Mild steel round tube that is cold rolled refers to a type of mild steel tube that has been processed through a cold rolling method. Cold rolling is a manufacturing process that involves passing a metal sheet or strip through rollers at room temperature to reduce its thickness, improve its surface finish, and increase its mechanical properties.

Some key features of mild steel round tube cold rolled 1018 include:

1. Smooth Surface Finish: Cold rolling process results in a smooth surface finish on the mild steel round tube, which is suitable for applications where a polished or refined appearance is desired.
2. Tighter Tolerances: Cold rolling allows for tighter tolerances in terms of dimensional accuracy and consistency, making mild steel round tube cold rolled 1018 suitable for precision applications where precise measurements are critical.
3. Improved Mechanical Properties: Cold rolling can improve the mechanical properties of mild steel, including increased tensile strength, yield strength, and hardness, compared to hot rolled mild steel round tube.
4. Uniform Grain Structure: Cold rolling can result in a more uniform grain structure in the mild steel round tube, which can contribute to improved mechanical properties and better overall performance.
5. Versatility: Mild steel round tube cold rolled 1018 is versatile and can be used in a wide range of applications, including but not limited to, manufacturing, fabrication, automotive, construction, and general engineering.
6. Machinability: Mild steel round tube cold rolled 1018 is known for its excellent machinability, which makes it suitable for machining, drilling, cutting, and other fabrication processes.
7. Cost-effective: Cold rolling is generally a cost-effective manufacturing process, and mild steel round tube cold rolled 1018 can provide a cost-efficient option for various applications compared to other higher-cost materials.

It’s important to note that mild steel round tube cold rolled 1018 is not typically used in high-temperature or highly corrosive environments, as it may not have the same level of corrosion resistance as some other materials. Proper handling and safety precautions should be followed during fabrication, installation, and use, and consultation with appropriate engineering and construction guidelines is recommended for the proper use of mild steel round tube cold rolled 1018 in specific applications.