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.
W460x384 W18x258
W shapes. CISC SST 12.1. Not produced in Canada. Normal use: Beam.
W460x384 to scale.
Property
Description
Value
Unit
Mass
Mass per length
384
kg/m
D
Depth of section or height of vertical leg
545
mm
B
Width of flange or horizontal leg
299
mm
T
Thickness of flange
58.4
mm
W
Thickness of web
32.5
mm
BT
Width-to-thickness ratio of flange
2.56
HW
Clear depth-to-thickness ratio of web
13.18
K
Distance between outer face of flange and web-toe of fillet
80
mm
K1
Distance between middle line of web and flange-toe of fillet
36
mm
Dnom
Nominal depth of section
460
mm
A
Cross-sectional area
48,900
mm²
Ix
Moment of inertia about axis XX
2,290
10⁶ mm⁴
Sx
Elastic section modulus about axis XX
8,420
10³ mm³
Rx
Radius of gyration about axis XX
217
mm
Zx
Plastic modulus about axis XX
10,000
10³ mm³
Iy
Moment of inertia about axis YY
261
10⁶ mm⁴
Sy
Elastic section modulus about axis YY
1,750
10³ mm³
Ry
Radius of gyration about axis YY
73.1
mm
Zy
Plastic modulus about axis YY
2,730
10³ mm³
J
St-Venant torsional constant
42,700
10³ mm⁴
Cw
Warping constant
15,500
10⁹ mm⁶
SA
Surface area per metre
2.22
m²/m
Wn
Normalized unit warping function
36,400
mm²
Sw
Warping statical moment
159
10⁶ mm⁴
Qf
Statical moment at point in flange in line with web face
calcsheet