Hot Rolled Round Steel Bars C45 System 1

Hot Rolled Round Steel Bars C45 System 2

Hot Rolled Round Steel Bars C45 System 3

Hot Rolled Round Steel Bars C45 System 4

Hot Rolled Round Steel Bars C45

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

Chat Online

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

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:How many tons of pressure can the round steel of 70 inches bear?: As the diameter of about 11.5 cm diameter 180 cm long in the middle of the force which kind of force will be smaller if the curvature is hollow capability hollow wall thickness to achieve much greater strength than solid to do not understand what the best please say a little more thank you good answer is a plus

Q:What is the resistance to wear of a steel round bar?: The resistance to wear of a steel round bar can vary depending on various factors, such as the specific type of steel used, its hardness, surface finish, and any protective coatings or treatments applied to it. Generally, steel is known for its excellent resistance to wear and can withstand abrasion and friction quite well. Steel is inherently a durable and strong material, which makes it resistant to wear caused by repetitive or prolonged contact with other surfaces. Its hardness and strength allow it to resist deformation, chipping, or cracking, even under high-stress conditions. This property makes steel round bars suitable for applications that involve heavy loads, constant movement, or abrasive environments. However, it is important to note that the resistance to wear of a steel round bar can still be influenced by external factors. For example, if the steel round bar is exposed to corrosive environments or subjected to improper handling or maintenance, its wear resistance may be compromised. In such cases, corrosion or surface damage can occur, leading to a decrease in the overall resistance to wear. To enhance the wear resistance of a steel round bar, additional measures can be taken. For instance, heat treatments like quenching and tempering can be applied to improve the hardness and strength of the steel, thereby increasing its wear resistance. Additionally, coatings such as chrome plating or nitriding can be used to provide an extra layer of protection against wear, reducing friction and improving the overall lifespan of the steel round bar. In conclusion, the resistance to wear of a steel round bar is generally high due to its inherent durability and strength. However, factors like the specific type of steel, surface finish, coatings, and environmental conditions can affect its wear resistance. Proper selection, handling, and maintenance of the steel round bar can help ensure optimal wear resistance and prolong its lifespan.

Q:Can steel round bars be used in the marine industry?: Yes, steel round bars can be used in the marine industry. Steel is a strong and durable material that can withstand the harsh conditions of the marine environment, including corrosion from saltwater. Steel round bars are commonly used for various applications in the marine industry, such as shipbuilding, offshore structures, and marine equipment, due to their excellent mechanical properties and resistance to corrosion.

Q:How do you calculate the moment of inertia for a steel round bar?: To calculate the moment of inertia for a steel round bar, you can use the formula for the moment of inertia of a solid cylinder. The moment of inertia, usually denoted as I, represents the resistance of an object to changes in its rotation. The formula for the moment of inertia of a solid cylinder is: I = (1/2) * m * r^2 Where: - I is the moment of inertia - m is the mass of the cylinder - r is the radius of the cylinder To calculate the moment of inertia for a steel round bar, you need to know the mass and the radius of the bar. The mass can be determined by multiplying the density of steel by the volume of the cylinder. The volume of a cylinder is given by the formula: V = π * r^2 * h Where: - V is the volume - r is the radius - h is the height or length of the round bar Once you have the mass and the radius, you can substitute these values into the formula for the moment of inertia to calculate it. Remember to convert the units to be consistent (e.g., if the radius is given in centimeters, convert it to meters). It is important to note that the moment of inertia calculated using this formula assumes that the steel round bar is a solid cylinder. If the bar has a different shape or has hollow sections, you will need to consider those factors in your calculation.

Q:What's the difference between pure iron round steel and electromagnetic pure iron bar?: One thing, one thing, the same thing is round. However, in the general industry, about 30 of the habit is called bar,

