1. Material standard and purity
Grade: C10100, in accordance with ASTM standards, is known as oxygen-free copper (OFE C10100) or high-purity oxygen-free copper.
Purity: copper content ≥ 99.99%, oxygen content ≤ 0.001%, impurity elements (such as calcium, phosphorus, sulfur, etc.) content is very low, to ensure the high purity and stability of the material.
2. Chemical composition
Main components:
Copper (Cu): ≥99.99%, providing excellent electrical and thermal conductivity.
Impurity control:
Oxygen (O): ≤ 0.001%, ensuring high purity.
Other elements: such as Calcium (Ca), Phosphorus (P), Sulfur (S), Zinc (Zn), Mercury (Hg), Lead (Pb), etc., the content is ≤ 0.001%.
3. Physical properties
Density: 8.94-8.96 g/cm³, moderate density, excellent strength to weight ratio.
Conductivity: 100-101% IACS (International Annealed Copper Standard), conductivity 58.6 MS/m, ensuring efficient current transfer.
Thermal conductivity: 391 W/(m-K), suitable for radiators and heat exchangers.
Coefficient of thermal expansion: 16.5-17.7 × 10-⁶/K, good dimensional stability.
Melting point: 1083-1084°C, moderate melting point, easy to process and manufacture.
Modulus of elasticity: 115 GPa, specific heat capacity 0.385 J/(g-K).
4. Mechanical properties
Tensile strength (TS): ≥184 MPa, ensuring the stability of the material under high load conditions.
Yield strength (YS): ≥481 MPa, reflecting the deformation resistance of the material.
Elongation (EL): ≥98%, indicating that the material has good plasticity during processing.
Brinell hardness (HB): ≤399, moderate hardness, easy to process molding.
Processing performance: easy to weld, casting and machining, excellent molding performance.
5. Application areas
Electrical and electronic:
Cases: wires, cables, brushes, EDM special electrolytic copper.
Dependent properties: high electrical conductivity, thermal conductivity, processability.
Aerospace:
Examples: radar, navigation equipment, communication instruments.
Dependent properties: high purity, stability, corrosion resistance.
High-end manufacturing:
Cases: integrated circuit leads, semiconductor connectors, superconducting magnets.
Dependent properties: low resistivity, signal transmission stability.
Construction Chemicals:
Examples: distillation equipment, chemical plant piping.
Dependent properties: corrosion resistance, high temperature resistance.
