
9-5.  Gun Movement During Welding
.Normally, a single stringer bead is satisfactory for most narrow groove weld joints; however, for wide groove weld joints or bridging across gaps, a weave bead or multiple stringer beads works better.
1Stringer Bead − Steady Movement Along Seam
| 1 | 2 | 2 | Weave Bead − Side To Side | 
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 | Movement Along Seam | 
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 | 3 | Weave Patterns | 
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 | Use weave patterns to cover a wide | |
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 | area in one pass of the electrode. | |
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 | 3 | 
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 | 1 | Large Spatter Deposits | |
| 1 | 2 | Rough, Uneven Bead | |
| 3 | Slight Crater During Welding | ||
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 | 4 | Bad Overlap | |
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 | 5 | Poor Penetration | 
| 2 | 3 | 4 | 
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9-7.  Good Weld Bead Characteristics
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 | 1 | Fine Spatter | 
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 | 2 | Uniform Bead | 
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 | 1 | 3 | Moderate Crater During | 
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 | Welding | 
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 | Weld a new bead or layer for each | |
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 | 1/8 in. (3.2 mm) thickness in metals | |
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 | being welded. | |
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 | 4 | No Overlap | 
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 | 5 | Good Penetration into Base | 
| 2 | 3 | 4 | 
 | Metal | 
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