W 310x79 W 12x53
United States
尺寸
d
307 mm
ddet
305 mm
b
254 mm
bf,det
254 mm
tf
14.6 mm
tf,det
14.3 mm
tw
8.76 mm
tw,det
9.52 mm
次要維度
T
235 mm
PB
1,590 mm
kdes
30 mm
kdet
34.9 mm
k1
23.8 mm
特性
W
78.9 kg/m
A
10,100 mm²
xo
0 mm
eo
127 mm
rts
70.9 mm
x-x 軸
Ix
177ᴇ6 mm⁴
Sx
1.16ᴇ6 mm³
Zx
1.28ᴇ6 mm³
rx
133 mm
y
154 mm
yp
154 mm
y-y 軸
Iy
39.9ᴇ6 mm⁴
Sy
315,000 mm³
Zy
477,000 mm³
ry
63 mm
x
127 mm
xp
127 mm
扭轉
J
658,000 mm⁴
Cw
849ᴇ9 mm⁶
Wno
18,600 mm²
Sw1
17.2ᴇ6 mm⁴
附加屬性
tw,det
2
4.76 mm
PA
1,330 mm
bf
2tf
8.69
h
tw
28.1
Qf
262,000 mm³
Qw
628,000 mm³
ho
292 mm
WGi
140 mm
Allowable Strength Design
Material
Fy
345 N/mm²
Fu
448 N/mm²
Major Axis Bending
Minor Axis Bending
Axial Strength
Pn
Ω
1,690 kN
Pn
Ωc
1,750 kN