Hot rolled, forged, QT heat treatment and normalizing
6. Payment term
T/T, L/C or we can negotiate.
7. Delivery time
20days after the order confirmed
8. Characteristics
1) The strength and hardness of S20C/ 1020/ 20 is higher than that of S15C/ 1015/ 15.
2) Good plasticity and weldability.
3) Good toughness after hot rolling and normalization.
9. Application
S20C structural carbon steel bar /1020 /20 can be used to be manufactured medium or small carburization or nitrocarburizing parts and press forging parts, such as lever shaft, selector fork of speed changing box, gear, heavy mechanical lever and shackle, etc.
Products Show
Product Overviews
Product Name
Typical Grades
Diameter(mm)
Standard adopted
Carbon Steel
20 (1020/S20C/C22)
Ø16-Ø300
GB/SAE/JIS/DIN
40 (1040/S40C/C40)
45 (1045/S45C/C45)
Bearing Steel
GCr9 (51100/SUJ1)
Ø12-Ø250
GCr15 (52100/SUJ2/100Gr6)
GCr9SiMn (A485-Gr.1/SUJ3)
Cr-Mo Steel
20Cr (5120/SCr420H/20Cr4)
Ø12-Ø250
40Cr (5140/SCr440/41Cr4)
42CrMo(4140/SCM440/42CrMo4)
Gear Steel
20CrNiMo
Ø16-Ø600
20CrMn(5115/SMnC420/20MnCr5)
20CrNiMo(8620/SNCM220/20CrMiMo2)
Application
Carbon Steel
Mold bottom, Plastic mold, Construction machinery parts
Automobile parts, Security grills, Screens, Construction
Bearing Steel
Aerospace, Navigation, Nuclear energy, Chemical industry
Electronic information, Petrochemical, Instrument and meter
Transportation
Cr-Mo Steel
Mechanism & Fasteners gear, Stressed components for vehicles
Q: What are the advantages of using nickel-copper alloy steel round bars?
Nickel-copper alloy steel round bars offer several advantages. Firstly, their resistance to corrosion and oxidation is excellent, making them ideal for use in harsh environments like the marine or chemical industries. This ensures the longevity and durability of the bars, reducing the need for frequent replacements.
Secondly, these round bars have outstanding mechanical properties. The addition of nickel and copper enhances their strength, toughness, and hardness, making them suitable for heavy-duty applications in construction, manufacturing, and engineering. They can withstand heavy loads and resist deformation or breakage, contributing to the overall safety and reliability of the structures or components they are used in.
Another advantage is their excellent thermal stability. The alloy has a low coefficient of thermal expansion, allowing it to withstand high temperatures without significant dimensional changes. This is particularly important in applications involving extreme heat, such as in the aerospace or power generation industries. The thermal stability of the bars ensures their dimensional integrity, reducing the risk of warping or cracking under high-temperature conditions.
Furthermore, Nickel-copper alloy steel round bars offer good electrical conductivity. This is beneficial in applications that require the transmission of electric current, such as electrical wiring or power distribution systems. The high electrical conductivity of the alloy ensures efficient and reliable electrical connections, minimizing power loss and maximizing performance.
In conclusion, the advantages of nickel-copper alloy steel round bars include excellent corrosion resistance, superior mechanical properties, thermal stability, and good electrical conductivity. These characteristics make them suitable for a wide range of applications in various industries, providing durability, strength, and reliability.
Q: What are the advantages of using nickel-alloy steel round bars?
Nickel-alloy steel round bars offer numerous benefits:
1. Superior strength and durability: Renowned for their exceptional strength and durability, nickel-alloy steel round bars can endure high levels of stress and boast excellent corrosion resistance. Consequently, they are ideal for use in demanding environments.
2. Impressive temperature resistance: With their remarkable temperature resistance properties, nickel-alloy steel round bars retain their strength and integrity even in elevated temperatures. This renders them suitable for applications in industries such as aerospace, power generation, and petrochemicals.
3. Exceptional corrosion resistance: Nickel-alloy steel round bars exhibit outstanding resistance to rust and oxidation, making them highly resistant to corrosion. This quality makes them perfect for deployment in marine environments, chemical plants, and other settings where exposure to corrosive substances is common.
4. Excellent mechanical properties: Boasting outstanding mechanical properties like high tensile strength, toughness, and ductility, nickel-alloy steel round bars can withstand heavy loads and impacts without deformation or failure. As a result, they prove suitable for use in critical structural applications.
5. Versatility and adaptability: Nickel-alloy steel round bars are easily machinable, forgeable, and weldable, offering increased versatility in manufacturing processes. They can be shaped and formed into various sizes and dimensions to meet specific requirements, making them highly adaptable to different industries.
6. Cost-effective solution: Despite their initial higher cost compared to other materials, nickel-alloy steel round bars prove to be a cost-effective choice in the long run. Their resistance to corrosion and wear minimizes maintenance and replacement expenses, resulting in significant cost savings over time.
In conclusion, the advantages of nickel-alloy steel round bars lie in their superior strength, impressive temperature resistance, exceptional corrosion resistance, excellent mechanical properties, versatility, adaptability, and cost-effectiveness. These qualities establish them as reliable and efficient options for numerous applications across various industries.
