page1
x
x
y
y
s
t
r2
r1
h
b
d1
w
%14
x
x
y
y
a1
IPN steel beam
DIN 1025/1
h - Beam height
b - Flange width
s = r1 - Web thickness
t - Flange thickness
a1 - Distance between beam axes so that Ix = Iy (see chart)