Key Properties of Copper Sheets
| Property | Value/Description |
| Purity | 99.90% to 99.99% (depending on grade) |
| Conductivity | Up to 100% IACS (International Annealed Copper Standard) |
| Thermal Conductivity | ~385–400 W/m·K |
| Density | 8.96 g/cm³ |
| Melting Point | 1083°C |
| Corrosion Resistance | Excellent (especially in non-oxidizing environments) |
| Workability | Excellent (can be cut, bent, soldered, brazed, and welded) |
Common Copper Sheet Grades
| Grade | Standard | Purity | Key Features | Common Applications |
| C11000 (ETP) | ASTM B152 | ≥ 99.90% | Electrolytic Tough Pitch, high conductivity | Electrical conductors, roofing, industrial use |
| C10100 (OFE) | ASTM B152 | ≥ 99.99% | Oxygen-Free Electronic, ultra-pure copper | Electronics, vacuum tubes, semiconductor parts |
| C10200 (OFHC) | ASTM B152 | ≥ 99.95% | Oxygen-Free High Conductivity | High-end electronics, cryogenics |
| C12200 (DHP) | ASTM B152 / B88 | ~99.9% | Deoxidized with phosphorus, excellent weldability | Plumbing, HVAC, heat exchangers |
| C10300 | ASTM B152 | ≥ 99.95% | Oxygen-Free, high formability | Precision electronic and industrial parts |
| C14415 (CuSn0.15) | EN 1652 | Cu + 0.15% Sn | Enhanced strength and corrosion resistance | Roofing, architectural cladding |
Available Tempers (Hardness Levels)
| Temper | Description |
| Soft (Annealed) | Flexible and easy to form |
| Half–Hard | Medium stiffness, moderate formability |
| Hard | Rigid, more strength, less bendable |
| Spring Temper | High strength, used for clips, springs |
Common Thicknesses and Sizes
| Gauge (SWG/AWG) | Thickness (mm) | Application Example |
| 10–14 | 2.0 – 3.2 mm | Busbars, heavy-duty electrical panels |
| 16–20 | 1.0 – 1.6 mm | Roofing, plumbing, industrial panels |
| 22–26 | 0.4 – 0.7 mm | Arts, crafts, electronics shielding |
| 28–36 | 0.2 – 0.3 mm | Decorative panels, light-duty electronics |
| Other | 3 mm to 16 mm |
Standard Sheet Sizes:
- 600 mm × 1220 mm, 355 mm x 1220 mm,
- 1000 mm × 2000 mm, 1220 mm x 120 mm
- 1220 mm × 2440 mm
- Custom sizes available on request
Applications of Copper Sheets
| Sector | Applications |
| Electrical | Switchgear components, connectors, terminals, PCB base material |
| Construction | Roofing, wall cladding, flashing, gutters |
| HVAC & Plumbing | Heat exchangers, solar panels, condensers, water tanks |
| Automotive | Gaskets, battery terminals, heat shielding |
| Art & Decor | Embossed sheets, sculptures, DIY crafts, architectural finishes |
| Electronics | EMI shielding, transformer windings, antennas |
Advantages of Copper Sheets
- Excellent electrical and thermal conductivity
- Easy to fabricate and solder
- Long–lasting and corrosion–resistant
- Recyclable and eco–friendly
- Visually appealing for artistic and architectural use
Surface Finishes
| Finish | Description |
| Mill Finish | As-rolled finish; untreated surface |
| Polished | Smooth, reflective; aesthetic purposes |
| Brushed | Satin, matte appearance; for decorative use |
| Oxidized | Pre-aged look for architectural projects |
| Tinned | Tin coating to enhance corrosion resistance in marine/electrical uses |
Relevant Standards
| Standard | Region/Body | Scope |
| ASTM B152 | USA | Copper sheet, strip, plate |
| EN 1652 | Europe | Copper sheet/strip for building applications |
| IS 14811 | India | Copper and copper alloy rolled flat products |
| JIS H3100 | Japan | Copper sheet and strip |
Summary Table
| Feature | Details |
| Material Grades | C11000, C10100, C10200, C12200 |
| Purity Range | 99.90% – 99.99% |
| Thickness Range | ~0.2 mm to ~3.2 mm |
| Tempers | Soft, Half-Hard, Hard, Spring |
| Applications | Electrical, roofing, plumbing, decor, electronics |
| Conductivity | Up to 100% IACS |
| Finishes | Mill, polished, oxidized, brushed, tinned |
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