Non-alloy Carbon Steel Round Bars System 1

Non-alloy Carbon Steel Round Bars System 2

Non-alloy Carbon Steel Round Bars System 3

Non-alloy Carbon Steel Round Bars System 4

Non-alloy Carbon Steel Round Bars

Ref Price:

Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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)

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 Engines and machines, Parts of larger cross-section
Gear Steel	All kinds of gears, Statically and dynamically stressed component for vehicles Engines and machine, Larger cross-section parts, Crankshafts

Company Information

CNBM International Corporation is the most important trading platform of CNBM group.

Whith its advantages, CNBM International are mainly concentrate on Cement, Glass, Iron and Steel, Ceramics industries and devotes herself for supplying high qulity series of refractories as well as technical consultancies and logistics solutions.

FAQ

1, Your advantages?

professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale

2, Test & Certificate?

SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem

3, Factory or Trading Company?

CNBM is a trading company but we have so many protocol factories and CNBM works as a trading department of these factories. Also CNBM is the holding company of many factories.

4, Payment Terms?

30% TT as deposit and 70% before delivery.

Irrevocable L/C at sight.

5, Trading Terms?

EXW, FOB, CIF, FFR, CNF

6, After-sale Service?

CNBM provides the services and support you need for every step of our cooperation. We're the business partner you can trust.

For any problem, please kindly contact us at any your convenient time.

We'll reply you in our first priority within 24 hours.

Packaging & Delivery

1, Packaging: seaworthy package or as required

2, Delivery: 35-45 days or based on quantity

Q: What are the advantages of using nickel-chromium-manganese alloy steel round bars?: Nickel-chromium-manganese alloy steel round bars offer numerous benefits in various applications. Firstly, this type of alloy steel provides exceptional strength and durability. The combination of nickel, chromium, and manganese enhances the overall strength of the steel, making it resistant to wear, impact, and deformation. This is particularly advantageous in industries such as construction, manufacturing, and automotive, where the round bars are commonly used for structural support and load-bearing purposes. Secondly, the round bars made from nickel-chromium-manganese alloy steel exhibit outstanding corrosion resistance. The presence of nickel and chromium in the alloy composition results in high resistance to rust and oxidation, even in harsh environments or exposure to corrosive substances. This property is crucial in applications where the round bars are exposed to moisture, chemicals, or high temperatures, such as marine environments or chemical processing plants. Additionally, this type of alloy steel offers excellent weldability and machinability. The balanced composition of nickel, chromium, and manganese enables easy welding and machining operations. This convenience allows fabricators and manufacturers to work with the round bars, creating complex shapes or structures without compromising the material's integrity. Moreover, nickel-chromium-manganese alloy steel round bars possess exceptional heat resistance. The presence of nickel and chromium in the alloy composition enhances its ability to withstand high temperatures without losing strength or shape. This property makes it suitable for applications involving exposure to extreme heat, such as furnace components, heat exchangers, or high-temperature industrial processes. Lastly, the use of nickel-chromium-manganese alloy steel round bars often leads to long-term cost savings. Due to their remarkable strength and durability, these round bars have a longer lifespan compared to other materials. This reduces the need for frequent replacements, resulting in lower maintenance costs and improved overall efficiency. In conclusion, the advantages of nickel-chromium-manganese alloy steel round bars include remarkable strength and durability, corrosion resistance, weldability, machinability, heat resistance, and long-term cost savings. These properties make them a preferred choice in various industries that require high-performance materials.

Q: What is the maximum weight of a steel round bar?: The maximum weight of a steel round bar depends on its diameter and length. The weight can vary from a few pounds to several tons for larger and longer bars.

