Round Bar Reliable Manufacturer with Standard High Quality

Round Bar Reliable Manufacturer with Standard High Quality System 1

Round Bar Reliable Manufacturer with Standard High Quality System 2

Round Bar Reliable Manufacturer with Standard High Quality

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 77 m.t.

Supply Capability:: 2000000 m.t./month

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Description of steel round bar:

Process:Hot rolled,cold drawn,forged,wrought

Festures of steel round bar:

Inspection: 100% UT test, mill test certificate, third party inspection such as SGS,BV etc.

Packing: In bundle, tied by steel straps, covered with protecting film. Use wooden box.

Specifications of steel round bar:

Description	steel round bar
Material	ASTM /AISI	1005,1006,1008,1010,1015,1020,1025,1030,1035, 1040,1045,1050,1055,1060,1065,1070,1080,1084
Material	DIN	Ck10,Ck15,Ck22,Ck25,Ck30,Ck35,Ck40,Ck45,Ck50, 30Mn4,40Mn4,1.7225,1.7220,1.7218,1.7016,1.6523
Standard	GB/T799,ASTM A29,A36,A108,A321,A575,BS970,DIN1652,JIS G4051
cross section	Round Other shape:square,hexagonal,flat,angle,rectangular
Surface	Black, galvanized,grinded,varnished,bare
Specifications	Round bar	Diameter: 12mm~650mm
	Angle bar	Size: 3mm20mm20mm~12mm800mm800mm
	Square/ bar	Size: 4mm4mm~100mm100mm
	Flat bar	Thickness: 2mm~100mm
	Flat bar	Width:10mm~500mm
	Hexagonal	Size: 4mm~800mm
Length	Standard 6m,9m,12m or as required.
Trade terms	Payment terms	T/T,L/C,Western Union,negotiable etc.
Trade terms	Price terms	FOB,CIF,CFR,EXW etc.
Applications	Steel round bar is widely used for all general fabrication and repairs in industrial maintenance, agricultural implements, transportation equipment, ornamental work frame work, braces, supports, shafts,axels,etc. Hot rolled Steel round bars have a slightly grain textured finish.

Images of steel round bar:

FAQ:

1. What is your package?

Packing situation: standard seaworthy packing or as customer required.

2. How long is the lead time?

Delivery time: 45 days after order confirmed.

3. What payment term do you accept?

Payment: T/T or L/C at sight.

Q: What are the different types of steel round bar surface coatings?: Enhancing the performance and durability of steel round bars commonly involves utilizing various surface coatings. These coatings serve as a protective layer, safeguarding against corrosion and improving the overall appearance. Several types of surface coatings are frequently employed, including: 1. Galvanized Coating: This method entails applying a zinc layer to the steel round bar. It boasts exceptional corrosion resistance, making it ideal for outdoor applications that expose the steel to moisture and harsh environmental conditions. 2. Powder Coating: In this process, a dry powder is applied to the steel round bar and then cured under heat. The result is a robust and visually appealing finish that resists chipping, scratching, and fading. Powder coating offers a wide range of colors and textures, making it a popular choice for decorative purposes. 3. Epoxy Coating: An application of liquid thermosetting polymer, which subsequently cures to form a protective layer, characterizes epoxy coating. This type of coating exhibits excellent resistance to corrosion and chemicals, making it suitable for use in harsh environments. Industries such as oil and gas, marine, and chemical processing frequently employ epoxy coatings. 4. Chrome Plating: Chrome plating involves electroplating a chromium layer onto the steel round bar. This coating provides superior corrosion resistance and enhances the steel's appearance. Chrome plating is commonly utilized in applications where both corrosion protection and aesthetics are crucial, such as automotive parts and decorative hardware. 5. Nickel Plating: Similar to chrome plating, nickel plating involves electroplating a nickel layer onto the steel round bar. This coating offers exceptional corrosion resistance and is often utilized in applications where the steel is exposed to harsh chemicals or extreme temperatures. These examples only scratch the surface of the available options for steel round bar surface coatings. The choice of coating depends on the specific requirements of the application, including the desired level of corrosion resistance, chemical resistance, and aesthetic appeal. Selecting the appropriate coating based on the intended use of the steel round bar ensures optimal performance and longevity.

