ST 75x12.85 ST 3x8.6
United States
Dimensies
d
76.2 mm
ddet
76.2 mm
b
90.7 mm
bf,det
92.1 mm
tf
9.12 mm
tf,det
9.52 mm
tw
11.8 mm
tw,det
11.1 mm
Secundaire afmetingen
kdes
20.7 mm
kdet
20.6 mm
Eigenschappen
W
12.8 kg/m
A
1,630 mm²
xo
0 mm
eo
45.3 mm
x-x as
Ix
882,000 mm⁴
Sx
16,700 mm³
Zx
30,300 mm³
rx
23.2 mm
y
23.2 mm
yp
10 mm
y-y-as
Iy
475,000 mm⁴
Sy
10,500 mm³
Zy
19,200 mm³
ry
17.1 mm
x
45.3 mm
xp
45.3 mm
Torsie
J
75,300 mm⁴
Cw
20.7ᴇ6 mm⁶
Wno
0 mm²
ro
34.3 mm
Aanvullende eigenschappen
tw,det
2
6.35 mm
bf
2tf
4.97
D
t
6.45
H
0.705
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Mn
Ωb
3.45 kN-m
Vn
Ωv
111 kN
Wmax
14.5 kN
Pmax
7.25 kN
Minor Axis Bending
Mn
Ωb
3.45 kN-m
Vn
Ωv
102 kN
Wmax
9.06 kN
Pmax
4.53 kN
Axial Strength
Pn
Ω
274 kN
Pn
Ωc
52.9 kN
