• C45 Density of Carbon Steel System 1
  • C45 Density of Carbon Steel System 2
  • C45 Density of Carbon Steel System 3
  • C45 Density of Carbon Steel System 4
  • C45 Density of Carbon Steel System 5
  • C45 Density of Carbon Steel System 6
C45 Density of Carbon Steel

C45 Density of Carbon Steel

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30 m.t.
Supply Capability:
120000 m.t./month

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C45 Density of Carbon Steel     



1, Diameter: 8mm-250mm rounds

                     5mm-9mm rods

2, Length: 2m, 3m, 5.8m, 6m or customized

3, Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN

                     OEM technology - send detailed technical parameters for accurate quotation.

2, Produce Process: smelt iron - EAF smelt billet - ESR smelt billet - 

                                  hot rolled or forged to get the steel round bar and plate

3, Heat Treatment: annealing, normalizing, tempering, quenching

4, Surface Treatment: Black, Polished, Galvanized

5, Quality Assurance: We accept third party inspection for all orders. 

     You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.

Chemical Component


0.42~0.50%0.17~0.37%0.50~0.80%≤0.035% ≤0.035%≤0.25%≤0.25%≤0.25%


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C45 Density of Carbon Steel 


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.




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?


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 is the maximum length of a steel round bar that can be produced?
The maximum length of a steel round bar that can be produced depends on various factors such as the manufacturing process, the size and capacity of the equipment, and the logistical constraints involved. In general, steel round bars can be produced in lengths ranging from a few feet to several hundred feet. However, it is important to note that longer lengths may come with certain limitations or considerations. For instance, in hot rolling mills, the maximum length of a steel round bar is often determined by the size and capacity of the rolling mill itself. The length of the bar should be within the range that can be effectively rolled and processed by the machinery. Additionally, transportation and handling logistics can also impose constraints on the maximum length of a steel bar. Longer bars may require specialized equipment or careful planning to ensure safe and efficient movement. Therefore, it is crucial to consider the specific production capabilities and constraints of the steel manufacturer or supplier when determining the maximum length of a steel round bar that can be produced.
Q:What are the different types of steel round bar coatings used in the automotive industry?
There are several different types of steel round bar coatings used in the automotive industry, including galvanized coatings, epoxy coatings, and powder coatings. These coatings are applied to the steel bars to provide protection against corrosion, enhance durability, and improve the overall appearance of the automotive components.
Q:Can steel round bars be used for making turbine blades?
No, steel round bars are typically not used for making turbine blades. Turbine blades are often made from materials such as titanium or nickel-based superalloys, which provide the necessary strength, heat resistance, and aerodynamic properties required for efficient turbine operation.
Q:Can steel round bars be threaded?
Yes, steel round bars can be threaded. Threading is a common process used to create a helical ridge on the surface of a round bar, allowing it to be securely fastened to other components or fittings.
Q:How do steel round bars differ from steel square bars?
Steel round bars and steel square bars differ in their shape and cross-sectional design. While round bars possess a circular shape throughout their length, square bars have a square shape. This distinction affects their mechanical properties and applications. Round bars offer enhanced tensile strength and are often used in applications where rotational motion or bending is required, such as in construction, machining, and transportation industries. On the other hand, square bars provide more stability and structural support due to their flat sides, making them suitable for applications requiring load-bearing capabilities, like supports, frames, and braces. Ultimately, the choice between round bars and square bars depends on the specific requirements and intended use of the steel.
Q:How do you store excess steel round bars?
In order to maintain the longevity of excess steel round bars and prevent any damage, it is imperative to adhere to specific guidelines. Here are several measures that can be implemented: 1. It is essential to thoroughly clean and examine the steel round bars prior to storage. Remove all traces of dirt, grease, or moisture from the surface to hinder corrosion. 2. Opt for an appropriate storage location. Ideally, select a well-ventilated, dry area with stable temperatures. Avoid areas that are susceptible to moisture, extreme heat, or direct sunlight when storing the bars. 3. Implement the use of racks or pallets for bar storage. Arrange them horizontally, one on top of the other, ensuring there is ample space between each layer to prevent any deformation or bending. 4. If the bars are to be stored outdoors, ensure they are covered with a waterproof tarp or a protective coating to safeguard against rain, snow, and other elements. 5. Refrain from placing excessive weight on top of the bars to prevent deformation. Additionally, exercise caution regarding any sharp objects or edges in close proximity that could potentially cause damage. 6. Regularly inspect the stored bars to detect any signs of corrosion, rust, or other damage. If any issues are identified, promptly address them by taking the necessary measures. It is crucial to bear in mind that proper storage is paramount to preserve the quality and integrity of the steel round bars. By adhering to these guidelines, one can ensure that the excess steel round bars remain in optimal condition until they are required for future use.
Q:Excuse me, the difference between round steel, screw steel, steel, plate material, steel wire, hope professional answer
Anything you say can be called steel bar, except steel wire. Round and round is a name, and wire coil, general line.
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:How do you measure the straightness tolerance of a steel round bar?
To measure the straightness tolerance of a steel round bar, you can use a straightness measuring instrument such as a straight edge or a laser alignment tool. By placing the instrument along the length of the bar, any deviations from straightness can be observed and measured. The maximum allowable deviation from a perfectly straight line, known as the straightness tolerance, is typically specified in the industry standards or customer requirements.
Q:Are steel round bars suitable for welding applications?
Yes, steel round bars are suitable for welding applications. Steel is a commonly used material in welding due to its high strength and durability. Round bars have a consistent shape and provide good stability and support during the welding process. They can be easily welded using various methods such as MIG, TIG, or stick welding, making them ideal for a wide range of welding applications in industries like construction, manufacturing, and automotive.

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