Tenaris produce precision seamless tubes for mechanical applications that satisfy the European norm EN 10305-1, in the grades shown in table 1 (Tenaris can supply others steel grades according to different international standards, i.e.: EN... ASTM..., as shown in table 1). The tubes are cold drawn, thereby guaranteeing optimum dimensional tolerances and can be supplied in different final treatment states. Certain grades can be supplied with a limited sulfur content to guarantee good machinability.

The products described below have an application in the field defined by 'Machinery Directive 98/37/EC', that is for mechanical and general engineering purposes. They are excluded from use in specialized work, such as in pressure vessels and structural applications. These being subject to other EN norms, Community directives or national laws in force in the countries where they are being used.