This European Standard specifies the requirements for circular non-alloy steel tubes suitable for welding and threading and provides a number of options for the finish of tube ends and coatings. This European Standard covers tubes of specified outside diameter 10,2 mm to 165,1 mm (thread size 1/ 8 to 6) in two series, medium and heavy, and three types of designated thicknesses.
NOTE Tubes manufactured according to this European Standard can be used for the conveyance of fluids as well as for other applications.