AISI 1018 Carbon Steel Round Bar is a high-quality carbon steel product known for its balanced composition, featuring key elements such as carbon, manganese, chromium, molybdenum, silicon, phosphorus, and sulfur. This alloy is popular for its machinability, weldability, and formability, making it ideal for a wide range of industrial applications.

Kiran Enterprises is a prominent exporter and supplier of AISI 1018 Carbon Steel Round Bars, offering them in various dimensions, types, and finishes to meet diverse industry needs. These bars adhere to multiple specifications, including AISI 1018 and ASME SA1018 standards, ensuring compliance with international quality benchmarks. Dimensions for these round bars are customizable based on the requirements of various standards such as EN, DIN, JIS, ASTM, BS, ASME, and AISI.

Due to their excellent mechanical properties, manufacturers widely use AISI 1018 Carbon Steel Round Bars in the manufacture of gears, pins, ratchets, dowels, fixtures, machine parts, and tool components.

Carbon Steel Round Bars are a type of long, cylindrical steel bar composed primarily of iron with carbon as the primary alloying element. Carbon content in these bars typically ranges from 0.05% to 1.5%, depending on the grade, influencing the material’s hardness, strength, and overall machinability. Carbon steel is known for its strength and durability, making it ideal for applications requiring high tensile strength and resistance to wear and tear.

Key Characteristics of Carbon Steel Round Bars Strength and Hardness: 
Higher carbon content increases the bar’s strength and hardness but may slightly reduce its ductility. Low-carbon variants are more ductile and easier to machine, while high-carbon grades are much harder and stronger.Machinability and Weldability: Low- to medium-carbon steel round bars are easily machinable and weldable, which makes them versatile for various manufacturing applications. Higher carbon content reduces weldability, often requiring preheating before welding.

Corrosion Resistance: Carbon steel round bars typically do not possess high corrosion resistance without additional coatings or treatments, such as galvanization or painting.

Heat Treatment Compatibility: Carbon steel round bars respond well to heat treatment processes like annealing, quenching, and tempering, which help in optimizing hardness and tensile strength for specific applications.

Common Applications Carbon steel round bars are widely used across multiple industries due to their durability and affordability. Some common applications include:

Automotive Components: Used in axles, crankshafts, and connecting rods. Construction: Used in reinforcing bars, beams, and structural frameworks. 

Manufacturing: employed in making tools, machine parts, gears, and industrial fasteners.
Agricultural Equipment: Used in the production of farm machinery components that endure heavy use.
 
Grades of Carbon Steel Round Bars Several grades exist based on carbon content and additional alloying elements:

Low Carbon (Mild) Steel: Contains 0.05-0.25% carbon and offers excellent machinability and weldability (e.g., AISI 1018).

Medium Carbon Steel: Contains 0.25-0.60% carbon, offering balanced strength and machinability (e.g., AISI 1045).

High Carbon Steel: Contains 0.60-1.5% carbon, providing high strength and hardness but lower ductility (e.g., AISI 1095).

Carbon Steel Round Bars, given their range of grades, offer versatility in mechanical performance, supporting a broad spectrum of structural and industrial uses.