Grade
| China GB | T2 |
| American ASTM | C11000 |
| European EN | - |
| Japanese JIS | C1100 |
Chemical Composition
(Weight%)
| Copper Cu | ≥99.90 |
| Iron Fe | ≤0.005 |
| Lead Pb | ≤0.005 |
| Tin Sn | - |
| Oxygen O | - |
| Phosphorus P | - |
| Zinc Zn | - |
Product Characteristics
Pure copper series, with good electrical and thermal conductivity, excellent processing performance and corrosion resistance.
Application Fields
● Electrical industry ● Electronic equipment ● Thermal equipment ● Building decoration
Physical Properties
| Density | 8.9 | g/cm³ |
| Conductivity @20℃ | 97 | %IACS |
| Electrical Conductivity @20℃ | - | MS/m |
| Thermal Conductivity @20℃ | 386.4 | W/(m·K) |
| Specific Heat | - | J/(g.K) |
| Elastic Modulus | 100-110 | GPa |
| Poisson's Ratio | - | GPa |
| Coefficient of Thermal Expansion | 16.6 | 10 -6 /K |
Mechanical Properties
| State | Tensile Strength | Yield Strength | Hardness | Elongation | |
| MPa | ksi | MPa | HV | A 50% | |
| R300(O) | ≥195 | ≥28 | -- | ≤60 | ≥35 |
| R350(1/4H) | 245-340 | 36-49 | -- | 60-90 | ≥25 |
| R410(1/2H) | 280-390 | 41-57 | -- | 80-110 | ≥15 |
| R480(H) | 350-420 | 51-61 | -- | 100-120 | ≥5 |
| R550(EH) | ≥360 | ≥52 | -- | 110-135 | -- |
| R630(SH) | -- | -- | -- | -- | -- |
*For reference only
Bending Performance
| State | 90°R/T | 180°R/T | ||
| Good Way | Bad Way | Good Way | Bad Way | |
| R350(1/4H) | -- | -- | -- | -- |
| R410(1/2H) | Good | Good | Good | Good |
| R480 | -- | -- | -- | -- |
*Test sample width 10mm thickness ≤0.5mm
Corrosion Resistance
Pure copper is stable in dry air and forms a protective oxide layer in humid environments, making it suitable for corrosive environments.
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