Channel Shape Tables

The follow details are used for channel shapes in standard database tables.

Figure 1. Channel Shape
Table 1. Channel shape default properties
Name Description Unit Column No.
D Depth in 3
BF Width of flanges in 4
TF Thickness of flanges in 5
TW Thickness of web in 6
AX Cross sectional area In^2 7
IZ Moment of inertia about 3-3 axis in^4 8
IY Moment of inertia about 2-2 axis in^4 9
IX Torsional moment of inertia in^4 10
ZZ Plastic modulus about 3-3 axis in^3 11
ZY Plastic modulus about 2-2 axis in^3 12
E0 Distance from back of channel to centroid in 13

Calculated Properties

The following section properties are calculated as indicated when they are not present for the profile.

Property
Formula
AX
AY
AZ
IX
IY
IZ
SY
CT
=
SZ
PY
Case1
PY1
=
PY2
=
PY3
=
XE
=
Case2
PY1
=
PY2
=
PY3
=
XE
=
PZ

Spreadsheet Data Examples

Table 2. Channel Section - English units
Name D B Tf Tw A I-33 I-22 I-11 Z-33 Z-22 E0
(in) (in) (in) (in) (in^2) (in^4) (in^4) (in^4) (in^3) (in^3) (in)
C15X50 15 3.72 0.65 0.716 14.7 404 11 2.65 68.5 8.14 0.799
Table 3. Channel Section - Metric units
Name D B Tf Tw A I-33 I-22 I-11 Z-33 Z-22 E0
(mm) (mm) (mm) (mm) (cm^2) (cm^4) (cm^4) (cm^4) (cm^3) (cm^3) (cm)
ISMC75 75 40 7.5 4.8 9.1 78 12.8 1.57 25.1 9.02 1.32