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15 cards from this deck
Connecting metals by melting & fusing for permanent joints
Welding, brazing, and hard soldering
Welding
Electrical energy
Protects weld from oxygen contamination
Acetylene gas mixed with oxygen
Copper and zinc alloy
Approximately 875°C
Doesn't melt base metals, only the filler alloy
Prevents oxidation & helps alloy flow
Metals with low melting points, e.g., copper
Complex constructions can be assembled in stages
Welding > Brazing > Hard soldering
Clean with abrasive paper to remove contaminants
Adds material to strengthen joint & fill gaps
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