Carbon content of carbon steel tube and its effect on performance

Carbon content range of carbon steel tube:

Carbon steel tube (CS tube), as a kind of iron-carbon alloy, its carbon content is a key factor affecting its performance. Generally speaking, the carbon content of carbon steel tube is between 0.08% and 2.11%. This range is determined based on years of production practice, scientific research and industry standards, and it covers three main types of low carbon steel, medium carbon steel and high carbon steel.

The effect of different carbon content on the performance of carbon steel tube:

1. Low carbon steel: Low carbon steel with a carbon content between 0.08% and 0.25% has good machinability, weldability and toughness. Due to its relatively low hardness, it is easier to perform various processing operations. However, the strength of low carbon steel is also relatively low, and it is usually suitable for some occasions with low strength requirements, such as building materials, manufacturing screws and nuts, etc.

2. Medium carbon steel: Medium carbon steel with a carbon content between 0.25% and 0.60% has relatively good strength, hardness and wear resistance. This makes medium carbon steel widely used in some fields that require higher strength and hardness, such as bearings, transmission shafts, mechanical parts, etc. However, the weldability and toughness of medium carbon steel are relatively poor, and appropriate heat treatment is required to improve its performance.

3. High carbon steel: High carbon steel with a carbon content between 0.60% and 2.11% has extremely high hardness and strength. This makes high carbon steel very suitable for manufacturing various steel products that need to withstand high loads and high-speed operation, such as springs, saw blades, drill bits, blades, etc. However, the weldability and toughness of high carbon steel are relatively poor, so special attention should be paid to avoid overload and impact during use.

Selection basis of carbon content of carbon steel tube:

When selecting carbon steel tubes, in addition to considering its carbon content, it is also necessary to make a comprehensive judgment based on the specific use environment and needs. For example, in a highly corrosive environment, low carbon steel or medium carbon steel with better corrosion resistance should be given priority; while in situations where strength and hardness are required to be high, high carbon steel can be considered. In addition, factors such as cost, processing difficulty, and service life need to be considered to ensure that the selected carbon steel pipe can meet the needs of actual applications.

Application scenarios of carbon steel tubes:

1. Construction field
Carbon steel tubes are widely used in the construction field and are often used in building structures, underground water pipes, heating pipes, etc. Carbon steel pipes are widely used because they are low-priced, strong in pressure resistance, and good in corrosion resistance. In building structures, carbon steel pipes are used as materials for parts such as support frames and hangers to ensure the stability and safety of building structures.

2. Manufacturing field
Carbon steel tubes can be used as materials for manufacturing mechanical tubing or parts and are often used to make bearings, gears, screws, etc. Carbon steel tubes have the characteristics of high strength and good wear resistance, which allows them to withstand large loads and friction, so they are widely used in the manufacturing field.

3. Chemical industry
In the chemical industry, many pipes and pipe fittings are needed. Carbon steel tubes are widely used in the chemical industry as a commonly used pipe material. Since chemical substances are often corrosive, choosing the right pipe material can improve the service life and safety of the entire pipeline system. Carbon steel pipes have good corrosion resistance and perform well even in acidic and alkaline environments.

4. Energy field
In the energy field, carbon steel tubes are mainly used to transport some media, such as oil, gas, water, etc. Since carbon steel pipes have the characteristics of high strength and good wear resistance, the hydraulic performance and sealing performance of the pipeline can be guaranteed, making the transportation process safer and more stable.

In summary, carbon steel tubes are a type of pipe widely used in various fields, with characteristics including low price, high strength, and good corrosion resistance. It has important applications in construction, manufacturing, chemical industry, energy and other fields. When choosing carbon steel pipes, it is necessary to combine the specific application scenarios and medium characteristics for comprehensive consideration to ensure the stability and safety of the pipeline system.

Read more: Advantages and disadvantages of carbon steel pipe