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W250x18 W10x12
W shapes. CISC SST 12.1. Produced in Canada. Normal use: Beam.
W250x18 to scale.
Property
Description
Value
Unit
Mass
Mass per length
18
kg/m
D
Depth of section or height of vertical leg
251
mm
B
Width of flange or horizontal leg
101
mm
T
Thickness of flange
5.3
mm
W
Thickness of web
4.8
mm
BT
Width-to-thickness ratio of flange
9.53
HW
Clear depth-to-thickness ratio of web
50.08
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
14
mm
Dnom
Nominal depth of section
250
mm
A
Cross-sectional area
2,270
mm²
Ix
Moment of inertia about axis XX
22.4
10⁶ mm⁴
Sx
Elastic section modulus about axis XX
179
10³ mm³
Rx
Radius of gyration about axis XX
99.3
mm
Zx
Plastic modulus about axis XX
207
10³ mm³
Iy
Moment of inertia about axis YY
0.913
10⁶ mm⁴
Sy
Elastic section modulus about axis YY
18.1
10³ mm³
Ry
Radius of gyration about axis YY
20
mm
Zy
Plastic modulus about axis YY
28.6
10³ mm³
J
St-Venant torsional constant
22.4
10³ mm⁴
Cw
Warping constant
13.8
10⁹ mm⁶
SA
Surface area per metre
0.896
m²/m
Wn
Normalized unit warping function
6,200
mm²
Sw
Warping statical moment
0.83
10⁶ mm⁴
Qf
Statical moment at point in flange in line with web face