Hot Rolled Round Steel C45 Bars System 1

Hot Rolled Round Steel C45 Bars System 2

Hot Rolled Round Steel C45 Bars System 3

Hot Rolled Round Steel C45 Bars System 4

Hot Rolled Round Steel C45 Bars

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 10000 m.t./month

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C	Si	Mn	P	S	Cr	Ni	Cu	Al
0.4~0.5	0.2~0.3	0.6~0.7	≤0.016	≤0.008	≤0.023	≤0.014	0.018	≤0.005

GB	DIN	JIS	AISI
45#	1.1191	S45C	1045

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-aluminum alloy steel round bars?: Nickel-chromium-aluminum alloy steel round bars offer numerous benefits. Firstly, they possess exceptional corrosion resistance, making them ideal for use in harsh environments or industries where corrosion is a concern. This resistance to corrosion prolongs the lifespan of the round bars, reducing maintenance and replacement expenses. Secondly, these round bars are known for their high strength and durability, making them suitable for applications that involve heavy loads or high temperatures. Their strength also enhances structural stability, making them a dependable option for construction projects and industrial applications. Additionally, this alloy steel demonstrates excellent thermal stability, allowing it to maintain its shape and mechanical properties even under elevated temperatures. This attribute is particularly advantageous in industries such as aerospace, automotive, and power generation, where high temperatures are prevalent. Furthermore, nickel-chromium-aluminum alloy steel round bars offer good formability and machinability, facilitating easy fabrication and customization. This versatility allows for the production of intricate shapes and designs, making them adaptable for various manufacturing processes. Lastly, this alloy steel is recognized for its resistance to oxidation and scaling at high temperatures. This makes it suitable for applications involving exposure to extreme heat or rapid temperature changes, such as in furnaces or heat exchangers. In conclusion, the benefits of utilizing nickel-chromium-aluminum alloy steel round bars include exceptional corrosion resistance, high strength and durability, thermal stability, formability, and resistance to oxidation. These qualities make it a preferred choice for a wide range of industries, ensuring reliable performance and longevity in various applications.

Q: How do steel round bars differ from other types of steel bars?: Steel round bars possess different characteristics compared to other types of steel bars, primarily in their shape and versatility. Unlike square or flat bars, steel round bars have a cylindrical shape and a circular cross-section, which grants them greater adaptability and flexibility. One of the main benefits of steel round bars lies in their capability to endure high levels of stress and pressure. Their circular shape ensures a uniform distribution of weight and pressure, making them ideal for applications that demand durability and strength. Consequently, these bars find wide usage in construction, manufacturing, and engineering projects that prioritize structural integrity. Another noteworthy distinction is the ease of machining and manipulation that steel round bars provide. Their cylindrical shape facilitates effortless drilling, cutting, and shaping, rendering them highly versatile and suitable for a vast range of applications. They can be conveniently welded, bent, or formed into diverse shapes, granting them an edge over other steel bar variations in terms of customization. In terms of appearance, steel round bars possess a distinctive visual allure. The sleek and cylindrical surface of these bars grants them a polished and refined appearance, making them aesthetically pleasing in architectural and decorative applications. In conclusion, steel round bars stand apart from other steel bar types due to their shape, versatility, and strength. Their ability to endure high levels of stress, ease of machining, and appealing aesthetics make them a favored choice in numerous industries.

Q: Can steel round bars be used for making mining equipment?: Certainly! Mining equipment can indeed be made using steel round bars. These bars, owing to their exceptional strength, durability, and resistance to wear and tear, are widely utilized in the manufacturing process of various mining equipment. They are particularly suitable for applications that demand robust and heavy-duty machinery, such as drilling rigs, excavators, crushers, and conveyor systems employed in the mining industry. The adaptability of steel round bars enables them to be machined, welded, and shaped into diverse forms and sizes, thus facilitating the customization of mining equipment to cater to specific requirements. Moreover, steel round bars exhibit remarkable resilience in mining environments, enduring exposure to abrasive substances, extreme temperatures, and substantial loads.

Q: What are the different grades of stainless steel round bars?: There are several grades of stainless steel round bars, with the most common ones being 304, 316, and 410. These grades differ in their chemical composition, strength, and corrosion resistance properties, making them suitable for various applications in different industries.

Q: What are the different methods used for machining steel round bars?: Machining steel round bars involves the use of various methods, each with its own advantages and applications. Some commonly employed techniques are as follows: 1. Turning: To achieve the desired shape, the steel round bar is rotated against a cutting tool that removes material. Turning is suitable for both external and internal operations, ensuring high precision and excellent surface finish. 2. Milling: This versatile method employs a rotating multi-tooth cutter to remove material from the steel round bar, creating flat or contoured surfaces. It is ideal for face milling, slotting, and profiling. 3. Drilling: Holes of different sizes and depths are created in the steel round bar using a rotating drill bit. This method can be performed manually or through automated processes. 4. Grinding: Precision is key in grinding, a machining technique that employs abrasives to remove material from the steel round bar. It ensures smooth surface finish, tight tolerances, and precise dimensions. Grinding machines, such as cylindrical or surface grinders, are utilized. 5. Boring: Boring enlarges existing holes or creates internal cylindrical shapes within the steel round bar. This technique involves rotating a cutting tool inside the bar to achieve desired dimensions and surface finish. 6. Broaching: Complex internal or external shapes are created using a broach, a multi-toothed cutting tool. The broach is pushed or pulled through the steel round bar to remove material and form the desired shape. 7. Sawing: The steel round bar is cut into desired lengths or shapes using a rotating blade with teeth. Sawing is efficient for mass production and can be done manually or with automated machines. These methods are just a selection of the techniques used for machining steel round bars. The choice of method depends on factors such as the desired shape, dimensions, tolerances, and surface finish, as well as the production volume and available equipment.

