Creating a Welding Symbol
- Select a Welding Symbol Standard in the Annotation options in the Detailing>General section of DesignSpark Mechanical options.
- Click the Welding Symbol.
- Click to place the arrow
- Click to place the Reference Line.
- The symbol is now placed and ready to be built.
- You can add or remove a Jog Point to a Welding Symbol leader while in the Welding Symbol tool. RMB click the symbol leader to display this option.
- You can press the ESC key after beginning symbol placement to delete the leader and cancel the tool.
- As you move the cursor over the symbol, highlighting will indicate where you can add symbol elements or input values.
To build up the symbol, click either the Arrow Side or the Other side box to display the symbol palette (see images and details in the sections below).
AWS Symbols
The AWS symbol palettes are shown below. Some symbols are only available for Arrow side.
Arrow Side

Other Side

The symbols are described in the following table.
AWS Symbol | Weld Type | AWS Symbol | Weld Type |
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Groove square | ![]() |
Stud |
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Groove scarf | ![]() |
Spot or projection |
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Groove V | ![]() |
Seam |
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Groove bevel | ![]() |
Back or backing |
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Groove U | ![]() |
Surfacing |
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Groove J | ![]() |
Edge |
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Groove flare V | ![]() |
Joint geometry not specified, groove weld size specified |
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Groove flare bevel | ![]() |
Melt-through |
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Fillet | ![]() |
Consumable insert square |
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Plug | ![]() |
Backing rectangle |
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Slot |
ISO Symbols
The ISO symbol palettes are shown below. Some symbols are only available for the Other side.
Arrow Side

Other Side

The symbols are described in the following table.
ISO Symbol | Weld Type | ISO Symbol | Weld Type |
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Butt weld between plates with raised edges | ![]() |
Spot weld |
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Square butt weld | ![]() |
Seam weld |
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V butt weld | ![]() |
Steep-flanked single-V butt weld |
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Bevel butt weld | ![]() |
Steep-flanked single-bevel butt weld |
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V butt weld with broad root face | ![]() |
Edge weld |
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Bevel butt weld with broad root face | ![]() |
Surfacing |
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Bevel butt weld (parallel or sloping sides) | ![]() |
Surface joint |
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J butt weld | ![]() |
Inclined joint |
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Backing run: back or backing weld /USA/ | ![]() |
Fold joint |
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Fillet weld | ![]() |
Backing strip |
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Plug weld: plug or slot weld /USA/ |
- Click the Reference line to display the Reference line mini-toolbar (see images
and details in the section below).
Reference Line Mini-Toolbar Options
Symbol Option Stagger intermittent welds Weld all around Field weld Swap arrow and other sides Joint with spacer Show tail even if reference is not used Add welding reference line Add welding symbol leader Click the Tail text box to enter a specification process or other reference. If there is no reference, the tail will be omitted. You can choose to show the tail regardless of reference by clicking on Show tail even if reference is not used
As you select symbols from the palette and choose options from the mini-toolbars, the available symbols and options will change to present only those that make sense for the current symbol configuration. Tooltips are provided to describe possible symbols and inputs.
Selecting symbols after they are placed will display the symbol mini-toolbar, which contains options to:
Open the symbol palette and change the symbol
Add secondary symbols appropriate for the selected symbol. For example, a backing symbol can has the option to add a Removable backing symbol
Add contour symbols for (left to right): No contour symbol; Flush or flat; Convex; Concave
If you add a Contour symbol, you can add a Finishing symbol for: No finishing; Chipping; Grinding; Hammering; Machining; Planishing; Rolling; Unspecified