C 310x45 C 12x30
United States
尺寸
d
305 mm
ddet
305 mm
b
80.5 mm
bf,det
79.4 mm
tf
12.7 mm
tf,det
12.7 mm
tw
13 mm
tw,det
12.7 mm
次要维度
T
248 mm
kdes
28.7 mm
kdet
28.6 mm
属性
W
44.6 kg/m
A
5,680 mm²
xo
32.8 mm
eo
15.7 mm
rts
25.7 mm
x-x 轴
Ix
67.4ᴇ6 mm⁴
Sx
442,000 mm³
Zx
554,000 mm³
rx
109 mm
y
152 mm
yp
152 mm
y-y 轴
Iy
2.13ᴇ6 mm⁴
Sy
33,600 mm³
Zy
70,800 mm³
ry
19.4 mm
x
17.1 mm
xp
9.32 mm
扭转
J
358,000 mm⁴
Cw
40.5ᴇ9 mm⁶
Wno
7,570 mm²
Sw1
2.5ᴇ6 mm⁴
Sw2
2.04ᴇ6 mm⁴
Sw3
1.02ᴇ6 mm⁴
ro
115 mm
附加属性
tw,det
2
6.35 mm
b
t
6.33
h
tw
19.4
Qf
126,000 mm³
Qw
275,000 mm³
H
0.919
ho
292 mm
WGi
44.4 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
955 kN
Pn
Ωc
238 kN
