• Q235 Hot Rolled Carbon Steel Round Bar System 1
  • Q235 Hot Rolled Carbon Steel Round Bar System 2
  • Q235 Hot Rolled Carbon Steel Round Bar System 3
  • Q235 Hot Rolled Carbon Steel Round Bar System 4
  • Q235 Hot Rolled Carbon Steel Round Bar System 5
  • Q235 Hot Rolled Carbon Steel Round Bar System 6
Q235 Hot Rolled Carbon Steel Round Bar

Q235 Hot Rolled Carbon Steel Round Bar

Ref Price:
get latest price
Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
100000 m.t./month

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Specification

Standard:
AISI,ASTM,JIS,GB,BS,DIN,API,EN
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
A53(A,B),20#,10#,SS400-SS490,600 Series,Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series
Certification:
ISO,CE,SGS
Thickness:
as required
Length:
as required
Net Weight:
as required

SS490 hot rolled carbon steel round bar  

Dimensions: 15-300mm
Near the seaport, low cost, quick delivery
SGS BV inspection, Good reputation &service

Product name

SS490 hot rolled carbon steel round bar

Dimensions

15-300mm

Length

4-12m

Standard

ASTM,BS,GB,JIS

Other Grade

Q215,Q235,HPB300,SS330-SS490,A36,SAE1015-1020,S235JR,S275JR,ST37-2,etc

Brand

RGTS

Application

Mild Steel Round Bar is used for making security grills, screens, Construction and Machine Manufacture.

Finish condition

hot rolled

Appearance

new

Sales mode

factory direct sales

Quality assurance

mill test certificate is provided, third party inspection is acceptable

Trade term

FOB/CIF/CFR

Payment term

30%T/T in advance, balance against B/L copy;Sight irrevocable LC

Delivery time

Within 15-30 days after receiving original LC or deposit, also according to the quantity

Loading port

Xingang tianjin, China

Certification

ISO9001:2000/BV

 

SS490 hot rolled carbon steel round bar details   

Size Tolerance:  +/-5mm

Length tolerance: +100mm/-0mm   

Side length tolerance: +/-2mm   

Straightness:Max 6mm/m 

Both end of each bar must be cut     

Ladle furnaced and vacuum de-gassed    

Show heat No. on each bar

 

SS490 hot rolled carbon steel round bar   

Chemical Composition:

P%  ≤0.050

S%  ≤0.050

Cr%  ≤0.20

 

Physical Property (MPa):

