M 318x17.3 M 12.5x11.6
United States
尺寸
d
318 mm
ddet
318 mm
b
88.9 mm
bf,det
88.9 mm
tf
5.36 mm
tf,det
4.76 mm
tw
3.94 mm
tw,det
3.18 mm
次要维度
T
289 mm
kdes
14.3 mm
kdet
14.3 mm
k1
9.52 mm
属性
W
17.3 kg/m
A
2,190 mm²
xo
0 mm
eo
44.5 mm
rts
21.6 mm
x-x 轴
Ix
33.4ᴇ6 mm⁴
Sx
210,000 mm³
Zx
246,000 mm³
rx
123 mm
y
159 mm
yp
159 mm
y-y 轴
Iy
629,000 mm⁴
Sy
14,200 mm³
Zy
22,500 mm³
ry
16.9 mm
x
44.4 mm
xp
44.5 mm
扭转
J
17,200 mm⁴
Cw
15.3ᴇ9 mm⁶
Wno
6,940 mm²
Sw1
826,000 mm⁴
附加属性
tw,det
2
1.59 mm
bf
2tf
8.29
h
tw
74.8
Qf
35,600 mm³
Qw
121,000 mm³
ho
312 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
369 kN
Pn
Ωc
70.3 kN
