Tolerance limits
According standard EN 10224 :
External Diameter : ± 1% ( minimum ± 0,5 mm )
Thickness : upper limit according mass tolerance
lower limit: – 10%
Mass : ± 10% per each pipe ( ± 7,5% per each lot of 10 tons min. )
Pipe length : -0 +50 mm ( restricted tolerance available on request )