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W310x129 W12x87
W shapes. CISC SST 12.1. Produced in Canada. Normal use: Column or beam.
W310x129 to scale.
Property
Description
Value
Unit
Mass
Mass per length
129
kg/m
D
Depth of section or height of vertical leg
318
mm
B
Width of flange or horizontal leg
308
mm
T
Thickness of flange
20.6
mm
W
Thickness of web
13.1
mm
BT
Width-to-thickness ratio of flange
7.48
HW
Clear depth-to-thickness ratio of web
21.13
K
Distance between outer face of flange and web-toe of fillet
42
mm
K1
Distance between middle line of web and flange-toe of fillet
27
mm
Dnom
Nominal depth of section
310
mm
A
Cross-sectional area
16,500
mm²
Ix
Moment of inertia about axis XX
308
10⁶ mm⁴
Sx
Elastic section modulus about axis XX
1,940
10³ mm³
Rx
Radius of gyration about axis XX
137
mm
Zx
Plastic modulus about axis XX
2,160
10³ mm³
Iy
Moment of inertia about axis YY
100
10⁶ mm⁴
Sy
Elastic section modulus about axis YY
652
10³ mm³
Ry
Radius of gyration about axis YY
78
mm
Zy
Plastic modulus about axis YY
991
10³ mm³
J
St-Venant torsional constant
2,130
10³ mm⁴
Cw
Warping constant
2,220
10⁹ mm⁶
SA
Surface area per metre
1.84
m²/m
Wn
Normalized unit warping function
22,900
mm²
Sw
Warping statical moment
36.3
10⁶ mm⁴
Qf
Statical moment at point in flange in line with web face