C16500 Cadmium Tin Copper is a high-strength, age-hardenable copper alloy with the addition of cadmium and tin, known for its exceptional mechanical properties, good electrical conductivity, and improved corrosion resistance, used in electrical contacts, connectors, and other applications requiring high strength and good electrical performance.
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When your components face relentless friction, vibration, or searing heat, C16500 laughs in the face of failure. This cadmium-tin copper alloy is the unsung hero inside jet engine connectors, high-voltage switches, and industrial springs that outlive the machines they’re built into.
TECH SPECS THAT MATTER (ASTM B624 / UNS C16500)
| Parameter | C16500 Performance | Standard Copper |
|---|---|---|
| Composition | Cu + 0.6-1.0% Cd + 0.5% Sn | Pure Copper (C11000) |
| Tensile Strength | 550-700 MPa | 210-380 MPa |
| Conductivity | 85% IACS | 101% IACS |
| Hardness | 160-200 HV | 60-100 HV |
| Max Temp | 350°C (continuous) | 150°C |
5 REASONS ENGINEERS SLEEP BETTER WITH C16500
Wear Resistance Warrior
“Slams through 500.000+ duty cycles in relay contacts while competitors tap out at 80.000. Like armor plating for moving parts.”
Heat Defier
“Handles exhaust manifold temps without breaking a sweat. Other alloys wilt like salad in a furnace.”
Spring King
“Returns to shape after compression like memory foam on steroids. Zero ‘fatigue amnesia’ even at 90% load.”
Controlled Conductivity
“Goldilocks conductivity: Enough to prevent arcing, not so much that it melts under load. Perfect for breaker contacts.”
Machinist’s Dream
“Cuts like butter but wears like iron. Low tooling costs + long service life = CFOs doing happy dances.”
HOW WE BUILD TOUGHNESS
Step 1: Precision Alloying
"Cadmium/tin infused under argon shield – no oxidation sabotage."
Step 2: Extrusion Alchemy
"Hot-pressed into near-net shapes tighter than a submarine hatch."
Step 3: Cold Working Magic
"Rolled to 40% reduction – where strength meets springiness."
Step 4: Stress Relief Ballet
"Annealed at 450°C to lock in toughness without brittleness."
WHERE IT DOMINATES
| Industry | Critical Applications | Why C16500? |
|---|---|---|
| Aerospace | Engine sensor sockets, landing gear pins | Survives -55°C to 300°C thermal shocks |
| Energy | Circuit breaker arms, fuse clips | Welding-friendly, arc-resistant |
| Automotive | Clutch bearings, turbo actuator springs | Outlasts 10-year warranty cycles |
| Heavy Machinery | Hydraulic valve stems, crane sheaves | Laughs at abrasive dust/debris |
| Robotics | Joint bushings, actuator cams | Zero galling after 1M+ cycles |
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