In any metal craftsman's workshop, two coils are usually the main focus: the copper wire and the brass wire. Although at first glance the main difference seems to be the color —one reddish and warm, the other golden and bright—, their technical properties dictate what type of work each one is better for.
In this guide, we break down everything you need to know to choose with professional judgment.
1. Copper Wire: The nobility of malleability
The copper wire or wire It is the quintessential pure metal for crafts. It is extremely soft, making it a favorite among beginners. wire wrapping or the fabric with metal.
Key properties: It is an excellent conductor and very resistant to corrosion, although it develops a greenish patina over time if it is not sealed.
Hardness: Very low. It can be bent repeatedly with your fingers without breaking easily.
Ideal for: Stone setting, organic jewelry and details that require very tight curves.
2. Brass Wire: The shine of "fake gold""
The brass wire or thread It is an alloy of copper and zinc. The zinc content is what gives it its characteristic yellow color and, most importantly, its rigidity.
Key properties: It is harder than copper. This means it holds its shape better under pressure or weight.
Hardness: Medium-High. Requires a little more strength and the use of tools (fine-tipped pliers) to achieve precise finishes.
Ideal for: Lamp structures, figure skeletons, brooches and jewelry pieces that must withstand daily wear and tear without becoming deformed.
Comparative Table: Copper vs. Brass
| Feature | Copper wire | Brass Wire |
| Color | Reddish / Salmon | Golden / Yellowish |
| Flexibility | Very tall (easy to handle) | Moderate (more elastic) |
| Endurance | It deforms under weight. | It maintains the structure |
| Oxidation | Darkens to brown/green | Darkens to old/matte gold |
| Price | Variable (depending on the market) | Variable (depending on the market) |
3. How to choose according to your technique?
For Wire Wrapping and Weaving
If your technique involves tying knots or "sewing" with metal, the copper It's your best ally. Its lack of "spring effect" (it doesn't tend to return to its original shape) means it stays exactly where you put it.
For Structures and Decoration
If you're going to create wall mobiles, lampshade structures, or plant stands (style air plants), he brass It is superior. Its rigidity prevents the piece from sagging over time.
4. Maintenance and Finishing Tips
Regardless of which one you choose, both metals oxidize in air.
To maintain shine: You can apply a clear metal lacquer or maintain cleanliness with products dedicated to metal cleaning.
For a vintage look: Let the natural patina do its work, or use aging liquids to speed up the process.
At Zavala we have a wide range of metal threads or wires For all your wire and other work needs, wire is typically used in a round shape with an annealed finish for ease of handling. Metal wire is usually sold by the kilogram, but we always provide a conversion chart from kilograms to meters so you can get a rough idea of the length.
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KG Annealed Copper Wire or Wire. Available in different diameters
Copper 24,68€ – 28,39€Price range: 24,68€ through 28,39€ Select options This product has multiple variants. The options may be chosen on the product page -
KG Annealed Brass Wire. Available in various diameters.
Annealed Wire 24,49€ – 29,40€Price range: 24,49€ through 29,40€ Select options This product has multiple variants. The options may be chosen on the product page -
Annealed 304 stainless steel wire
Stainless steel 9,68€ – 20,24€Price range: 9,68€ through 20,24€ Select options This product has multiple variants. The options may be chosen on the product page -
Annealed Alpaca Yarn. Available in various diameters.
Alpaca 42,65€ – 47,01€Price range: 42,65€ through 47,01€ Select options This product has multiple variants. The options may be chosen on the product page



