent resistance to high temperatures, making them ideal for applications that involve exposure to extreme heat. They can withstand temperatures up to 1200°C without losing their strength or structural integrity. 2. Corrosion resistance: These alloy steel round bars have good corrosion resistance, particularly in environments where they are exposed to acids, alkalis, and other corrosive substances. This makes them suitable for use in industries such as chemical processing, oil and gas, and marine applications. 3. High strength and durability: Nickel-chromium-silicon alloy steel round bars have high tensile strength and toughness, which allows them to withstand heavy loads and resist deformation. They are known for their exceptional durability and long service life, even under demanding conditions. 4. Excellent mechanical properties: These alloy steel round bars exhibit excellent mechanical properties, including good ductility, impact resistance, and fatigue strength. This makes them suitable for various applications that require high performance and reliability, such as structural components, machine parts, and tools. 5. Ease of fabrication: Nickel-chromium-silicon alloy steel round bars can be easily machined, welded, and formed into various shapes and sizes. This allows for greater design flexibility and ease of fabrication, making them a preferred choice for manufacturers. 6. Cost-effective: Despite their numerous advantages, nickel-chromium-silicon alloy steel round bars are relatively cost-effective compared to other high-performance materials. Their long service life and resistance to wear and tear make them a cost-efficient choice in the long run, as they reduce the need for frequent replacements and maintenance. Overall, the advantages of using nickel-chromium-silicon alloy steel round bars make them an excellent choice for applications that require high temperature resistance, corrosion resistance, strength, durability, and ease of fabrication.

Q: What is the difference between a rough turned and a centerless ground steel round bar?: A rough turned steel round bar is a type of steel bar that has been partially machined to remove excess material and create a rough surface finish. It undergoes a turning process on a lathe, which removes the outer layer of the steel bar to achieve a specific diameter and shape. On the other hand, a centerless ground steel round bar is a type of steel bar that has undergone a precise grinding process to achieve a smooth and polished finish. This process involves feeding the steel bar through a centerless grinder, which removes any imperfections or irregularities on the outer surface, resulting in a consistently smooth and uniform diameter. In summary, the main difference between a rough turned and a centerless ground steel round bar lies in the level of surface finish and precision. Rough turned bars have a rougher surface finish and are not as precisely sized as centerless ground bars, which have a smooth, polished finish and are manufactured with tighter tolerances.

Q: Can steel round bars be used in the production of agricultural machinery?: Indeed, the utilization of steel round bars is applicable in the fabrication process of agricultural machinery. Owing to their robustness, longevity, and adaptability, steel round bars are frequently employed in the creation of diverse agricultural machinery elements and constituents. These bars serve as ideal materials for constructing pivotal parts like axles, shafts, gears, and brackets, which are indispensable for the smooth functioning of agricultural machinery. It is worth noting that steel round bars can be effortlessly machined and welded to meet precise design prerequisites, rendering them an optimal selection for manufacturers involved in agricultural machinery production.

Q: How strong are steel round bars compared to other materials?: Steel round bars are known for their exceptional strength and durability, making them one of the strongest materials available. Compared to other materials such as aluminum, brass, and wood, steel round bars have a significantly higher tensile strength, which refers to the amount of pulling force a material can withstand without breaking. Steel round bars can also handle higher compressive loads, making them ideal for applications where heavy loads or pressure is involved. In addition to their high strength, steel round bars also exhibit excellent ductility, which means they can be easily shaped or bent without breaking. This characteristic makes steel round bars versatile and widely used in various industries such as construction, automotive, manufacturing, and aerospace. While other materials may have their own unique properties and applications, steel round bars remain a top choice when it comes to strength and reliability. Their ability to withstand high loads, resist deformation, and maintain structural integrity make them a popular choice for structural components, shafts, axles, and many other demanding applications.

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