Q: What is the maximum elongation of steel round bars?: The maximum elongation of steel round bars may vary based on the particular grade and composition of the steel. Nonetheless, typically, the maximum elongation for steel round bars hovers around 20-30% of their original length. Consequently, these bars can stretch or elongate by up to 20-30% before reaching their breaking point or ultimate tensile strength. It is worth mentioning that this maximum elongation is influenced by several factors, including steel quality, manufacturing process, and any heat treatment employed on the bars. Therefore, it is advisable to refer to the manufacturer's specific specifications and consider the intended application of the steel round bars in order to establish the maximum elongation for a specific case.

Q: What is the machinability of a steel round bar?: The ease with which a steel round bar can be shaped, cut, and modified using machining processes determines its machinability. This property measures how easily the steel material can be worked on with tools like lathes, mills, drills, and cutting or shaping tools. Several factors influence the machinability of a steel round bar, including its chemical composition, microstructure, and any heat treatment it has undergone. Elements like sulfur, phosphorus, and lead can either enhance or hinder machinability, while alloying elements like chromium, molybdenum, and nickel can also have an impact. Steel round bars with high machinability are characterized by their ability to be easily cut, drilled, and shaped with minimal tool wear and power consumption. They also produce smooth, precise finishes with minimal surface defects. On the other hand, low machinability steel round bars are more challenging to work with and may require more power, specialized tools, and slower cutting speeds. Considering the machinability of a steel round bar is important when selecting materials for machining applications. Factors like desired cutting speed, tool life, surface finish, and overall machining efficiency should be taken into account. The specific machining operations, such as turning, milling, or drilling, will also influence the choice of steel round bar with suitable machinability. In conclusion, the machinability of a steel round bar is a crucial factor in determining its suitability for various machining processes. Understanding the machinability characteristics of different steel grades can help in selecting the most appropriate material for specific machining applications, ensuring efficient and effective machining operations.

Q: What are the advantages of using aluminum-magnesium alloy steel round bars?: There are several advantages of using aluminum-magnesium alloy steel round bars. Firstly, these bars have a high strength-to-weight ratio, making them lightweight yet sturdy, ideal for applications where weight reduction is crucial. Secondly, the alloy's corrosion resistance properties make it suitable for various environments, including marine and industrial settings. Additionally, aluminum-magnesium alloy steel round bars offer excellent thermal conductivity, allowing for efficient heat dissipation. Lastly, these bars can be easily machined, welded, and formed, providing flexibility during fabrication and reducing manufacturing costs.

Q: How can steel round bars be protected against corrosion?: Steel round bars can be protected against corrosion through various methods such as applying a protective coating, galvanizing, using corrosion inhibitors, or implementing cathodic protection. These techniques form a barrier between the steel surface and corrosive elements, preventing or slowing down the process of corrosion.

Q: What is the difference between a cold finished and a turned steel round bar?: A cold finished steel round bar and a turned steel round bar are both types of steel bars used in various industries for different applications. The main difference between the two lies in the manufacturing process and the resulting properties of the bars. A cold finished steel round bar is produced by cold drawing or cold rolling a hot rolled steel bar. This process involves passing the hot rolled bar through a series of dies at room temperature, which reduces its diameter and increases its length. The cold drawing process imparts specific mechanical properties to the steel, such as improved surface finish, dimensional accuracy, and increased strength. Cold finished steel bars have a smooth, shiny surface and are known for their close tolerances and uniformity in size and shape. They are commonly used in applications where precision and high-quality surface finish are essential, such as in the automotive, aerospace, and machining industries. On the other hand, a turned steel round bar is made by machining a hot rolled or cold finished bar on a lathe. The bar is clamped and rotated while a cutting tool removes material from its outer surface, creating the desired shape and dimensions. This turning process results in a bar with a rougher surface compared to a cold finished bar, but it allows for faster production and versatility in creating various shapes and sizes. Turned steel bars are often used in applications where the surface finish is not critical and machining operations are required, such as in the construction, engineering, and manufacturing industries. In summary, the difference between a cold finished and a turned steel round bar lies in the manufacturing process and the resulting properties. Cold finished bars are produced through cold drawing or cold rolling, resulting in improved dimensional accuracy, surface finish, and strength. Turned bars are machined on a lathe, offering versatility in shape and size but with a rougher surface finish. The choice between the two depends on the specific requirements of the application, including tolerance, surface finish, strength, and machinability.

