Product Introduction

Carbon Steel Round Bar is a versatile metallic material composed primarily of iron and carbon, with carbon content typically ranging from 0.05% to 2.0%. Enhanced by alloying elements like manganese or silicon, it offers exceptional strength, hardness, and machinability, making it ideal for industrial applications. Its mechanical properties can be further tailored through heat treatments such as quenching and tempering, allowing it to adapt to diverse operational demands. Widely used in mechanical engineering, construction, automotive manufacturing, and tool production, this material serves as a cost-effective solution for shafts, gears, fasteners, and wear-resistant components. Its weldability and ease of cutting also streamline fabrication processes across industries.

Categorized by carbon content—low-carbon (≤0.25% C), medium-carbon (0.25%–0.6% C), and high-carbon (>0.6% C)—each type offers distinct advantages. Low-carbon variants excel in formability and welding, while medium-carbon steel balances strength and toughness for machinery parts. High-carbon steel, prized for its hardness, is common in cutting tools and springs. Surface treatments like galvanizing or blackening improve corrosion resistance, and manufacturing processes such as cold drawing or hot rolling adjust dimensional precision and surface finish. This adaptability ensures Carbon Steel Round Bar remains indispensable in both precision engineering and heavy-duty applications.

About Us

Zhongxi Metal is a professional manufacturer engaged in the research, development, production, sale and service.,  is committed to providing one-stop steel procurement services for global client.

Why Choose Carbon Steel Round Bar?

1. Strength and Durability: Carbon steel round bar is renowned for its high strength-to-weight ratio, making it ideal for structural applications.
2. Cost-Effectiveness: Carbon steel round bar is affordable compared to other types of steel, providing a cost-effective solution for your projects.
3. Easy Machinability: With the ability to be cut and shaped with ease, carbon steel round bar offers flexibility during fabrication processes.
4. Wide Range of Applications: Carbon steel round bar finds utility in industries such as aerospace, automotive, oil and gas, and more, due to its versatile properties.

We have our own Physical & Chemical Testing Center Lab to guarantee our product quality. Our test items & instrument fully meet international standards.

Applications of Carbon Steel Round Bar

As a basic industrial material, carbon steel round bars play a key role in many fields with their excellent mechanical properties and wide applicability. In the field of construction and infrastructure, carbon steel round bars are often used to manufacture core components such as beams, columns, bridges, and steel structures. Their high strength and good plasticity can withstand complex mechanical loads and ensure structural stability. For example, low-carbon steel round bars (carbon content ≤ 0.25%) are widely used in steel bars, bolts, and mechanical parts due to their easy processing and good welding performance; medium-carbon steel round bars (carbon content 0.25%~0.6%) are suitable for high-load components such as shafts, gears, and seamless steel pipe billets due to their balance of strength and toughness. In addition, in the energy industry, carbon steel round bars are used for oil/gas pipelines, power generation equipment, and nuclear power plant structural parts. Their high temperature resistance and corrosion resistance meet the requirements of extreme working conditions.

In the field of automobile and machinery manufacturing, the application of carbon steel round bars is also indispensable. In the automotive industry, it is used in components such as body frames, chassis, engine brackets, and wheels to provide safe and reliable mechanical support. High carbon steel round bars (carbon content > 0.6%) are often used to manufacture cutting tools, bearings and springs due to their extremely high hardness to ensure wear resistance and service life. For example, W1 tool steel round bars are used to make chisels, punches, woodworking tools, swords and knives with their excellent wear resistance, hardenability and toughness. They are especially suitable for cutting tasks that require high precision and durability. In addition, carbon steel round bars are also widely used in the manufacture of equipment such as pipes, boilers, containers, railway vehicles and electric welders. Special purpose round steel (such as prestressed steel wire, spring round steel) shows unique value in specific fields. Its diverse performance and specifications make carbon steel round bars an indispensable basic material in modern industry.

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As a leading company, Zhongxi Metal is known for our excellent product quality and professional services, providing our customers with a reliable partner. We have a global sales network that can meet the needs of customers in different countries and regions.If you need more information about us or have any other needs, please feel free to contact us. We look forward to working with you to create a better future.