I. Basic Material Parameters
Material grade: T2 copper, TU1 oxygen-free copper, C1100 copper
2. Material purity: Copper content ≥ 99.90%
3. Material hardness: Soft O state, Semi-hard 1/2H state, Fully hard H state
4. Material thickness: 0.1mm to 3.0mm. Customization available.
5. Surface finish: Mirror finish, frosted finish, matte finish, acid-washed natural color
II. Dimension Accuracy Parameters
Shape tolerance: ±0.02mm to ±0.05mm
2. Diameter tolerance: ±0.015mm
3. Bending angle tolerance: ±0.5°
4. Flatness: ≤ 0.03mm/100mm
5. Step distance / Positioning accuracy: ±0.01mm
III. Pressing Process Parameters
Processing technology: Precision progressive die stamping, punching, blanking, bending, stretching, pressing ribs, flanging, and riveting for integrated forming.
2. Production method: High-speed continuous die automatic stamping
3. Applicable molds: Precision progressive dies, single-process stamping dies
4. Batch production capacity: Capable of producing tens of thousands of items per day, supporting large-scale mass production.
5. Minimum bending radius: R0.15mm
IV. Physical Performance Parameters
Conductivity: ≥ 58 MS/m, excellent conductivity performance
2. Thermal conductivity: ≥ 401 W/(m·K)
3. Tensile strength: 200 - 380 MPa (varies depending on the hardness/softness state)
4. Elongation: Soft state ≥ 35%, easy to bend without breaking
5. Temperature resistance performance: Resistant to high temperatures, not prone to oxidation, suitable for electrical and new energy applications.
V. Surface Treatment Parameters
Optional process:
Original color cleaning, oil removal and oxidation prevention
Tin plating, silver plating, gold plating
Dulling anti-rust and anti-oxidation coating
Polished and brushed finish
VI. Applicable Industries & Characteristics
Application fields: Electrical connectors, new energy conductive sheets, electrical switch accessories, precision electronic copper terminals, hardware conductive stamping parts
2. Product advantages: High conductivity, high heat conductivity, good toughness, easy for stamping and molding, corrosion-resistant, and not prone to deformation.