Q: Are steel round bars suitable for marine environments?: Yes, steel round bars can be suitable for marine environments, especially if they are made from corrosion-resistant alloys such as stainless steel. These alloys have high resistance to corrosion, making them suitable for prolonged exposure to saltwater and other harsh marine conditions. However, regular carbon steel round bars may be prone to rusting in marine environments and may require additional protective measures such as coatings or regular maintenance to prevent corrosion.

Q: What are the different types of steel round bar alloys used in the automotive industry?: In the automotive industry, some of the commonly used steel round bar alloys include carbon steel, alloy steel, stainless steel, and tool steel. Carbon steel is widely used due to its affordability and high strength. Alloy steel, on the other hand, is known for its enhanced mechanical properties and resistance to wear and tear. Stainless steel is popular for its corrosion resistance, making it suitable for parts exposed to harsh environments. Lastly, tool steel is utilized for its exceptional hardness and ability to withstand high temperatures, often used in the production of cutting and shaping tools for automotive manufacturing.

Q: Can steel round bars be used for making oil and gas industry components?: Steel round bars are a suitable choice for the production of oil and gas industry components. This is because they possess qualities like high strength, durability, and resistance to corrosion, which are highly valued in this sector. The demanding conditions of the industry, including harsh environments, high pressures, and extreme temperatures, necessitate materials that can endure such challenges. Steel round bars satisfy these requirements and are frequently employed to manufacture essential components like valves, flanges, pipes, and fittings. These components play a crucial role in the smooth functioning of the oil and gas industry. Moreover, the versatility of steel round bars allows for easy machining and welding, enabling the creation of intricate shapes and structures that are integral to this industry. In summary, steel round bars are a dependable and extensively utilized material in the production of oil and gas industry components.

Q: How can steel round bars be protected from corrosion?: Steel round bars can be protected from corrosion through various methods. One of the most common ways is by applying a protective coating such as paint or enamel. This coating acts as a barrier between the steel and the corrosive elements in the environment, preventing direct contact and reducing the chances of corrosion. Another effective method is through the use of galvanization. This involves coating the steel round bars with a layer of zinc. Zinc is a sacrificial metal, which means it corrodes more easily than steel. So, when the round bars are exposed to moisture or other corrosive substances, the zinc coating will corrode instead of the steel, providing an added layer of protection. Using stainless steel round bars is also a great way to prevent corrosion. Stainless steel contains a significant amount of chromium, which forms a passive layer on the surface of the steel. This passive layer acts as a shield, protecting the steel from corrosion caused by moisture or other corrosive agents. Regular maintenance and cleaning of the steel round bars is crucial in preventing corrosion. Removing dirt, dust, and other contaminants from the surface helps to maintain the protective coating or passive layer, if present. Additionally, keeping the round bars dry and storing them in a well-ventilated area can also help prevent corrosion. Lastly, proper handling and storage of steel round bars are important. They should be stored in a dry and covered area to prevent exposure to moisture and corrosive elements. Avoiding contact with other metals or materials that can cause galvanic corrosion is also essential. By implementing these protective measures, steel round bars can be effectively shielded from corrosion, ensuring their longevity and structural integrity.

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