Q:How do you straighten a bent steel round bar?: To straighten a bent steel round bar, you can follow a few simple steps: 1. Assess the bend: Determine the severity and location of the bend in the round bar. This will help you decide which method to use for straightening. 2. Heat the bar: If the bend is not too severe, you can heat the bar using a blowtorch or a forge. Apply heat evenly across the bent area until it becomes red hot. Heating the bar will make it more malleable and easier to straighten. 3. Apply pressure: Once the bar is heated, you can use a vice or a hydraulic press to apply pressure on the bent section. Gradually increase the pressure until the bar starts to straighten. Be careful not to apply excessive force as it may cause the bar to break. 4. Use leverage: If the bend is not too severe, you can also use leverage to straighten the bar. Secure one end of the bar in a vice or clamp and apply force to the bent section in the opposite direction. Slowly and gently increase the force until the bar straightens. 5. Cold bending: If the bend is minor, you may be able to straighten the bar without applying heat. This method involves using a hammer or mallet to gently tap the bent area in the opposite direction until it straightens. Be cautious not to strike the bar too hard, as it may create new bends or fractures. 6. Check for straightness: After applying the straightening method, carefully inspect the bar to ensure it is straight. If there are any remaining bends, repeat the process until the bar is completely straight. Remember to wear appropriate safety gear, such as gloves and eye protection, when working with steel bars. It is also advisable to consult a professional if you are unsure about the straightening process or if the bar is severely bent.

Q:How do steel round bars compare to other materials like aluminum or stainless steel?: Steel round bars have several advantages over other materials like aluminum or stainless steel. Firstly, steel round bars are known for their exceptional strength and durability. They have a high tensile strength, making them capable of withstanding heavy loads and extreme conditions. This makes them ideal for applications where strength and resilience are crucial, such as construction, manufacturing, and engineering. Compared to aluminum, steel round bars offer superior strength and hardness. While aluminum is lightweight, it is not as strong as steel, which can be a limiting factor in certain applications. Steel round bars also have a higher resistance to impact and abrasion, making them more suitable for heavy-duty applications that require resistance to wear and tear. In terms of comparing steel round bars to stainless steel, it's important to note that stainless steel is an alloy that contains steel as its main component. Stainless steel is known for its corrosion resistance, making it an excellent choice for applications where exposure to moisture or harsh environments is a concern. However, stainless steel does not possess the same level of strength as steel round bars. Steel round bars are capable of carrying heavier loads and providing better structural integrity. Another aspect to consider is the cost-effectiveness of steel round bars compared to aluminum or stainless steel. Steel is generally more affordable than stainless steel and aluminum, making it a popular choice for a wide range of applications. Additionally, steel round bars are readily available in various sizes and grades, offering versatility and ease of use. Overall, steel round bars excel in terms of strength, durability, and cost-effectiveness when compared to other materials like aluminum or stainless steel. However, the choice of material ultimately depends on the specific requirements of the application and the desired properties needed for the project.

Q:What are the advantages of using heat-resistant steel round bars?: Heat-resistant steel round bars have several advantages. Firstly, they are designed specifically to maintain their mechanical properties even in high temperatures. This means they can remain strong and structurally sound in extreme heat conditions. Secondly, these round bars have exceptional resistance to corrosion. This makes them highly durable and suitable for environments where they may come into contact with corrosive substances or chemicals. Their resistance to corrosion ensures a longer lifespan and reduces the need for frequent maintenance or replacement. Additionally, heat-resistant steel round bars have superior thermal conductivity. This allows them to efficiently transfer heat, which is beneficial in industries like power generation or petrochemicals where heat transfer is crucial. Using heat-resistant steel round bars guarantees optimal performance and energy efficiency. Furthermore, these round bars offer excellent dimensional stability. Even when exposed to high temperatures, they retain their shape and size without warping or deforming. This is particularly important in applications that require precise measurements and tight tolerances. Lastly, heat-resistant steel round bars come in various sizes and grades, offering versatility in their applications. They can be used in industries such as aerospace, automotive, construction, and manufacturing, where high temperatures are involved. In conclusion, the advantages of using heat-resistant steel round bars include their ability to withstand high temperatures, resistance to corrosion, superior thermal conductivity, dimensional stability, and versatility in applications. These benefits make them an ideal choice for industries that require materials to perform reliably under extreme heat conditions.

Q:What is the modulus of elasticity of a steel round bar?: The modulus of elasticity of a steel round bar typically ranges from 190 to 210 gigapascals (GPa).

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.

1. Manufacturer Overview
Location
Year Established
Annual Output Value
Main Markets
Company Certifications

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port
Export Percentage
No.of Employees in Trade Department
Language Spoken:
b)Factory Information
Factory Size:
No. of Production Lines
Contract Manufacturing
Product Price Range