S 310x74 S 12x50
United States
尺寸
d
305 mm
ddet
305 mm
b
139 mm
bf,det
140 mm
tf
16.7 mm
tf,det
17.5 mm
tw
17.4 mm
tw,det
17.5 mm
次要維度
T
232 mm
kdes
36.6 mm
kdet
36.5 mm
特性
W
74.4 kg/m
A
9,480 mm²
xo
0 mm
eo
69.6 mm
rts
33.5 mm
x-x 軸
Ix
126ᴇ6 mm⁴
Sx
829,000 mm³
Zx
998,000 mm³
rx
116 mm
y
152 mm
yp
152 mm
y-y 軸
Iy
6.49ᴇ6 mm⁴
Sy
93,200 mm³
Zy
169,000 mm³
ry
26.2 mm
x
69.6 mm
xp
69.6 mm
扭轉
J
1.15ᴇ6 mm⁴
Cw
135ᴇ9 mm⁶
Wno
10,000 mm²
Sw1
5.84ᴇ6 mm⁴
附加屬性
tw,det
2
9.52 mm
bf
2tf
4.16
h
tw
13.7
Qf
147,000 mm³
Qw
497,000 mm³
ho
287 mm
WGi
76.2 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
1,590 kN
Pn
Ωc
724 kN