The welding phase is perhaps the most important part of the production line
. There are several welding techniques employed, with the most common being high-frequency electric resistance welding (ERW) and submerged arc welding (SAW).Moreover, cold rolled steel shows superior strength characteristics. The work hardening that occurs during the cold rolling process increases its hardness, making it suitable for applications that require additional strength without the need for further processing. This property is particularly advantageous in the automotive industry, where cold rolled sheets are commonly used for body parts, frames, and structural components.