Welding is a fabrication technique used in nearly all steel projects. Fabricators understand quality welding is critical for structural integrity. However, fabricators may not realize the quality of the weld also plays a significant role in the appearance of the hot-dip galvanized coating.
0:35 ASTM A385 - Design Practices
0:56 Importance of Cleanliness and Overall Quality of the Weld
1:31 Flux, Residue and Spatter Removal
1:46 Weld Rod Chemistry
2:27 Sealed or Overlapping Surfaces
2:40 Weld Blow Out
3:17 Rust Bleeding/Weeping Weld
More information regarding hot-dip galvanizing coating appearance and welding can be found on the AGA website:
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