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.
W1000x438 W40x294
W shapes. CISC SST 12.1. Not produced in Canada. Normal use: Beam.
W1000x438 to scale.
Property
Description
Value
Unit
Mass
Mass per length
438
kg/m
D
Depth of section or height of vertical leg
1,026
mm
B
Width of flange or horizontal leg
305
mm
T
Thickness of flange
49
mm
W
Thickness of web
26.9
mm
BT
Width-to-thickness ratio of flange
3.11
HW
Clear depth-to-thickness ratio of web
34.5
K
Distance between outer face of flange and web-toe of fillet
81
mm
K1
Distance between middle line of web and flange-toe of fillet
43
mm
Dnom
Nominal depth of section
1,000
mm
A
Cross-sectional area
55,600
mm²
Ix
Moment of inertia about axis XX
9,090
10⁶ mm⁴
Sx
Elastic section modulus about axis XX
17,700
10³ mm³
Rx
Radius of gyration about axis XX
404
mm
Zx
Plastic modulus about axis XX
20,700
10³ mm³
Iy
Moment of inertia about axis YY
234
10⁶ mm⁴
Sy
Elastic section modulus about axis YY
1,530
10³ mm³
Ry
Radius of gyration about axis YY
64.8
mm
Zy
Plastic modulus about axis YY
2,460
10³ mm³
J
St-Venant torsional constant
31,800
10³ mm⁴
Cw
Warping constant
55,700
10⁹ mm⁶
SA
Surface area per metre
3.22
m²/m
Wn
Normalized unit warping function
74,500
mm²
Sw
Warping statical moment
278
10⁶ mm⁴
Qf
Statical moment at point in flange in line with web face
calcsheet