Q: What is the difference between a hot rolled and a cold drawn steel round bar?: Hot rolled and cold drawn steel round bars differ primarily in their production methods and resulting characteristics. Hot rolled bars are created by heating a billet or ingot to high temperatures and shaping it through rolling, resulting in a rough, scaled surface with rounded edges. This process allows for quick and efficient production of larger sizes and quantities, however, the steel is less precise in terms of dimensions and has a lower surface finish quality compared to cold drawn steel. In contrast, cold drawn steel round bars are produced by pulling a hot rolled bar through a die at room temperature, resulting in a smooth, polished surface with tighter dimensional tolerances. This process enhances the mechanical properties of the steel, such as improved strength, hardness, and dimensional accuracy. Cold drawing also provides a better surface finish and closer dimensional control compared to hot rolling. Hot rolled steel round bars are often used in construction, manufacturing, and general fabrication due to their lower cost and ease of production. They are suitable for applications where precision and surface finish are not critical factors. On the other hand, cold drawn steel round bars are commonly used in demanding applications that require superior dimensional accuracy, surface finish, and mechanical properties. They are frequently utilized in automotive, aerospace, and machinery industries, where precision and quality are essential. In conclusion, the main disparities between hot rolled and cold drawn steel round bars lie in their production process, resulting surface finish, dimensional accuracy, and mechanical properties. The choice between the two depends on the specific requirements and applications of the steel.

Q: What are the advantages of using nickel-molybdenum alloy steel round bars?: One of the main advantages of using nickel-molybdenum alloy steel round bars is their exceptional strength and durability. These bars have a high tensile strength, making them suitable for applications that require resistance to heavy loads and extreme temperatures. Additionally, nickel-molybdenum alloy steel round bars offer excellent corrosion resistance, making them ideal for use in harsh environments where exposure to moisture, chemicals, or corrosive substances is a concern. Moreover, this alloy steel also exhibits good weldability and machinability, allowing for ease of fabrication and customization. Overall, the use of nickel-molybdenum alloy steel round bars can result in long-lasting, reliable, and cost-effective solutions in various industries such as construction, automotive, and aerospace.

Q: Can steel round bars be coated for improved aesthetics?: Yes, steel round bars can be coated for improved aesthetics. Coating steel round bars can enhance their appearance by providing a more polished and visually appealing surface. There are various coating options available, such as powder coating, electroplating, or painting, which can be applied to steel round bars to achieve different aesthetic effects. These coatings not only enhance the appearance of the bars but also provide additional benefits such as corrosion resistance and durability. Therefore, coating steel round bars is a common practice to improve their aesthetics in various applications including architectural, decorative, and industrial purposes.

Q: Are steel round bars suitable for high-pressure applications?: Steel round bars are frequently a good choice for high-pressure applications. Steel is renowned for its strength and durability, making it an ideal material for handling high pressure. Round bars, in particular, possess exceptional tensile strength and resistance to deformation, rendering them suitable for utilization in high-pressure settings like hydraulic systems, oil and gas pipelines, and structural applications. Furthermore, steel round bars can be customized to meet specific strength and hardness criteria, further enhancing their aptness for high-pressure applications. Nevertheless, it is crucial to carefully consider the requirements of the particular application and seek advice from an engineer or industry expert to guarantee the selection of the most appropriate grade and size of steel round bar for optimal performance and safety.

