Historical
DIN EN 10305-3:2003
Steel tubes for precision applications - Technical delivery conditions - Part 3: Welded cold sized tubes (Foreign Standard)
The document specifies the technical delivery conditions for welded cold sized steel tubes of circular cross section for precision applications manufactured from steels given in table 2. Tubes according to this part of prEN 10305 are characterized by having precisely defined tolerances on dimensions and a specified surface roughness.
Deutsches Institut für Normung [din]