HSS 177.8x177.8x7.9 HSS 7x7x5/16
United States
尺寸
d
178 mm
h
156 mm
b
178 mm
b
156 mm
tnom
7.94 mm
tdes
7.39 mm
属性
W
41.1 kg/m
A
4,900 mm²
xo
0 mm
x-x 轴
Ix
23.4ᴇ6 mm⁴
Sx
262,000 mm³
Zx
310,000 mm³
rx
69.1 mm
y
88.9 mm
yp
88.9 mm
y-y 轴
Iy
23.4ᴇ6 mm⁴
Sy
262,000 mm³
Zy
310,000 mm³
ry
69.1 mm
x
88.9 mm
xp
88.9 mm
扭转
J
37.3ᴇ6 mm⁴
C
396,000 mm³
Cw
0 mm⁶
附加属性
b
tdes
21.1
h
tdes
21.1
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
427 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
785 kN
Pn
Ωc
877 kN