Pure Copper
Pure Copper Strip · Pure Copper Sheet
High-purity pure copper (red copper) products covering mainstream grades such as T1, T2, TU1, TU2, TP1 and TP2. With excellent electrical conductivity, thermal conductivity and corrosion resistance, they are widely used in electronics and electrical, power and energy, architectural decoration and precision manufacturing. Custom thicknesses, widths and tolerance grades available.
· Product Features
- ≥99.9% copper purity
- ≥98% IACS conductivity
- 0.1–6.0 mm thickness range
- 1200 mm max width
Key Parameters
Pure Copper Grades
Covering Chinese national (GB) and major international standards to meet purity and performance requirements across industrial applications.
Available Specifications & Parameters
Full supply range for pure copper strip and sheet, with non-standard customization available.
| Product form | Thickness range | Width range | Length (sheet) | Notes |
|---|---|---|---|---|
| Pure copper strip | 0.1 – 6.0 mm | 20 – 1200 mm | Supplied in coils | Slitting available |
| Pure copper sheet | ≥0.5 – 6.0 mm | 20 – 1200 mm | ≤ 6000 mm | Sheet thickness 0.5 mm minimum |
Temper
- Soft (M/O) — Annealed, high ductility, suitable for deep drawing
- Half hard (Y2/H) — Balanced strength and ductility
- Hard (Y/EH) — High strength, suitable for structural parts and spring elements
- Extra hard (T/SH) — Highest strength, excellent elastic recovery
Quality Assurance
- Each batch comes with a certificate of analysis (COA), including chemical composition report
- Third-party certification (SGS, CTI, etc.) available
- Compliant with GB/T 2059 (strip) and GB/T 2040 (sheet) national standards
- Supply to international standards such as ASTM B152, JIS H3100 and EN 1652
Key Physical Properties
Typical physical and mechanical properties of pure copper (based on T2/C1100).
| Property | Value | Unit | Notes |
|---|---|---|---|
| Density | 8.89 – 8.94 | g/cm³ | Varies slightly with trace impurities |
| Electrical conductivity | ≥98 – 101 | % IACS | TU1 up to 101% IACS |
| Thermal conductivity | 385 – 401 | W/(m·K) | Measured at room temperature |
| Melting point | 1083 – 1085 | °C | Varies slightly with purity |
| Tensile strength (M) | 200 – 250 | MPa | Soft annealed temper |
| Tensile strength (Y) | 290 – 380 | MPa | Hard cold-worked temper |
| Elongation (M) | ≥30 – 45% | % | Ductility in soft temper |
| Resistivity | 0.01724 – 0.01777 | Ω·mm²/m | Value at 20°C |
| Coefficient of linear expansion | 16.5 – 17.0 | ×10⁻⁶/K | Range 20~300°C |
Main Applications
With outstanding electrical and thermal conductivity, pure copper plays an irreplaceable role in many key industries.
Electronics & Electrical
Connectors, lead frames, terminals, shielding cans, PCB copper clad laminates, heat sinks, busbars
Power & Energy
Transformer windings, busbars, switch contacts, cable tape, grounding electrodes, circuit breaker parts
Architectural Decoration
Curtain wall panels, roofing tiles, door handles, hardware fittings, artistic decoration, anti-corrosion linings
Precision Manufacturing
Bellows, diaphragm assemblies, sealing gaskets, chemical vessel linings, vacuum equipment parts
Automotive Industry
Radiators, brake lines, terminal connectors, washers, motor rotors, EV battery connections
Marine & Offshore
Propeller bearings, valve bushings, seawater piping, heat exchangers, sacrificial anodes
Need custom specifications or a volume quote?
We provide complete certificates of analysis (COA), third-party test reports and export packaging.
Small trial batches and long-term supply agreements supported. Our team will provide technical selection advice.