Specifies the properties for the cross-section of a designed member.

Name

Displays the cross-section name for the designed member. Sections are defined in the reference data. For more information about reference data, see Structural Reference Data Overview.

Symbol Definition

Displays the name of the 2D symbol used to define the member cross-section.

Definition

Displays the progID l used to define the member cross-section.

Parameter Rule

Displays the rule used to define parameters for member cross-section.

Centroid X

Specifies the location of the centroid along the local x-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Centroid Y

Specifies the location of the centroid along the local y-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Moment of Inertia about X (Ixx)

Specifies the moment of inertia for the section's local x-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Moment of Inertia about Y (Iyy)

Specifies the moment of inertia for the section's local y-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Warping Statical Moment (Sw)

Specifies the warping statical moment. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Elastic Section Modulus about X (Sxx)

Specifies the section modulus for the section's local x-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Elastic Section Modulus about Y (Syy)

Specifies the section modulus for the section's local y-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Torsional Moment of Inertia (J)

Specifies the torsional moment of inertia for the section. This property is read- only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Warping Constant (Cw)

Specifies the warping constant for the section. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Flexural Constant (H)

Specifies the flexural constant for the section. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Polar Radius of Gyration about Shear Center (ro)

Specifies the polar radius of gyration about the shear center. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Radius of Gyration about X axis (Rxx)

Specifies the radius of gyration for the section's local x-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Radius of Gyration about Y axis (Ryy)

Specifies the radius of gyration for the section's local y-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Radius of Gyration about Principle XY (Rxy)

Specifies the radius of gyration about the principle xy-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Plastic Section Modulus about X (Zxx)

Specifies the plastic section modulus for the section's local x-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Plastic Section Modulus about Y (Zyy)

Specifies the plastic section modulus for the section's local y-axis. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Is Hollow

Specifies True if the cross-section is hollow, such as a tube or can. Specifies False if the cross-section is solid, such as a bar, or open, such as an I-beam.

Is Symmetric About X

Specifies True if the cross-section is symmetric about the local x-axis of the cross-section.

Is Symmetric About Y

Specifies True if the cross-section is symmetric about the local y-axis of the cross-section.

Flange Gage (gf)

Specifies the bolt gage for the flange. This property is read-only. To edit this value, you need to edit the cross-section's properties in the Catalog task or in the corresponding workbook.

Web Gage (gw)

Specifies the bolt gage for the web. This property is read-only. To edit this value, you need to edit the cross-section's properties in the Catalog task or in the corresponding workbook.

Plastic Neutral Axis (xp)

Displays the distance from the designated edge of the cross-section's plastic neutral axis (PNA) along the local x-axis.

Plastic Neutral Axis (yp)

Displays the distance from the designated edge of the cross-section's plastic neutral axis (PNA) along the local y-axis.

Section Properties

Specifies section properties as being defined by system or by user.

Section Name

Specifies the section name. This name displays when you label members. This property is read-only. To edit this value, edit the cross-section's properties in Catalog or in the corresponding workbook.

Area

Specifies the cross-section area for the object. This property is read-only. To change this value, edit the object properties in Catalog or in the corresponding workbook.

Depth

Specifies the depth for the section. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Width

Specifies the flange width for the section. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Perimeter

Specifies the outside perimeter distance for the section. This property is read-only. To edit this value, you need to edit the cross-section's properties in Catalog or in the corresponding workbook.

Unit Weight

Specifies the weight of the section. The unit weight is defined in mass per length pound per foot (lbm/ft). This property is read-only. To edit this value, you need to edit the cross-section's properties in the Catalog task or in the corresponding workbook.

Length Extension

Specifies the extension added to the member length to accommodate non-orthogonal connections. The default value is 0.

Width - Top Flange

Displays the width of the top flange

Width Extension - Top Flange

Specifies the extension added to the top flange length to accommodate non-orthogonal connections. The default value is 0.

Depth Extension

Specifies the extension added to the member depth to accommodate non-orthogonal connections. The default value is 0.