C 75x7.4 C 3x5
United States
尺寸
d
76.2 mm
ddet
76.2 mm
b
38.1 mm
bf,det
38.1 mm
tf
6.93 mm
tf,det
6.35 mm
tw
6.55 mm
tw,det
6.35 mm
次要维度
T
41.3 mm
kdes
17.5 mm
kdet
17.5 mm
属性
W
7.44 kg/m
A
948 mm²
xo
21.1 mm
eo
9.96 mm
rts
12.6 mm
x-x 轴
Ix
770,000 mm⁴
Sx
20,200 mm³
Zx
24,900 mm³
rx
28.4 mm
y
38.1 mm
yp
38.1 mm
y-y 轴
Iy
100,000 mm⁴
Sy
3,740 mm³
Zy
7,600 mm³
ry
10.3 mm
x
11.2 mm
xp
6.22 mm
扭转
J
17,700 mm⁴
Cw
102ᴇ6 mm⁶
Wno
747 mm²
Sw1
55,800 mm⁴
Sw2
34,700 mm⁴
Sw3
17,400 mm⁴
附加属性
tw,det
2
3.18 mm
b
t
5.49
h
tw
6.94
Qf
7,570 mm³
Qw
12,300 mm³
H
0.673
ho
69.3 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
159 kN
Pn
Ωc
11.2 kN
