- For the bird, see Coppersmith Barbet
A coppersmith is a person who lays out, cuts, bends, and assembles pipe sections, pipefittings, and other parts from copper, brass, and other nonferrous metals.
Lays out full-scale floor drawings or makes templates, following blueprints of pipe assemblies. Builds framework on bending slab to use as guide for bending, shaping, and joining assemblies. Cuts pipe, using handtools or shop machinery, and packs it with sand, rosin, or other material to prevent flattening during bending. Heats bend area with gas torch to soften metal and bends pipe, allowing for stretch at outside radius and compression at inside radius, using pipe-bending machines. Reheats and hammers pipe to eliminate wrinkles resulting from bending. Solders or brazes flanges on end of pipe. Flares or bells pipe mouths, using belling and flaring tools and mallet. Bends tubing to form coils for parts, such as feed water or oil heater. Lays out patterns and templates on sheet stock, using knowledge of geometry. Bends, hammers, bumps, razes, and planishes sheet stock to fabricate such parts as expansion joints, tanks, heads, cowls, and air chambers, using handtools, gas torches, and shop machinery. Sweats, rivets, solders, or brazes seams to obtain finished part. Coats parts by dipping them in mixture of molten tin and lead to prevent erosion, galvanic, and electrolytic action. Conducts hydrostatic tests to detect leaks in fabricated pipe. May install piping aboard ship.
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