Key Properties of Copper Plate
| Property | Value/Description |
| Purity | 99.90% – 99.99% (depending on grade) |
| Density | 8.96 g/cm³ |
| Melting Point | ~1083°C |
| Electrical Conductivity | Up to 100% IACS (excellent for electrical uses) |
| Thermal Conductivity | ~385–400 W/m·K |
| Corrosion Resistance | High, especially in non-oxidizing environments |
| Workability | Excellent (machinable, weldable, solderable, formable) |
Copper Plate Grades (Common Alloys)
| Grade | Purity | Standard | Features | Uses |
| C11000 (ETP) | ≥ 99.90% | ASTM B152/B187 | Electrolytic Tough Pitch, high electrical conductivity | Electrical busbars, switchgear, terminals |
| C10100 (OFE) | ≥ 99.99% | ASTM B152 | Oxygen-Free Electronic, ultra-high conductivity | Semiconductors, aerospace, RF systems |
| C10200 (OFHC) | ≥ 99.95% | ASTM B152 | Oxygen-Free High Conductivity copper | Cryogenics, vacuum tubes, power systems |
| C12200 (DHP) | ~99.9% | ASTM B152 | Phosphorous-deoxidized, better weldability | Heat exchangers, plumbing, HVAC |
Dimensions & Size Range
| Attribute | Typical Range |
| Thickness | 3 mm to 150 mm (thinner = sheet, thicker = plate) |
| Width | 355 mm to 2000 mm |
| Length | 1000 mm to 3000 mm or custom cut-to-size |
| Tolerances | According to ASTM, IS, or EN standards |
Types of Copper Plates (By Processing)
| Type | Description |
| Hot Rolled Plate | Rolled at high temperatures for better strength |
| Cold Rolled Plate | Better surface finish, dimensional accuracy |
| Annealed Plate | Softened for improved formability |
| Tinned Plate | Tin-coated to enhance corrosion resistance in electrical use |
Applications of Copper Plates
| Industry | Use Cases |
| Electrical & Power | Busbars, switchgear, grounding plates, transformer components |
| Engineering | Heat sinks, molds, hydraulic fittings |
| Marine | Corrosion-resistant structural parts, grounding plates |
| Plumbing & HVAC | Manifolds, large fittings, heat exchanger components |
| Aerospace & Defense | Cryogenic systems, shielding, vacuum environments |
| Art & Architecture | Decorative panels, engraving plates, sculptures |
Advantages of Copper Plate
- Excellent electrical and thermal conductivity
- Natural corrosion resistance
- High strength and machinability
- Recyclable and environmentally friendly
- Aesthetic appeal for visible or decorative applications
Surface Finishes Available
| Finish Type | Use/Application |
| Mill Finish | Standard as-rolled finish |
| Polished | For decorative, clean applications |
| Brushed/Satin | Matte appearance for architectural use |
| Tinned | Electrical uses to prevent oxidation |
| Oxidized/Patina | For aged or antique look in artistic projects |
Manufacturing Standards
| Standard | Region | Scope |
| ASTM B152 | USA | Copper plate, sheet, and strip |
| IS 14811 | India | Rolled copper flat products |
| EN 1652 / 1172 | Europe | Copper for building & electrical usage |
| JIS H3100 | Japan | Copper plate and strip |
Summary Table
| Feature | Detail |
| Grades | C11000, C10100, C10200, C12200 |
| Purity Range | 99.90% – 99.99% |
| Thickness | 3 mm to 150 mm |
| Conductivity | Up to 100% IACS |
| Common Applications | Electrical busbars, heat exchangers, structural parts |
| Standards | ASTM B152, IS 14811, EN 1652 |
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