Tubes for welding and threading are unalloyed carbon steel round tubes whose manufacturing standards are regulated by EN 10255.
These tubes are used for conveying gas and water in plumbing and heating systems, in sprinklers or in firefighting systems.

The use of a threaded tubes in the construction of the implants allows screwing, which facilitates installation.
The threads can be of the “male” type, with the mouth on the outside, or the “female” type, with the mouth on the inside.
The threaded end of the pipes is always of the male type, while that of the various fittings can be of the male or female type.