Q: What are the different surface treatments available for steel round bars?: There are several different surface treatments available for steel round bars, each designed to enhance the material's properties and improve its overall performance. Some common surface treatments for steel round bars include: 1. Hot-dip galvanizing: This process involves immersing the steel round bars in a bath of molten zinc, forming a protective coating on the surface. Hot-dip galvanizing provides excellent corrosion resistance, making it suitable for outdoor applications or environments where the steel is exposed to moisture. 2. Electroplating: Electroplating is the process of depositing a thin layer of metal onto the surface of the steel round bars using an electric current. This treatment can provide enhanced corrosion resistance, improved appearance, or specific functional properties, depending on the metal used for electroplating. 3. Powder coating: Powder coating involves applying a dry powder paint to the surface of the steel round bars, which is then cured by heat to form a protective and decorative coating. This treatment offers excellent durability, resistance to corrosion, and a wide range of color options. 4. Black oxide coating: Black oxide coating is a chemical treatment that creates a dark, matte finish on the surface of the steel round bars. It provides moderate corrosion resistance and enhances the material's appearance, making it suitable for decorative or non-reflective applications. 5. Chrome plating: Chrome plating is a process of electroplating a thin layer of chromium onto the surface of the steel round bars. This treatment enhances corrosion resistance, improves wear resistance, and provides a shiny, reflective finish. 6. Nitriding: Nitriding is a heat treatment process that diffuses nitrogen into the surface of the steel round bars, forming a hardened layer. This treatment improves the material's hardness, wear resistance, and fatigue strength, making it suitable for applications requiring high strength and durability. 7. Anodizing: Anodizing is commonly used for aluminum, but it can also be applied to steel round bars. This electrolytic process creates a protective oxide layer on the surface, enhancing corrosion resistance and providing a decorative and durable finish. These are just a few examples of the different surface treatments available for steel round bars. The choice of treatment depends on the specific requirements of the application, such as corrosion resistance, wear resistance, appearance, or functional properties needed.

Q: What are the limitations of using steel round bars?: There are several limitations to using steel round bars. Firstly, steel round bars have a limited strength-to-weight ratio, which means they may not be suitable for applications that require high strength and low weight. Additionally, steel round bars can be prone to corrosion and rust if not properly protected or maintained. Another limitation is their inability to be easily shaped or bent, making them less flexible for certain design requirements. Lastly, steel round bars may not be cost-effective for small-scale or low-budget projects due to their higher material and manufacturing costs compared to other alternatives.

Q: What is the difference between a seamless and a welded steel round bar?: The manufacturing process and resulting structural integrity are what differentiate seamless and welded steel round bars. Seamless steel round bars are made by piercing a solid billet of steel and then rolling it into a round shape. This process ensures a smooth and continuous surface throughout the length of the bar, without any seams or welds. By eliminating the weld, potential weaknesses and vulnerabilities are also eliminated. Seamless steel bars have a more uniform composition and a higher strength-to-weight ratio due to the absence of welds. On the other hand, welded steel round bars are created by joining multiple pieces of steel together using various welding techniques. The steel pieces are heated and fused together at the edges to form a continuous bar. While welding provides flexibility in terms of length and diameter options, it can introduce structural concerns. Welded joints may have defects like porosity or inclusions, which can compromise the overall strength and integrity of the bar. However, advancements in welding technology and quality control have improved the reliability of welded steel round bars. Seamless steel round bars are preferred in critical industries like oil and gas, aerospace, and automotive sectors, where high strength, reliability, and resistance to corrosion are essential. On the other hand, welded steel round bars are commonly used in less demanding applications like construction, manufacturing, and general engineering, where cost-effectiveness and availability are more important. In conclusion, the manufacturing process and resulting structural characteristics are what set seamless and welded steel round bars apart. Seamless bars offer a smoother surface, higher strength-to-weight ratio, and greater resistance to defects, while welded bars are more cost-effective and readily available, though they may have weld-related vulnerabilities. The choice between the two depends on the specific requirements and priorities of the intended use.

Q: Can steel round bars be used for making bridges?: Bridges can be made using steel round bars, as they possess high strength and durability, making them a popular choice in bridge construction. Reinforcing bars, also known as round bars or rebars, are frequently employed to strengthen concrete structures such as bridge decks and piers. These bars enhance tensile strength and promote an even distribution of loads, thereby increasing the bridge's resistance to bending or twisting forces. Furthermore, round bars serve as structural components in cable-stayed or suspension bridges, providing support and reinforcement to the main load-bearing cables. In conclusion, steel round bars are a versatile and dependable option for bridge construction, as they offer the necessary strength and stability to withstand the heavy loads and harsh environmental conditions experienced by bridges.

Send your message to us

*Email

*TEL

*Quantity

*Unit