Design of piping komponents under external pressure
acc. to EN 13480-3 and AD-2000 B6 for cylidrical pipes
Attention!
This calculation is only a simplified estimation and does not replace a detailed design calculation.
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Material type
ferrit
austenit
martensit
Product type
rolled steel or forgings
steel custing
Minimum 0.2% proof strength
R
p0.2 t
N/mm²
Modulus of elasticity
E
t
N/mm²
Poisson's ratio
ν
Outer diameter of the pipe
D
a
mm
Out-of-roundness
u
%
Pipe wall thickness
e
mm
Pipe manufactoring tolerance
c
1
%
mm
Pipe corrosion allowance
c
2
mm
Unstiffened pipe length
l
mm
Thickness of the ring stiffener sheet
b
mm
Width of the ring stiffener
h
mm
Required external design pressure
p
bar