Machinery's Handbook, 31st Edition
Welding Symbols
1625
Application of American National Standard Welding Symbols Desired Weld Symbol Symbol Meaning Application of American National Standard Welding Symbols (Continued)
3 / 16
3 / 16
Symbol indicates a bevel weld with a root opening of 3 ∕ 36 inch.
90
65
Symbol indicates a V-groove weld with a groove angle of 65 degrees on the arrow side and 90 degrees on the other side . Symbol indicates a flush surface with the reinforcement removed by chipping on the other side of the joint and a smooth grind on the arrow side . The symbols C and G should be the user’s standard finish symbols.
65
90
C–
G–
25
25
2 0
Symbol indicates a 2-inch U-groove weld with a 25-degree groove angle and no root opening for both sides of the joint.
R
2 2
0
R
R = User’s St’d.
25
1 / 2
2 6 A
Symbol indicates plug welds of 1-inch diameter, a depth of filling of 1 ∕ 2 inch and a 60-degree angle of countersink spaced 6 inches apart on centers.
1 / 2 1 6
2
6
60
60
ID
A
A – A
SW
Preparation
SW
Symbol indicates all-around bevel and square-groove weld of these studs.
Process Reference Must Be Placed on Symbol
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