Your Professional Carbon Steel Bar Or Rod Supplier
Jiangsu Cunrui Metal Products Co., Ltd. was established on March 24, 2016. It is a modern enterprise specializing in the production and export of high-quality metal pipes.
Our company is a significant manufacturer of high-quality metal materials in China. Our product range includes stainless steel, carbon steel, alloy steel, silicon steel, etc., which are widely used in the medical, food, construction and other industries.
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S45C Carbon Steel BarS45C carbon steel bars are classified as medium-carbon steel. They are frequently used in the manufacture of structural components requiring exceptional durability and performance, such as shafts,
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1018 Carbon Steel Bar1018 Carbon Steel Bar is a low-carbon structural steel bar manufactured according to ASTM A29 / A108 and SAE 1018 standards.
Parameter
|
Item |
Specification |
|
Standard |
ASTM A36 |
|
Material |
Carbon Steel |
|
Shapes |
Round, Square, Flat, Rectangular |
|
Yield Strength |
≥ 250 MPa |
|
Tensile Strength |
400 – 550 MPa |
|
Elongation |
≥ 20% |
|
Hardness |
119 – 159 HB |
|
Surface Finish |
Hot-rolled, Pickled & Oiled, Black, Painted, Galvanized |
|
End Types |
Plain, Beveled, Threaded (optional) |
|
Processing Services |
Cutting, Drilling, Punching, Bending, Welding, Custom Fabrication |
Benefits of Carbon Steel Bar Or Rod

Strength and Durability
Carbon steel bar or rods are known for their high strength and durability. They are much stronger than other types of steel, and their durability makes them capable of withstanding extreme weather conditions without losing their strength. This strength and durability make carbon steel bars ideal for use in heavy-duty construction projects.
Malleability
Carbon steel bar or rods are highly malleable and easily molded into various shapes. This makes them ideal for use in manufacturing processes that require precision, especially when they need to be bent or shaped to fit specific requirements.
Cost-Effective
Carbon steel bar or rods are affordable and cost-effective materials that are perfect for use in construction and manufacturing projects. They are widely available and can be acquired at a lower cost than other alternatives, like stainless steel bars. This makes them an attractive option for businesses looking to keep their manufacturing and construction costs low.
Good Thermal Conductivity
Carbon steel bar or rods have good thermal conductivity, meaning they can conduct heat well. This property is because carbon steel has a lower melting point than other types of steel. The good thermal conductivity of carbon steel bars makes them ideal for use in applications where heat needs to be conducted away from sensitive components or areas.
Good Electrical Conductivity
Carbon steel bar or rods also have good electrical conductivity, meaning they can conduct electricity well. This property is because carbon steel has a lower resistivity than other types of steel. The good electrical conductivity of carbon steel bars makes them ideal for use in electrical applications where a good conductor is required.
Corrosion-Resistant
Carbon steel bar or rods are also resistant to the corrosive effects of moisture and chemicals. This makes them ideal for construction projects requiring strong materials that can withstand exposure to moisture. Carbon steel bars can also be coated in protective layers to further resist corrosion and extend their lifespan.
Economical
Carbon steel bar or rods are more economical than other steel bars because they are made with less expensive alloys. Carbon steel bars are typically made with a lower percentage of alloying elements, such as manganese, chromium, and nickel, which makes them less expensive to produce
Recyclable
Carbon steel bar or rods are 100% recyclable, making them an eco-friendly material. They are also reusable and can be used in other construction or manufacturing projects. This makes them a sustainable option that supports circular economy practices.

Types of Carbon Steel Bar Or Rods
Mild Carbon Steel Bars
Mild carbon steel bars typically contain up to 0.3% carbon, making them highly pliable and easy to weld. They are commonly used in construction projects where malleability and weldability are more important than high strength.
Medium Carbon Steel Bars
Carbon steel bars have a carbon content ranging from 0.3% to 0.6%. This type balances flexibility and strength, making it ideal for automotive and machinery components applications.
High Carbon Steel Bars
High-carbon steel bars contain between 0.6% and 1% carbon. Known for their high tensile strength and hardness, they are generally used in applications requiring high wear resistance, such as cutting tools and springs.
Ultra-High Carbon Steel Bars
Ultra-high carbon steel bars have more than 1% carbon content. These bars are incredibly hard but less ductile, mainly used in specialized applications like knife blades and cutting tools.
Application Of Carbon Steel Bar Or Rod
Automotive industry: Carbon steel bar or rods are used in the automotive sector to make different attachments, including crankshafts, camshafts, and steering shafts·these bars enhance the dependability and safety of street-based motors due to their high fatigue resistance and dimensional stability·
Construction industry: Carbon steel bar or rods are widely used in the manufacturing industry for structural components like beams, columns, and reinforcing bars· their high tensile strength and weldability make them ideal for supporting big loads and withstanding harsh climatic conditions·
Equipment manufacturing: Carbon steel bar or rods are used in the production of shafts, gears, axles, and other device components· their exceptional machinability and put-on resistance ensure top-of-the-line overall performance and toughness, which contributes to commercial operations’ performance·
Infrastructure development: Carbon steel bar or rods are widely utilised in building bridges, tunnels, trains and energy transmission towers globally· resistance to large loads and environmental forces makes them a viable choice for a durable and robust design·
Transportation
Whether it is air freight, express delivery, or sea freight, we can arrange shipments according to the time required by customers. We help customers inquire about the best rates and arrange the delivery of your goods in the most economical way. This allows you to control the schedule of the entire project to meet seasonal cargo demand.
Certificate

FAQ
As one of the most experienced carbon steel bar or rod manufacturers in China, we also support customized service. Please rest assured to buy cheap carbon steel bar or rod for sale here from our factory. If you have any enquiry about pricelist and free sample, please feel free to email us.
S45C Steel Bar, S45C Carbon Steel Rod, 1018 Steel Bar