| 摘要 |
The present invention relates to a method for producing a steel tube (1) comprising the manufacturing of a steel tube (1) with an inner tube wall (2), an outer tube wall (3), and a free tube cross section enclosed by the inner tube wall (2), wherein after the manufacturing, the steel tube (1) comprises at least one contaminant on the outer tube wall (3) and entailing, after the manufacturing of the steel tube (1), cleaning of the outer tube wall (3) by applying liquid or solid CO2 onto the outer tube wall (3) in order to remove a contaminant from the outer tube wall (3). |