Y/S: ≥285

T/S: 490~610


Q235 Hot Rolled Carbon Steel Round BarQ235 Hot Rolled Carbon Steel Round Bar

Q235 Hot Rolled Carbon Steel Round BarQ235 Hot Rolled Carbon Steel Round Bar

Q: How do steel round bars compare to other materials like aluminum or stainless steel?
Steel round bars possess numerous advantages over alternative materials such as aluminum or stainless steel. Firstly, their exceptional strength and durability are widely acknowledged. With a high tensile strength, they are capable of enduring heavy loads and extreme conditions, making them ideal for construction, manufacturing, and engineering applications where strength and resilience are vital. When compared to aluminum, steel round bars exhibit superior strength and hardness. Although aluminum is lightweight, it lacks the same level of strength as steel, which can restrict its use in certain applications. Furthermore, steel round bars offer increased resistance to impact and abrasion, making them more suitable for heavy-duty applications that necessitate resistance to wear and tear. Regarding stainless steel, it is essential to note that it is an alloy that primarily contains steel. Stainless steel is renowned for its corrosion resistance, making it an excellent choice for applications exposed to moisture or harsh environments. However, stainless steel does not possess the same strength as steel round bars. Steel round bars excel in carrying heavier loads and providing superior structural integrity. Another crucial aspect to consider is the cost-effectiveness of steel round bars compared to aluminum or stainless steel. Generally, steel is more affordable than stainless steel and aluminum, making it a popular choice across a broad range of applications. Additionally, steel round bars are readily available in various sizes and grades, offering versatility and ease of use. In conclusion, steel round bars outperform alternative materials like aluminum or stainless steel in terms of strength, durability, and cost-effectiveness. However, the ultimate choice of material depends on the specific requirements of the application and the desired properties necessary for the project.
Q: Can steel round bars be coated with protective finishes?
Steel round bars can indeed have protective finishes applied to them. Applying protective finishes to steel round bars is a widespread practice aimed at improving their durability and resistance to corrosion. There are several options available for protective finishes, such as galvanizing, powder coating, and epoxy coating, among others. These finishes effectively safeguard the steel bars against rust and deterioration, thus prolonging their lifespan and enabling them to perform well in different environments. The selection of a protective finish depends on various factors, including the intended use of the steel round bars, the extent of exposure to moisture or corrosive substances, and the desired aesthetic appeal.
Q: How do steel round bars compare to aluminum round bars?
Steel round bars are generally stronger and more durable than aluminum round bars. They have a higher tensile strength, making them suitable for heavy-duty applications that require high levels of strength and resistance to bending or deformation. Aluminum round bars, on the other hand, are lighter and more corrosion-resistant, making them ideal for applications that prioritize weight reduction and resistance to exposure to harsh environments. The choice between steel and aluminum round bars ultimately depends on the specific requirements of the application.
Q: What is the typical price range for steel round bars?
The typical price range for steel round bars can vary depending on various factors such as the size, quality, and where you purchase them. In general, smaller diameter steel round bars can range from $10 to $30 per bar, while larger diameter bars can range from $30 to $100 or more. The quality of the steel, such as the grade and any additional treatments or finishes, can also affect the price. Additionally, the location or supplier from which you buy the steel round bars can impact the price range. It is always advisable to compare prices from multiple sources and consider factors like shipping costs to get the best deal.
Q: Are steel round bars suitable for welding applications?
Yes, steel round bars are suitable for welding applications. Steel round bars are commonly used in welding applications due to their high strength and durability. They can be easily welded to other steel components or structures using various welding processes such as arc welding, MIG welding, or TIG welding. Steel round bars also offer good mechanical properties, including excellent tensile strength, which makes them suitable for welding applications where strength and load-bearing capacity are important factors. Additionally, steel round bars are available in a wide range of sizes and grades, allowing for versatility and compatibility with different welding projects. However, it is important to choose the appropriate type of steel round bar based on the specific welding application and the desired properties of the final product.
Q: Can steel round bars be used for making shock absorber components?
Absolutely! When it comes to constructing shock absorber components, steel round bars are a fantastic choice. The reason being, steel possesses exceptional qualities including robustness, longevity, and the ability to withstand wear and tear. By utilizing steel round bars, it becomes possible to craft a multitude of shock absorber elements, including piston rods, mounting brackets, and tube bodies, through either machining or forging methods. The incorporation of steel guarantees that these components can endure the immense pressures and forces linked to shock absorption, thereby ensuring vehicle stability and seamless functionality.
Q: What is the difference between a cold-drawn and a polished steel round bar?
A cold-drawn steel round bar is typically produced by pulling a hot-rolled bar through a die, resulting in a smoother and more precise diameter. On the other hand, a polished steel round bar undergoes an additional process of grinding or buffing to achieve a smooth and shiny surface finish. While both bars offer improved surface quality, the cold-drawn bar primarily focuses on dimensional accuracy, while the polished bar enhances aesthetics and corrosion resistance.
