Machinery's Handbook, 31st Edition
1624
Welding Symbols Application of American National Standard Welding Symbols Desired Weld Symbol Symbol Meaning
Application of American National Standard Welding Symbols (Continued)
6
24
24
Symbol indicates a 24-inch long fillet weld on the arrow side of the joint.
6
Locate Welds at Ends of Joint
2–5 2–5
Symbol indicates a series of intermittent fillet welds each 2 inches long and spaced 5 inches apart on centers directly opposite each other on both sides of the joint.
2 2 2
of Weld C
5 5
Locate Welds at Ends of Joint
Symbol indicates a series of intermittent fillet welds each 3 inches long and spaced 10 inches apart on centers. The centers of the welds on one side of the joint are displaced from those on the other.
3
3
3–10 3–10
3
3
of Weld C
10 5
Symbol indicates a fillet weld around the perimeter of the member.
1 / 4
1 / 4 1 / 8 +
4 -inch V-groove 8 -inch root penetration.
Symbol indicates a 1 ∕ weld with a 1 ∕
1 / 8 Root
Penetration
1 Note
/ 4 5 / 16 3 / 8 +
Overlap
1
5 / 16
4 -inch bevel
Symbol indicates a 1 ∕ plus a subsequent 3 ∕ weld with a 5 ∕
16 -inch root penetration 8 -inch fillet weld.
5 / 16
1 / 4
1 / 4
3 / 8
3 / 8
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