Understanding Carbon Steel Coil: A Comprehensive Guide
What are carbon steel coils?
Carbon steel coils are flat rolled steel products produced using hot or cold rolling processes. They are primarily composed of iron and carbon, and contain other elements in varying proportions, which collectively determine their mechanical properties. Carbon steel coils are widely used in various industries, including automotive, construction, and manufacturing.
Applications of Carbon Steel Coil
Carbon steel coils have a very wide range of applications. Here are some of the most common uses:
- Automotive Industry: Carbon steel coils are widely used in the production of automotive parts, such as body panels, frames, and structural components, due to their high strength and durability.
- Construction Industry:In the construction industry, carbon steel coils are used to manufacture beams, columns, and other structural components that require high tensile strength.
- Manufacturing:Many manufacturers utilize carbon steel coils to produce electrical appliances, machinery, and tools, benefiting from their ductility and formability.
- Shipbuilding Industry: The marine industry relies on carbon steel coils to build hulls and other components that need to withstand harsh environments.
- Packaging:Carbon steel coils are also used in the production of packaging materials, such as cans and containers, because they can withstand pressure and corrosion.
Domestic and international carbon steel coil grades
Carbon steel coils are available in various grades, each designed for specific applications. Below are some common domestic and international grades:
- Q195: A low-carbon steel known for its good weldability and formability, commonly used in construction and manufacturing.
- Q215: Similar to Q195, but with a slightly higher carbon content, making it suitable for applications requiring increased strength.
- Q235B: A structural steel grade widely used in China, known for its good mechanical and weldability.
- Q355B: A high-strength low-alloy steel ideal for heavy-duty applications in construction and manufacturing.
- SPHC: A hot-rolled steel grade used in a variety of applications, including automotive and construction.
- SPHD: A type of hot-rolled steel with good formability, commonly used in the automotive industry.
- SPHE: A hot-rolled steel grade with excellent surface quality, suitable for deep drawing applications.
- DC01, DC03, DC04: Cold-rolled steel grades used in the manufacture of home appliances and automotive parts.
- ST12, ST13, ST14: European cold-rolled steel grades, renowned for their excellent surface finish and formability.




Dimensions of carbon steel coils
The dimensions of carbon steel coils vary depending on the specific application requirements. Typically, the dimensions of carbon steel coils are as follows:
- Thickness: Depending on the grade and application, the thickness ranges from 0.3 mm to 25 mm.
- Width: Common widths range from 600 mm to 2000 mm, and custom sizes are available upon request.
- Length: Coils can be produced in various lengths, with standard lengths ranging from 1000 mm to 6000 mm.
Description of Basic General Parameters
- Inner Diameter (ID):Standard steel coil cores—508 mm (20 inches), 610 mm (24 inches); narrow-strip small coils—300/400 mm
- Weight per Coil:Typically 5–28 metric tons; container weight limit: 25 metric tons or less
- Theoretical Weight Formula:Weight (kg) = Thickness (mm) × Width (m) × Length (m) × 7.85
- Applicable Grades:Q195/Q235/Q355, SPHC/SPCC, A36, S235JR, 1008, etc.
Hot-Rolled Carbon Steel Coils HRC (SPHC/Q235/Q355)
- Thickness Specifications

- Standard Widths (In Stock)
1000 mm, 1250 mm, 1500 mm, 1800 mm; can be slit into narrow strips of 600, 750, or 900 mm
Imperial equivalents: 48“, 60”, 72"
- Approximate Weight per Coil
- 1250 mm wide, 3.0 mm thick: Approximately 8–12 metric tons per coil
- 1500 mm wide, 10 mm thick: Approximately 15–25 metric tons per coil
Cold-Rolled Carbon Steel Coils CRC (DC01/03/04, 08Al, 1008)
- Thickness Specifications

- Standard Widths
In stock: 1000, 1250, 1500 mm; can be slit into narrow strips ranging from 400 to 950 mm

Shandong Baimaoxing Steel Co., Ltd. offers factory-direct carbon steel coils, ensuring customers receive competitive prices without compromising quality. All our steel coils come with Material Testing Certificates (MTC) guaranteeing compliance with international standards, including EU CE certification.
Historical Sales Comparison of Carbon Steel Coil
Over the years, the demand for carbon steel coils has fluctuated significantly due to various factors such as economic growth, industrial demand, and global market trends.
- 2018-2019: The market experienced steady growth due to increased construction activity and automobile production.
- 2020: The COVID-19 pandemic caused shutdowns and production stoppages across various industries, leading to decreased demand and a temporary decline in sales.
- 2021-2022: As various industries resumed operations, the market recovered rapidly, leading to a surge in demand for carbon steel coils.
- 2023: The market is expected to stabilize, with a focus on sustainable practices and innovation in steel production.


Related issues
- What are the advantages of using carbon steel coils?
Carbon steel coils have advantages such as high strength, good weldability, and high cost performance, making them an ideal choice for various applications.
- How do I choose the appropriate grade of carbon steel coil for my project?
Please consider the specific requirements of your application, including strength, formability, and environmental conditions, to select the appropriate grade.
- Where can I find reliable manufacturers and exporters of carbon steel coils?
Shandong Baimaoxing Steel Co., Ltd. is a trustworthy supplier of carbon steel coils, offering a wide variety of products at competitive prices.
In short, carbon steel coils are an indispensable material across various industries, and understanding their properties, grades, and applications helps businesses make informed decisions. Shandong Baimaoxing Steel Co., Ltd. is committed to providing high-quality carbon steel coils to meet the diverse needs of its customers. Whether you require bulk orders or specific grades, we can serve you with factory-direct sales and highly competitive prices.










