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Built-up C Beam (Custom Part)

Last updated September 4, 2018 by Tekla Extensions Global tekla.extensions-global@trimble.com

Software version: 
Not version-specific
Not environment-specific

Built-up C Beam (Custom Part)

The Built-up C-beam custom partcomponent for creating a part that cannot be created by using any existing part command or part profile

Typically, custom parts are used to create parts that have a complex composition. For example, castellated beams and sandwich panels are often created as custom parts.

allows user to create the built up channel beam made with plates.

How to Locate


Installers are available at Built-up Custom Parts
After installation, the ‘Built-up C beam’ custom part is available in the component catalogcatalog that contains all system components and custom components, and the macros and applications

The term component catalog is used in Tekla Structures until version 21.1.

group 'Built-up Custom Parts'.




The user has to pick the start point and end point and the built up C beam will be created.

Custom Part Dialog box

This plug-in dialog box contains following tabs.
• Parameters
• Web stiffeners
• Parts
• Weld
• Position

Available cross sections

Shape Description
  Plated C section
  Plated C section with Top and bottom cover Plates
  Plated C section with Top and bottom cover Rolled Section



 Flange Options

Option Description
  Different top and bottom flange size
  Same top and bottom flange size

Cover Options

Option Description
  Different size top and bottom cover plates
  Same size top and bottom cover plates
  Only top cover plate
  Only bottom cover plate


Channel options

Option Description
  Different top and bottom Channel
  Same top and bottom Channel
  Only top Channel
  Only bottom Channel

Parameters - Plate(1) part that represents a flat structure

(1) In some contexts, for example in analysis, the term plate object may be used to refer to plates.

(2) plate that represents a steel structure

(2) Plate is mainly used as a connection piece or as a floor plate.


All available plate profile prefixes are displayed.
Required prefix can be selected. (e.g. PL, FL, PLT )

Web stiffeners


Web plates

Option Description
  No web plate
  Both inner and outer web plates
  Only oute web plate
  Only inner web plate

Web Angles

Option Description
  No web angles
  Both top and bottom web angles
  Only top web angle
  Only bottom web angle




You can enter part properties in this tab page. Numberingprocess of assigning position numbers to parts, cast units, assemblies, or reinforcement

In Tekla Structures, the position numbers assigned in the numbering are shown in marks and templates, for example.

properties and Name can be entered for all parts seperately. You have an option to enter same values for Material / Finish / Classpart property that groups parts according to identifiers given by the user

The identifiers of classes are usually numbers. Classes can be used for defining the color of parts in the model, for example. Class does not influence the numbering of model objects.

or different values by selecting Same /  different from dropdown at top.

You can also provide Assembly User defined attributes from this page.




On Plane: Options Middle, Right and Left
Rotation: Top, Front, Back and Below
At Depth: Middle, Front and Behind

Option is avaialble to adjust boundry center by selecting 'Yes' from dropdown.


For Channel and web plates. 


For Channel with cover plates


For Channel with cover angles


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