Lap joint, Figure 6-4.
• Fillet weld.
• Plug weld.
• Slot weld.
• Spot weld.
• Bevel-groove weld.
• J-groove weld.
• Flare-bevel-groove weld.
Corner joint, Figure 6-5.
• Fillet weld.
• Spot weld.
• Square-groove weld or butt weld.
• V-groove weld.
• Bevel-groove weld.
• U-groove weld.
• J-groove weld.
• Flare-V-groove weld.
• Edge weld.
• Corner-flange weld.
Edge joint, Figure 6-6.
• Square-groove weld or butt weld.
• Bevel-groove weld.
• V-groove weld.
• J-groove weld.
• U-groove weld.
• Edge-flange weld.
• Corner-flange weld.
Double Welds
In some cases, a weld cannot be made from only one
side of the joint. When a weld must be made from both
sides, it is known as a double weld. Figure 6-7 shows
common applications of double welds in basic joint
designs.
58 Gas Metal Arc Welding Handbook
Flare-bevel Flare-V
J-groove U-groove
Butt Bevel-groove V-groove
Figure 6-2. Types of welds that may be made with a basic butt
joint.
Bevel-groove J-groove Fillet
Slot Plug
Flare-bevel
Figure 6-3. Types of welds that may be made with a basic T-joint.
Fillet Bevel-
groove
J-groove
Plug Slot Spot
Figure 6-4. Types of welds that may be made with a basic lap
joint.