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When your project demands a reliable, consistently sized copper blank, sourcing the right disc can be a frustrating bottleneck — especially for jewelers, electricians, and fabricators who need exact dimensions without custom cutting. These solid round copper sheet discs are stocked in a wide range of diameters and thicknesses to match your exact specification, right off the shelf.
Each disc is cut from solid pure copper (Cu), available in diameters from 10mm to 200mm (approximately 0.39 in to 7.87 in) and thicknesses from 1.2mm to 6mm (approximately 0.047 in to 0.236 in). The flat, smooth surface is ready for further machining, stamping, forming, or direct use as-is.
These copper round plate blanks are widely used for DIY jewelry making and metal stamping, electrical grounding pads and bus bar fabrication, heat spreader applications in electronics, and decorative metalwork or craft projects requiring a solid copper disc.
| Material | Pure Copper (Cu) |
|---|---|
| Shape | Round / Disc |
| Diameter Range | 10mm – 200mm (0.39 in – 7.87 in) |
| Thickness Range | 1.2mm – 6mm (0.047 in – 0.236 in) |
| Surface Finish | Mill finish, smooth flat face |
| Electrical Conductivity | Typically ≥58 MS/m (IACS ≥100%) |
| Hardness | See variant options |
| Quantity per Pack | 1 Pcs / 2 Pcs / 4 Pcs / 8 Pcs (see variant options) |
| Weight per Piece | See variant options |
| Application | Jewelry, electrical, thermal, fabrication, crafts |
Select the diameter that matches your target blank size — remember to account for any material you'll remove during machining or forming. For thickness, thinner discs (1.2–2mm) suit stamping, jewelry, and light shims, while thicker options (3–6mm) are better for structural, thermal, or electrical applications requiring more mass and rigidity.
These discs are made from solid pure copper (Cu). They are not brass, bronze, or a copper alloy blend, which means they retain copper's full electrical conductivity and characteristic reddish-orange color. If you need a specific alloy grade (e.g., C101 or C110), please contact us to confirm before ordering.
Copper naturally oxidizes when exposed to air and moisture, developing a darkened patina over time. This does not affect structural integrity and can be desirable for decorative applications. For applications requiring a bright finish, apply a clear lacquer or store in a dry, sealed environment. For electrical use, the oxide layer can be removed with a light abrasive or chemical cleaner before installation.
Yes. Pure copper is highly compatible with soft soldering (using rosin-core or silver solder), silver brazing, and TIG/MIG welding with appropriate copper filler rods. Ensure surfaces are clean and oxide-free before joining for best results. Copper's high thermal conductivity means you may need a higher heat input than with steel.
Yes. Copper machines well with standard carbide tooling at appropriate feeds and speeds — use cutting fluid to manage heat buildup. For laser engraving, copper's high reflectivity means fiber lasers are recommended over CO₂ lasers for best results. Always test on a scrap piece first when working with new equipment settings.
Each quantity option refers to the number of identical discs included in a single order of that variant. Ordering in larger quantities (4 or 8 Pcs) typically offers a lower per-piece cost and is ideal for batch projects, prototyping multiple samples, or stocking up on commonly used sizes. Select the quantity that matches your project needs from the variant selector above.
Yes. Pure copper's excellent electrical conductivity (≥58 MS/m) and thermal conductivity (approximately 385–400 W/m·K) make these discs well-suited for grounding pads, bus bar components, and heat spreader applications in electronics and power systems. Ensure the disc diameter and thickness match your design's current-carrying and thermal dissipation requirements.
