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W310x21 W12x14
W shapes. CISC SST 12.1. Produced in Canada. Normal use: Beam.
W310x21 to scale.
Property
Description
Value
Unit
Mass
Mass per length
21
kg/m
D
Depth of section or height of vertical leg
303
mm
B
Width of flange or horizontal leg
101
mm
T
Thickness of flange
5.7
mm
W
Thickness of web
5.1
mm
BT
Width-to-thickness ratio of flange
8.86
HW
Clear depth-to-thickness ratio of web
57.18
K
Distance between outer face of flange and web-toe of fillet
19
mm
K1
Distance between middle line of web and flange-toe of fillet
15
mm
Dnom
Nominal depth of section
310
mm
A
Cross-sectional area
2,690
mm²
Ix
Moment of inertia about axis XX
37
10⁶ mm⁴
Sx
Elastic section modulus about axis XX
244
10³ mm³
Rx
Radius of gyration about axis XX
117
mm
Zx
Plastic modulus about axis XX
287
10³ mm³
Iy
Moment of inertia about axis YY
0.983
10⁶ mm⁴
Sy
Elastic section modulus about axis YY
19.5
10³ mm³
Ry
Radius of gyration about axis YY
19.1
mm
Zy
Plastic modulus about axis YY
31.2
10³ mm³
J
St-Venant torsional constant
29.4
10³ mm⁴
Cw
Warping constant
21.7
10⁹ mm⁶
SA
Surface area per metre
1
m²/m
Wn
Normalized unit warping function
7,510
mm²
Sw
Warping statical moment
1.08
10⁶ mm⁴
Qf
Statical moment at point in flange in line with web face