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Red Copper Plate (Pure Copper Plate) | High Conductivity · High Thermal Conductivity · Easy to Work
📋 Product Grades and Selection Guide
| Grade | International Grade | Copper Content | Key Features | Applicable Standards |
|---|---|---|---|---|
| T1 | C11000 | ≥99.95% | High purity and high conductivity, conductivity ≥100% IACS | GB/T 5231-2012 |
| T2 | C11000 | ≥99.90% | Economical and versatile, stable overall performance | GB/T 2040 |
| TU1 | — | ≥99.97% | Oxygen-free copper, no hydrogen embrittlement risk, suitable for high-end vacuum devices | — |
💡 Selection Advice
For high-end electronics, semiconductors, vacuum devices, and other cases where purity and conductivity are critical, T1 or TU1 are recommended. For general electrical work, structural parts, or decorative uses, T2 is more cost-effective.
⚙️ Key Performance Parameters
Physical Properties
| Parameter | T1 | T2 | Description |
|---|---|---|---|
| Copper Content | ≥99.95% | ≥99.90% | T1 is purer |
| Density | 8.89 g/cm³ | 8.89 g/cm³ | About 15% heavier than regular steel |
| Melting Point | 1083°C | 1083°C | Stable melting point for pure copper |
| Electrical Conductivity (20°C) | ≥100% IACS | ≥97% IACS | Second only to silver |
| Thermal Conductivity (20°C) | ~398 W/(m·K) | ~388 W/(m·K) | Excellent heat conduction |
| Coefficient of Linear Expansion | ~17.7×10⁻⁶/K | ~17.64×10⁻⁶/K | — |
Mechanical Properties (Soft State)
| Parameter | T1 | T2 |
|---|---|---|
| Tensile Strength | ≥200 MPa | ≥195 MPa |
| Elongation | ≥35% | ≥30% |
| Vickers Hardness (HV) | 40~55 | ≥40 |
Pure copper has excellent ductility—you could take a drop-sized piece of pure copper and stretch it into a wire two kilometers long.
✅ Core Advantages
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High Purity Conductivity
Copper content ≥99.90%, conductivity up to 97%~101% IACS, extremely low energy transmission loss, making it highly energy-efficient in high-current scenarios.
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Excellent Thermal Conductivity
With a thermal conductivity second only to silver among common metals, it’s an ideal choice for radiators, heat exchangers, and thermal management components.
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Outstanding Workability
Excellent plasticity, easy to cut, bend, stamp, deep-draw, forge, and perform other hot and cold processing, meeting complex forming requirements.
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Welding and Surface Treatment Friendly
Supports various welding methods such as brazing, fusion welding, and resistance welding; the surface is clean, electroplating adhesion is strong, and it can be plated with tin, nickel, gold, etc.
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Atmospheric Corrosion Resistance
Stable in dry and most industrial atmospheres, forming a protective oxide film on the surface.