C17500 Beryllium Cobalt Copper Bars / Plates / Custom Machined Parts
Product Name:
C17500 Beryllium Cobalt Copper Bars / Plates / Custom Machined Parts
Material Overview:
C17500 is a high-performance beryllium-cobalt copper alloy that offers excellent electrical conductivity, high strength, and exceptional wear resistance. It is precipitation-hardened to enhance its mechanical properties and is widely used in industrial applications where both high conductivity and mechanical strength are required.
Standards Compliance:
ASTM B441 / B534 (U.S. Standard), RWMA Class 3
GB/T 5231 (China National Standard)
Chemical Composition (wt%):
Copper (Cu): Balance
Beryllium (Be): ~2.4%
Cobalt (Co): ~0.6%
Physical Properties:
Density: 8.6 g/cm³
Melting Point: Approx. 1029°C
Electrical Conductivity: 45–60 %IACS (depending on heat treatment condition)
Mechanical Properties (Aged Condition):
Tensile Strength: ≥ 793 MPa
Yield Strength: ≥ 758 MPa
Hardness: ≥ 230 HB
Elongation: ≥ 10%
Heat Treatment Parameters:
Solution Annealing Temperature: 900–980°C
Aging Temperature: 315–400°C
Available Specifications:
Round Bars: Diameter 3mm–200mm
Plates: Thickness 0.12mm–200mm
Custom Parts: CNC machining, welding, surface finishing available per drawing
Typical Applications:
Electrical contacts and relay components
Resistance welding electrodes and fixtures
Die casting mold inserts and nozzle seats
High-fatigue-resistance springs and precision fasteners
Aerospace pins and oilfield electrical conductors
Product Advantages:
✅ Combines high strength and electrical conductivity
✅ Stable performance after heat treatment, long service life
✅ Excellent wear and corrosion resistance for high-frequency operations
✅ Supports custom cutting, precision machining, low MOQ
Service & Guarantee:
✔ Material certificates and third-party inspection reports available
✔ Nationwide inventory, complete specifications in stock
✔ Export-ready with anti-corrosion and moisture-proof packaging