C16200 Cadmium Copper

Detailed Parameters of C16200 Cadmium Bronze

I. Chemical Composition

Main Components:

Copper (Cu): Balance (≥98.5%)

Cadmium (Cd): 0.8% to 1.3%

Impurity Limits:

Total impurities ≤0.3% (including tin, lead, iron, zinc, etc.), with zinc (Zn) content not explicitly listed as a main component.

Note: Some sources mention a "zinc-to-copper ratio of 5:1"?4, but this contradicts mainstream standards and most data. The correct description should be copper as the base and cadmium as the alloying element.

II. Mechanical Properties

Tensile Strength:

Rod (annealed state): ≥196 MPa, can exceed 390 MPa after cold working.

Elongation:

Rod (annealed state): ≥35%.

Hardness:

Rod (annealed state): ≤75 HB;

Plate (cold-worked state): 140-180 HV.

III. Physical Characteristics

Electrical Conductivity: Conductivity ≥40% IACS (International Annealed Copper Standard), suitable for high-conductivity applications.

Thermal Conductivity: Similar to high-purity copper, suitable for heat dissipation components?58.

Corrosion Resistance: Good resistance to seawater, acid, and alkali environments, ideal for marine and chemical equipment.

IV. Processing and Treatment Specifications

Hot Working Temperature: 780～800°C, must avoid cadmium volatilization (toxic).

Strengthening Methods: Primarily cold working (e.g., rolling, drawing), with minimal age-hardening effects.

Delivery Conditions: Available in annealed (R), cold-worked (Y) states, with options for customized flaw detection and surface treatment.

V. Application Fields

Electronics and Electrical: High-conductivity terminals, waveguides, semiconductor devices.

Aerospace: Turbine blades, structural components for navigation systems.

Mechanical Manufacturing: Bearings, gears, high-strength bolts.

Chemical/Marine: Corrosion-resistant pipes, valves, reactor linings.

Relevant Standards:

Chinese Standard: GB/T 13808-1992?27

International Standards: ASTM B624 (rods), ASTM B103 (plates)

Note: Parameters vary with material form (rod/plate/tube) and processing state; selection should be based on specific requirements.