W 310x44.5 W 12x30
United States
尺寸
d
312 mm
ddet
314 mm
b
166 mm
bf,det
165 mm
tf
11.2 mm
tf,det
11.1 mm
tw
6.6 mm
tw,det
6.35 mm
次要维度
T
257 mm
PB
1,260 mm
kdes
18.8 mm
kdet
28.6 mm
k1
19 mm
属性
W
44.6 kg/m
A
5,670 mm²
xo
0 mm
eo
82.8 mm
rts
45 mm
x-x 轴
Ix
99.1ᴇ6 mm⁴
Sx
633,000 mm³
Zx
706,000 mm³
rx
132 mm
y
156 mm
yp
156 mm
y-y 轴
Iy
8.45ᴇ6 mm⁴
Sy
102,000 mm³
Zy
157,000 mm³
ry
38.6 mm
x
82.8 mm
xp
82.8 mm
扭转
J
190,000 mm⁴
Cw
193ᴇ9 mm⁶
Wno
12,500 mm²
Sw1
5.77ᴇ6 mm⁴
附加属性
tw,det
2
3.18 mm
PA
1,090 mm
bf
2tf
7.41
h
tw
41.8
Qf
134,000 mm³
Qw
349,000 mm³
ho
302 mm
WGi
88.9 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
953 kN
Pn
Ωc
742 kN