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Welding Symbols
Standard Welding Symbols (Based on AWS)
FILLET
PLUG/SLOT
SPOT
STUD
SEAM
BACKING RUN
SURFACING
Lap-joint
T-joint
EDGE
FLANGE EDGE
Edge-joint
ARROW
SIDE
OTHER
SIDE
NOT
USED
BOTH
SIDES
NO SIDE
USED
NOT
USED
NOT
USED
SQUARE-GROOVE
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
V
BEVEL
Butt-joint
Corner-joint
U
J
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
FLARE-V
FLARE-BEVEL
SCARF
FLANGE CORNER
ARROW
SIDE
OTHER
SIDE
BOTH
SIDES
NO SIDE
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
NOT
USED
The Butt-Joint can be welded with the square groove, V-groove, bevel groove, U-groove and J-groove.
The Corner-Joint can be welded with the square groove, V-groove, bevel groove, U-groove, J-groove and the Fillet.
The Lap-Joint can be welded with the bevel groove, J-groove, fillet, slot, plug, spot, projection and seam.
The Edge-Joint can be welded with the V-, U-, J-groove, Bevel, Square groove, fillet, slot, plug, spot, projection and seam.
The Tee-Joint can be welded with the J-groove (both sides), bevel groove (one or both sides) and fillet (both sides).
The Telaverus page has detail weld symbol usage for engineers & designers.
The Metallic Fusion page has some good examples of welding symbols and methods.
The Ranger Station page has some good examples of welding symbols and methods.
This Tips & Tricks page has even more good info.
SYMBOL DIMENSION APPLICATION GUIDE
Fillet Weld
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Welding Symbols
Plug Weld
Spot Weld
Stud Weld
Seam Weld
Backing Weld (Generally used in combination with other welds)
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Welding Symbols
SYMBOL
FIT UP
ACTUAL WELD
v-weld
"back" or "backing run" weld
back weld with flat contour
back weld with concave contour
back weld with convex contour
Surfacing Weld
Flange Edge Weld
Square Groove Weld
V Groove Weld
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Welding Symbols
Bevel Groove Weld
U Groove Weld
J Groove Weld
Flare V Weld
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Welding Symbols
Flare Bevel Weld
Scarf Weld
Corner Edge Weld
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