W 310x74 W 12x50
United States
尺寸
d
310 mm
ddet
311 mm
b
205 mm
bf,det
206 mm
tf
16.3 mm
tf,det
15.9 mm
tw
9.4 mm
tw,det
9.52 mm
次要维度
T
235 mm
PB
1,400 mm
kdes
29 mm
kdet
38.1 mm
k1
23.8 mm
属性
W
74.4 kg/m
A
9,420 mm²
xo
0 mm
eo
103 mm
rts
57.2 mm
x-x 轴
Ix
163ᴇ6 mm⁴
Sx
1.05ᴇ6 mm³
Zx
1.18ᴇ6 mm³
rx
132 mm
y
155 mm
yp
155 mm
y-y 轴
Iy
23.4ᴇ6 mm⁴
Sy
228,000 mm³
Zy
349,000 mm³
ry
49.8 mm
x
103 mm
xp
103 mm
扭转
J
712,000 mm⁴
Cw
505ᴇ9 mm⁶
Wno
15,100 mm²
Sw1
12.6ᴇ6 mm⁴
附加属性
tw,det
2
4.76 mm
PA
1,190 mm
bf
2tf
6.31
h
tw
26.8
Qf
234,000 mm³
Qw
580,000 mm³
ho
295 mm
WGi
140 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
1,580 kN
Pn
Ωc
1,480 kN