WT 180x25.5 WT 7x17
United States
치수
d
178 mm
ddet
178 mm
b
171 mm
bf,det
171 mm
tf
11.6 mm
tf,det
11.1 mm
tw
7.24 mm
tw,det
7.94 mm
2차 치수
kdes
21.7 mm
kdet
30.2 mm
특성
W
25.3 kg/m
A
3,230 mm²
xo
0 mm
eo
85.7 mm
x-x 축
Ix
8.7ᴇ6 mm⁴
Sx
62,800 mm³
Zx
110,000 mm³
rx
51.8 mm
y
38.9 mm
yp
9.42 mm
y-y 축
Iy
4.83ᴇ6 mm⁴
Sy
56,500 mm³
Zy
87,200 mm³
ry
38.9 mm
x
85.7 mm
xp
85.7 mm
비틀림
J
118,000 mm⁴
Cw
107ᴇ6 mm⁶
Wno
0 mm²
ro
72.9 mm
추가 속성
tw,det
2
4.76 mm
bf
2tf
7.41
D
t
24.5
H
0.792
WGi
88.9 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
542 kN
Pn
Ωc
384 kN
