M 310x17.6 M 12x11.8
United States
尺寸
d
305 mm
ddet
305 mm
b
78 mm
bf,det
79.4 mm
tf
5.72 mm
tf,det
6.35 mm
tw
4.5 mm
tw,det
4.76 mm
次要維度
T
276 mm
kdes
14.3 mm
kdet
14.3 mm
k1
9.52 mm
特性
W
17.6 kg/m
A
2,240 mm²
xo
0 mm
eo
39 mm
rts
18.6 mm
x-x 軸
Ix
30.1ᴇ6 mm⁴
Sx
197,000 mm³
Zx
234,000 mm³
rx
116 mm
y
152 mm
yp
152 mm
y-y 軸
Iy
454,000 mm⁴
Sy
11,600 mm³
Zy
18,800 mm³
ry
14.2 mm
x
39 mm
xp
39 mm
扭轉
J
20,800 mm⁴
Cw
10.1ᴇ9 mm⁶
Wno
5,830 mm²
Sw1
650,000 mm⁴
附加屬性
tw,det
2
3.18 mm
bf
2tf
6.81
h
tw
62.5
Qf
31,500 mm³
Qw
115,000 mm³
ho
300 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
376 kN
Pn
Ωc
50.4 kN