Q: What are the different types of steel round bars used in the automotive aftermarket?: In the automotive aftermarket, there is a wide variety of steel round bars used. Some commonly seen types include: 1. Carbon Steel Round Bars: Due to its exceptional strength and durability, carbon steel is widely employed in the automotive industry. It finds its application in heavy-duty performance areas like suspension components, drive shafts, and steering linkages. 2. Alloy Steel Round Bars: Alloy steel, which is steel combined with other elements to enhance its mechanical properties, is prevalent in the automotive aftermarket. Applications requiring high strength, such as crankshafts, camshafts, and axles, commonly use alloy steel. 3. Stainless Steel Round Bars: Noted for its resistance to corrosion and attractive appearance, stainless steel is often preferred for automotive aftermarket applications in harsh environments. Exhaust systems, trim components, and decorative elements are examples that benefit from stainless steel's resistance. 4. Tool Steel Round Bars: Tool steel, a specialized high-carbon steel, is designed specifically for tooling and machining applications. In the automotive aftermarket, it is widely used for manufacturing specialized tools, dies, and molds. 5. Bearing Steel Round Bars: Bearing steel, another type of high-carbon steel, is tailored for bearing applications. In the automotive aftermarket, bearing steel is commonly utilized for manufacturing bearings and other rotating components. These examples represent just a small sample of the steel round bars found in the automotive aftermarket. The choice of steel for each specific application will depend on factors such as desired strength, durability, and resistance to corrosion.

Q: How do you calculate the weight of a steel round bar based on its length and diameter?: The weight of a steel round bar can be determined by utilizing the subsequent equation: Weight = (π/4) x (Diameter^2) x Length x Density. In this equation, π denotes the mathematical constant pi, with an approximate value of 3.14159. Diameter represents the measurement across the widest point of the steel round bar, while Length corresponds to the overall length of the bar. Additionally, Density signifies the typical density of steel, which is approximately 7850 kilograms per cubic meter. To calculate the weight, first square the diameter and then proceed to multiply it by the length and density. Finally, multiply the outcome by π/4 to obtain the weight of the steel round bar in the desired units, typically kilograms or pounds. It is crucial to acknowledge that this equation assumes the steel round bar is a solid cylinder with a uniform diameter. If there are any variations or irregularities present in the bar, the weight determined using this equation may not be entirely accurate.

Q: Can steel round bars be used for making architectural or decorative elements?: Yes, steel round bars can be used for making architectural or decorative elements. They are versatile and can be shaped, welded, and fabricated into various designs, giving them the potential to enhance the aesthetic appeal of architectural structures or serve as decorative elements.

Q: Can steel round bars be used for making cooling system components?: Certainly, cooling system components can be fabricated using steel round bars. Steel, being a versatile and resilient material, possesses the capability to endure elevated temperatures and pressures, rendering it ideal for cooling system applications. Steel round bars can be precisely shaped and dimensioned to meet the varying requirements of distinct cooling system components such as pipes, fittings, valves, and heat exchangers. Furthermore, steel exhibits exceptional thermal conductivity, enabling efficient heat transfer within cooling systems. However, it is vital to meticulously consider the specific demands of the cooling system and seek advice from engineers or professionals to ascertain the appropriate grade of steel and ensure compatibility with other system components.

Q: What is the difference between a rough turned and a precision ground steel round bar?: A rough turned steel round bar refers to a steel bar that has undergone a rough machining process to remove excess material and bring the bar to a closer approximation of its final dimensions. This process typically involves removing the outer layer of the bar through turning or other machining methods. However, the bar is not yet finished to precise tolerances and may still have slight variations in diameter or surface roughness. On the other hand, a precision ground steel round bar has undergone a secondary machining process known as grinding. Grinding is a more precise and controlled method of removing material from the surface of the bar. It involves using a grinding wheel or abrasive tool to carefully remove small amounts of material, resulting in a bar with highly precise dimensions and a smoother surface finish. Precision ground bars are typically made to meet specific tolerances and have a more consistent diameter, surface finish, and straightness compared to rough turned bars. The main difference between a rough turned and a precision ground steel round bar is the level of precision and surface finish achieved. Rough turned bars are suitable for applications where tight tolerances and surface finish are not critical, such as in certain structural or machinery components. Precision ground bars, on the other hand, are preferred when precise dimensions, tight tolerances, and a smooth surface finish are required, such as in precision machining applications or where the bar will be used as a shaft or component in critical machinery or equipment.

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