Search a designation to read the section in full, or filter and sort a family to find one. Values are from the CISC Structural Section Tables, in the units the tables print them in.
W840x251 W33x169
W shapes. CISC SST 12.1. Not produced in Canada. Normal use: Beam.
W840x251 to scale.
Property
Description
Value
Unit
Mass
Mass per length
251
kg/m
D
Depth of section or height of vertical leg
859
mm
B
Width of flange or horizontal leg
292
mm
T
Thickness of flange
31
mm
W
Thickness of web
17
mm
BT
Width-to-thickness ratio of flange
4.71
HW
Clear depth-to-thickness ratio of web
46.88
K
Distance between outer face of flange and web-toe of fillet
63
mm
K1
Distance between middle line of web and flange-toe of fillet
39
mm
Dnom
Nominal depth of section
840
mm
A
Cross-sectional area
31,900
mm²
Ix
Moment of inertia about axis XX
3,860
10⁶ mm⁴
Sx
Elastic section modulus about axis XX
9,000
10³ mm³
Rx
Radius of gyration about axis XX
348
mm
Zx
Plastic modulus about axis XX
10,300
10³ mm³
Iy
Moment of inertia about axis YY
129
10⁶ mm⁴
Sy
Elastic section modulus about axis YY
884
10³ mm³
Ry
Radius of gyration about axis YY
63.6
mm
Zy
Plastic modulus about axis YY
1,380
10³ mm³
J
St-Venant torsional constant
7,350
10³ mm⁴
Cw
Warping constant
22,100
10⁹ mm⁶
SA
Surface area per metre
2.85
m²/m
Wn
Normalized unit warping function
60,400
mm²
Sw
Warping statical moment
137
10⁶ mm⁴
Qf
Statical moment at point in flange in line with web face