Q: Are steel round bars suitable for bridge construction applications?
Yes, steel round bars are suitable for bridge construction applications. Steel is known for its strength, durability, and versatility, making it an ideal material for bridge construction. Steel round bars provide excellent structural support and can withstand heavy loads and harsh environmental conditions. Additionally, steel round bars can be easily fabricated and customized to meet specific bridge design requirements.
Q: Are steel and round steel the same thing?
Round bar is divided into three parts: hot rolling, forging and cold drawing. Standard Specification for hot rolled round steel is 5.5-250 mm. Where: 5.5-25 mm small round steel mostly straight bundles of supply, used for steel, bolts and various mechanical parts; greater than 25 mm round steel, seamless steel pipe is mainly used for the manufacture of mechanical parts of the tube, etc..
Q: Can steel round bars be used for making staircases?
Yes, steel round bars can be used for making staircases. Steel round bars are commonly used in the construction industry for various applications, including staircase fabrication. They are strong, durable, and provide excellent structural support, making them an ideal choice for staircases. Steel round bars can be used to create the framework and structure of the staircase, providing stability and safety. Additionally, steel round bars can be easily shaped and welded to create different designs and styles for the staircase, allowing for customization and flexibility in the construction process. Overall, steel round bars are a reliable and popular choice for making staircases due to their strength, durability, and versatility.
Q: What are the factors to consider when selecting a steel round bar?
When selecting a steel round bar, there are several factors that should be taken into consideration.
Firstly, it is important to consider the grade of steel. Different grades of steel have varying properties and strengths, so the specific application and requirements should be evaluated. For example, if high corrosion resistance is needed, stainless steel grades like 304 or 316 may be suitable, whereas for structural applications, carbon steel grades like A36 or 1018 may be more appropriate.
Secondly, the dimensions and size of the round bar should be considered. This includes the diameter, length, and tolerance requirements. The size should be chosen based on the specific application, load-bearing capacity, and the available space for installation.
Thirdly, the surface finish and condition of the round bar should be assessed. This includes factors such as surface roughness, straightness, and any surface defects. The surface finish should be selected based on the desired aesthetics, functional requirements, and the manufacturing process.
Another important factor is the availability and cost of the steel round bar. It is crucial to consider the availability of the desired grade and size from suppliers, as well as the associated cost. It is advisable to compare prices from different suppliers to ensure the best value for money.
Furthermore, the required mechanical properties of the steel round bar should be evaluated. This includes factors such as tensile strength, yield strength, hardness, and ductility. The mechanical properties should align with the intended application and load-bearing requirements.
Lastly, it is essential to consider any additional requirements or certifications that may be needed. This could include compliance with specific industry standards (e.g., ASTM, ISO), certifications (e.g., RoHS, REACH), or specific testing requirements (e.g., ultrasonic testing, impact testing).
In conclusion, when selecting a steel round bar, it is important to consider the grade, dimensions, surface finish, availability, cost, mechanical properties, and any additional requirements. Taking into account these factors will help ensure that the steel round bar chosen is suitable for the intended application and meets all necessary specifications.
Q: Can steel round bars be hardened?
Yes, steel round bars can be hardened through various heat treatment processes such as quenching and tempering. This can significantly increase their strength and durability.
Q: What is the difference between a peeled and a polished steel round bar?
A peeled steel round bar is a bar that has had its outer layer or skin removed through a peeling process, resulting in a smooth surface. On the other hand, a polished steel round bar undergoes a polishing process to enhance its appearance and create a reflective, shiny surface. While both bars have a smooth finish, the peeled bar focuses on removing imperfections and enhancing the structural integrity, whereas the polished bar prioritizes aesthetics and visual appeal.
Q: What is the maximum manganese content allowed for steel round bars?
The permissible manganese content for steel round bars may differ based on the grade or standard being adhered to. Generally, the manganese content in steel round bars is typically restricted to a maximum of approximately 1.65% by weight. This limitation is due to the adverse effects that higher manganese levels can have on the mechanical properties and weldability of the steel. Nevertheless, it is crucial to acknowledge that various industries or applications may establish their own specific requirements or allowances for manganese content in steel round bars. Hence, it is always advisable to refer to the relevant specifications or standards to ascertain the maximum manganese content permissible for a specific grade of steel round bars.
Q: Can steel round bars be used in the production of sporting goods?
Sporting goods can indeed utilize steel round bars. Steel, a versatile material renowned for its strength and durability, proves fitting for a wide spectrum of applications within the sporting goods industry. To illustrate, steel round bars can be employed to fabricate various components, including shafts, handles, frames, and supports for sporting equipment such as golf clubs, hockey sticks, weightlifting bars, and exercise machines. The robust tensile strength of steel ensures that these components can withstand the rigorous forces and pressures exerted during sports activities, thus affording stability and longevity to the resultant products. Additionally, steel round bars can be effortlessly machined, welded, and molded into different shapes and sizes to meet the particular requirements of each sporting good. Furthermore, steel's ability to resist corrosion renders it an ideal choice for outdoor sporting equipment that is subjected to diverse weather conditions. In summary, steel round bars are an immensely popular option in the production of sporting goods owing to their strength, durability, versatility, and capacity to endure the demands of various sports.
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