D_INT
Ø interno:D – 2 x w.t.
Tolerance on Diameter (D/ID)
EN 10253-4 | D2:+/-1% or 0,5 mm whichever is the greater
EN 10253-4 | D3*:+/-0,75% or 0,3 mm whichever is the greater
EN 10253-4 | D4*:+/-0,5% or 0,1 mm whichever is the greater
DIN 2617:+/-1%
DIN 2617 | *:+/- 0,6 %
Tolerance on wall thickness
T (s1):T<=10mm: -0,35mm /+15%T>10mm:-0,5mm /+15%
Height
K (h):267 330 (b) +/-10