Carbon steel coils are composed of a combination of iron, carbon, and small amounts of other elements. The different components of the steel alloy determine the properties of the finished product, such as strength, ductility, and durability. Carbon steel coils are available in a range of grades, each with its own physical and chemical properties.

Low-carbon steels contain up to 0.30 percent carbon and are used for general purpose applications. They have low tensile strength and can be easily formed. Medium-carbon steels contain between 0.30 and 0.60 percent carbon and are used for a wide range of applications, including forgings and machinery parts. They have good tensile strength and can be heat-treated for improved strength. High-carbon steels contain between 0.60 and 1.0 percent carbon and are used for cutting tools, springs, and high-strength wires. They are extremely hard and durable but difficult to form.

Carbon steel coils are available in hot-rolled, cold-rolled, and coated forms. Hot-rolled steel coils are formed when the molten steel is passed between rollers and cooled at room temperature. Cold-rolled steel coils are produced by cold-rolling, a process in which the steel is passed through rollers at a temperature below its recrystallization temperature. Coated steel coils are produced by coating the surface of a cold-rolled steel coil with a layer of paint or powder.

Carbon steel coils are used in a wide range of applications, including automotive parts, construction components, pipes, and tubing. They are also used in the production of shipbuilding components, pressure vessels, boilers, and heat exchangers. Carbon steel coils are available in a range of grades and sizes to suit the needs of different applications.