1. Material Standards & Grades

Primary Standards:

• ASTM B152 - Copper Sheet, Strip, Plate, and Rolled Bar

• EN 1652 - Copper and copper alloys - Plate, sheet, strip and circles for general purposes

• JIS H3100 - Copper and copper alloy sheets, plates and strips

• GB/T 2040 - Copper and copper alloy plates

Common Copper Grades:

2. Chemical Composition (% by weight)

3. Mechanical Properties

4. Physical Properties

5. Product Specifications

Copper Plate:

Copper Coil:

6. Surface Quality

Surface Finish:

Surface Treatment:

• Bare Copper: Natural copper color

• Anti-tarnish: Chemical treatment for surface protection

• Tin-plated: Solderability enhancement

• Nickel-plated: Wear resistance improvement

7. Testing & Inspection

Standard Tests:

• Tensile test (ASTM E8)

• Hardness test (ASTM E18)

• Electrical conductivity test (ASTM B193)

• Chemical analysis (Spectrometer)

• Surface roughness measurement

• Dimensional inspection

• Visual inspection

Optional Tests:

• Grain size measurement

• Bend test

• Fatigue test

• Stress relaxation test

• Third-party inspection

8. Applications

Electrical Applications:

• Busbars and conductors

• Transformer windings

• Switchgear components

• Electrical connectors

• Circuit breakers

Electronic Applications:

• Printed circuit boards

• Semiconductor lead frames

• RF shielding

• Heat sinks

• Electronic connectors

Industrial Applications:

• Heat exchangers

• Chemical processing equipment

• Architectural applications

• Automotive radiators

• Roofing and flashing

9. Special Characteristics

Electrical Properties:

• Volume Resistivity: 1.7241 μΩ·cm at 20°C

• Temperature Coefficient: 0.00393/°C

• Current Carrying Capacity: Based on cross-sectional area

Thermal Properties:

• Specific Heat Capacity: 385 J/kg·K

• Thermal Diffusivity: 116 mm²/s