Q: What are the advantages of using boron-alloy steel round bars?
There are several advantages of using boron-alloy steel round bars in various applications. Firstly, boron-alloy steel has significantly higher strength compared to traditional carbon steel. This increased strength allows for the construction of more lightweight and durable structures, reducing material costs and improving overall efficiency. Additionally, boron-alloy steel round bars exhibit excellent hardenability, which means they can be heat-treated to achieve desired properties such as increased hardness and wear resistance. This makes them ideal for use in demanding applications where high strength and durability are required, such as in the automotive and construction industries. Another advantage of boron-alloy steel round bars is their enhanced weldability. They can be easily welded without sacrificing their mechanical properties, allowing for seamless integration into various fabrication processes. This not only saves time and effort during assembly but also ensures the structural integrity of the final product. Furthermore, boron-alloy steel round bars offer excellent resistance to abrasion and corrosion, making them suitable for use in harsh environments or applications where exposure to chemicals or moisture is common. This extends the lifespan of the material and reduces the need for frequent repairs or replacements, resulting in cost savings and improved productivity. Lastly, boron-alloy steel round bars are readily available and cost-effective compared to other high-strength steel alternatives. Their wide availability makes them a viable option for a range of applications, from manufacturing machinery to constructing infrastructure. In summary, the advantages of using boron-alloy steel round bars include higher strength and durability, improved hardenability, enhanced weldability, resistance to abrasion and corrosion, and cost-effectiveness. These benefits make them an excellent choice for various industries where lightweight, strong, and long-lasting materials are required.
Q: How do you calculate the weight of a steel round bar based on its density and dimensions?
In order to determine the weight of a steel round bar, one must possess knowledge of its density and dimensions. The weight can be calculated using the formula W = V x D, where W represents weight, V represents volume, and D represents density. Firstly, it is necessary to ascertain the volume of the round bar. The volume of a cylinder can be calculated using the formula V = πr^2h, where V represents volume, π is a constant (approximately 3.14159), r represents the radius of the round bar, and h represents the height or length of the round bar. In the event that one possesses the diameter of the round bar instead of the radius, the radius can be determined by dividing the diameter by 2. Once the radius is determined, it can be substituted into the formula along with the height of the round bar to calculate the volume. Subsequently, knowledge of the density of the steel is required. The density of steel is typically measured in grams per cubic centimeter (g/cm^3) or kilograms per cubic meter (kg/m^3). It is imperative to ensure that the units for both density and volume are consistent. If the density is given in g/cm^3, the volume must be converted from cm^3 to m^3 by dividing it by 1,000,000. Finally, the weight can be calculated by multiplying the volume by the density. If the density is provided in kg/m^3, the weight will be in kilograms. If the density is provided in g/cm^3, the weight will be in grams. Conversion to other units can be achieved by utilizing appropriate conversion factors. It is crucial to verify all calculations and maintain consistency of units throughout the entire calculation process.
Q: What are the advantages of using nickel-aluminum alloy steel round bars?
There are several advantages of using nickel-aluminum alloy steel round bars. Firstly, nickel-aluminum alloy steel round bars offer excellent corrosion resistance. This makes them suitable for applications in environments where the material is exposed to moisture, chemicals, or extreme temperatures. The corrosion resistance helps prolong the lifespan of the round bars and reduces the need for frequent maintenance or replacement. Secondly, nickel-aluminum alloy steel round bars exhibit high strength and toughness. This makes them ideal for use in structural applications that require a durable and reliable material. The high strength of these round bars enables them to withstand heavy loads and impacts without deforming or breaking, ensuring the structural integrity of the application. Additionally, nickel-aluminum alloy steel round bars have good heat resistance. They can withstand high temperatures without losing their mechanical properties, making them suitable for use in applications that involve heat or thermal cycling. This heat resistance also allows the round bars to maintain their shape and strength under extreme temperature variations. Moreover, nickel-aluminum alloy steel round bars have excellent machinability. They can be easily cut, drilled, and shaped into various forms, making them versatile for different applications. The machinability of these round bars reduces manufacturing time and costs, as well as enables customization to specific design requirements. Furthermore, nickel-aluminum alloy steel round bars have good weldability. They can be easily welded or joined to other materials without compromising their mechanical properties. This allows for the construction of complex structures or assemblies that require different materials to be joined together. Overall, the advantages of using nickel-aluminum alloy steel round bars include corrosion resistance, high strength and toughness, heat resistance, good machinability, and weldability. These properties make them a reliable and versatile choice for a wide range of applications in various industries such as aerospace, automotive, construction, and marine.

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