Carbon steel pipes for the conveyance of fluids. Black or galvanized, plain end, bevelled or threaded. Driving tubes without specified material for a maximum pressure of 25 kgf/cm2 for liquids and 10 kgf/cm2 for air gases and non-hazardous. Can be supplied with smooth ends, chamfered or threaded. This standard is almost equal to Brazilian standard NBR 5580 class M.
DIN-2440 (ABNT-NBR-5580)