C 310x30.8 C 12x20.7
United States
尺寸
d
305 mm
ddet
305 mm
b
74.7 mm
bf,det
76.2 mm
tf
12.7 mm
tf,det
12.7 mm
tw
7.16 mm
tw,det
7.94 mm
次要维度
T
248 mm
kdes
28.7 mm
kdet
28.6 mm
属性
W
30.8 kg/m
A
3,920 mm²
xo
39.8 mm
eo
22.1 mm
rts
25 mm
x-x 轴
Ix
53.7ᴇ6 mm⁴
Sx
352,000 mm³
Zx
420,000 mm³
rx
117 mm
y
152 mm
yp
152 mm
y-y 轴
Iy
1.61ᴇ6 mm⁴
Sy
28,200 mm³
Zy
56,900 mm³
ry
20.2 mm
x
17.7 mm
xp
6.43 mm
扭转
J
154,000 mm⁴
Cw
30.1ᴇ9 mm⁶
Wno
6,640 mm²
Sw1
1.92ᴇ6 mm⁴
Sw2
1.31ᴇ6 mm⁴
Sw3
653,000 mm⁴
ro
125 mm
附加属性
tw,det
2
4.76 mm
b
t
5.87
h
tw
35.2
Qf
126,000 mm³
Qw
208,000 mm³
H
0.899
ho
292 mm
WGi
44.4 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
659 kN
Pn
Ωc
179 kN
