Visual Inspection
Figure 1-1 Fillet welds
Figure 1-2 Convex fillet welds
Figure 1-3 Concave fillet welds
Figure 1-4 Groove welds
A Rockwood Company
Hellier
6
A Rockwood Company
Hellier
7
Fillet Weld Gage
Convex
Leg Measurement
• To measure the leg size of a
convex fillet weld, use the
proper gage with the full curve
• To measure the throat of a concave fillet
weld, use the proper gage with a double
curve
A Rockwood Company
Hellier
Concave
Throat Measurement
8
Palmgren Weld Gauge
(a.k.a AWS Gauge)
A Rockwood Company
Hellier
9
V - WAC Gage
A Rockwood Company
Hellier
10
Hi-Lo Gauge
A Rockwood Company
Hellier
11
Hi-Lo Gauge
12
Cambridge Gauge
Known as a “Bridge Cam” in the United States
13
Cambridge Gauge
A Rockwood Company
Hellier
14