W 310x21 W 12x14
United States
尺寸
d
302 mm
ddet
302 mm
b
101 mm
bf,det
102 mm
tf
5.72 mm
tf,det
6.35 mm
tw
5.08 mm
tw,det
4.76 mm
次要維度
T
264 mm
PB
986 mm
kdes
13.3 mm
kdet
19 mm
k1
14.3 mm
特性
W
20.8 kg/m
A
2,680 mm²
xo
0 mm
eo
50.4 mm
rts
24.4 mm
x-x 軸
Ix
36.9ᴇ6 mm⁴
Sx
244,000 mm³
Zx
285,000 mm³
rx
117 mm
y
151 mm
yp
151 mm
y-y 軸
Iy
982,000 mm⁴
Sy
19,500 mm³
Zy
31,100 mm³
ry
19.1 mm
x
50.4 mm
xp
50.4 mm
扭轉
J
29,300 mm⁴
Cw
21.6ᴇ9 mm⁶
Wno
7,480 mm²
Sw1
1.08ᴇ6 mm⁴
附加屬性
tw,det
2
3.18 mm
PA
884 mm
bf
2tf
8.82
h
tw
54.3
Qf
40,600 mm³
Qw
139,000 mm³
ho
297 mm
WGi
57.2 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
451 kN
Pn
Ωc
110 kN
