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Review & Memorize the AWS recognized welding positions for all types of welding processes

Weld Joint, position, and type of weld
Butt Joint, flat position, 1G type weld

Weld Joint, position and type of weld
Edge Joint, vertical position, 3G type weld

What makes this weld position flat?
This welding position is level with the ground at 0° which allows gravity to drop the bead straight down

Weld Joint, position, and type of weld
Lap Joint, vertical poition 3F type weld

1G
The position of the weld is #1- flat
G stands for groove weld


2F
The weld position is #2-horizontal
F stands for fillet weld


3G
The weld position is #3-vertical
G stands for groove weld


4G
The weld position is #4-overhead
G stands for groove weld


Fillet weld
Type of weld that joins at an angle that creates a triangular shape (commonly ~90° ) and penetrates along the legs of the weld but does not require deep/full penetration

Groove weld
Type of weld made in a bevel/opening/gap to join pieces together with full penetration
Types of weld joints that use G (groove) welds
Butt Joint, Edge Joint, Corner Joint
Types of weld joints that use F (fillet) welds
Lap Joint, T Joint

Weld joint, position and type of weld
Corner Joint, Flat position, 1G weld

Weld Joint, position, and type of weld
Butt joint, horizontal position, 2G type weld

Weld Joint, position, and type of weld
Butt joint, vertical position, 3G type weld

Weld Joint, position, and type of weld
Butt Joint, overhead position, 4G type weld

Weld Joint, position, and type of weld
Lap Joint, flat position, 1F type weld

Weld Joint, position, and type of weld
Lap Joint, horizontal position, 2F type weld

Weld Joint, position, and type of weld
Lap Joint, vertical position, 3F type weld

Weld Joint, position, and type of weld
Lap Joint, overhead position, 4F type weld

Weld Joint, position, and type of weld
Edge Joint, horizontal position, 2G type weld
Weld Joint, position, and type of weld
Edge Joint, flat position, 1G type weld


Weld Joint, position, and type of weld
Edge joint, overhead position, 4G type weld

Weld Joint, position, and type of weld
Corner Joint, horizontal position, 2G type weld

Weld Joint, position, and type of weld
Corner Joint, vertical position, 3G type weld

Weld Joint, position, and type of weld
Corner Joint, overhead position, 4G type weld

Weld Joint, position, and type of weld
T Joint, flat position, 1F type weld

Weld Joint, position, and type of weld
T Joint, horizontal position, 2F type weld

Weld Joint, position, and type of weld
T Joint, vertical position, 3F type weld

Weld Joint, position, and type of weld
T Joint, overhead position, 4F type weld