W
t
C
a1
b1
a2
b2
e1/e2
f1/f2

 

=width or diameter of the holes
=centre distance of the holes
=bridge
=width of the panel
=length of the panel
=width of the perforated zone
=length of the perforated zone
=non perforated zone in longitudinal direction
=non perforated zone in transverse direction

DIN/EN/ISO 24043

width of the hole

centre distance

free area

material thickness

W

t

Ao%

0,5

0,75

1,0

1,5

2,0

2,5

3,0

4,0

5,0

6,0

3,0

5,0

36,0

s

s

4,0

7,0

32,5

s

s

s

s

5,0

8,0

39,0

s

s

s

s

s

s

s

6,0

9,0

44,0

 s

 s

s

s

s

s

8,0

12,0

44,0

 s

s

s

s

s

s

10,0

15,0

44,0

s

s

s

s

s

12,0

18,0

44,0

s

s

s

14,0

20,0

49,0

s

s

s

s

s

s

16,0

20,0

64,0

s

s

s

18,0

24,0

56,0

s

s

s

s

20,0

25,0

64,0

s

s

s

s

s

25,0

33,0

57,5

s

s

s

30,0

40,0

56,0

s

s

s

s

s

s

35,0

50,0

49,0

s

s

s

40,0

50,0

64,0

s

s

s

s

s

s

s

s

45,0

55,0

67,0

s

s

s

s

s

s

s

s

50,0

libero

s

s

s

s

s

s

s

s

55,0

libero

s

s

s

s

60,0

libero

s

s

s

s

s

s

s

70,0

libero

s

s

s

s

80,0

libero

s

s

s