Main prod. Group survey   Industriegruppenübersicht  
  deu 		  Résumé de groupes industriels  
  fra 		  Sumario de grupos industriales  
  esp

3

Iron and steel

Steel tubes and pipes, tubular steel products

Energy transport tubes

3015.32

District heat pipes

3015.35

Natural gas field tubes

3015.36

Gas conduit tubes

3015.37

Pipes for the geothermic technology

3015.71

Oilfield pipes

3015.72

Oil pipeline tubes

3015.74

Pipeline tubes

3015.84

Pipes for solar thermal energy

3015.97

Pipes for the wind energy technology