C17510 Beryllium Copper is an alloy used primarily in applications that require high thermal or electric conductivity. The alloy offers good strength and hardness characteristics coupled with conductivity in the range of 45-60 percent of copper with ultimate tensile and hardness properties approaching 140 ksi and RB 100 respectively.
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C17510 is the secret weapon in your fight against electrical resistance and mechanical fatigue. Unlike conventional alloys, this spinodal-hardened copper laughs at 400°C operating temps while delivering 80% conductivity – making it the go-to for rocket engine seals and EV battery terminals that can’t afford to quit.
TECH SPECS THAT DEFY PHYSICS (UNS C17510 / DIN 2.1751)
| Property | C17510 (Spinodal Cu) | Beryllium Copper (C17200) |
|---|---|---|
| Composition | 97% Cu, 1.5% Co, 0.5% Sn | 98% Cu, 1.8% Be |
| Tensile Strength | 700-900 MPa | 1.100-1.400 MPa |
| Conductivity (IACS) | 75-85% | 22-28% |
| Thermal Stability | Stable to 450°C | Sag risk above 250°C |
| Fatigue Endurance | 10⁸ cycles @ 350 MPa | 10⁸ cycles @ 300 MPa |
| Machinability | 80% (Free-cutting brass=100%) | 60% |
5 REASONS ENGINEERS SWITCH TO C17510
Conductivity Champion
“Delivers 3X more current than beryllium copper per mm². Your battery busbars won’t overheat even at 500A continuous.”
Heat Warrior
“Keeps springs tense and connectors tight in jet engine bays where temps hit 400°C. No annealing, no creep.”
Beryllium-Free Safety
“Zero toxic machining fumes or disposal nightmares. ISO 13485 certified for surgical robotics.”
Fatigue Fighter
“Survives 100M+ compression cycles in EV contact springs. Outlasts the car by decades.”
Total Cost Slayer
“35% cheaper than BeCu, 300% faster machining, and no hazmat suits needed. CFOs hug their spreadsheets.”
SPINODAL HARDENING: Our Secret Sauce
Step 1: Vacuum Arc Casting
“Ultra-pure copper-cobalt melt (<10 ppm O₂) – no impurities allowed.”
Step 2: Solution Treatment
“Quenched at 900°C to trap alloy elements in suspension.”
Step 3: Cold Working
“Precision rolled to 50% reduction – building dislocation highways.”
Step 4: Spinodal Aging
“Heated to 500°C to trigger nano-scale waves of hardness (no precipitates!). Like tempering steel without brittleness.”
WHERE IT POWERS INNOVATION
| Industry | Critical Applications | Why C17510 Wins |
|---|---|---|
| Aerospace | Rocket injector seals, avionics springs | Stable at cryo-to-450°C swings |
| Electric Vehicles | HV contact springs, fuse clips | 85% IACS slashes cooling costs 40% |
| Medical | MRI waveguide coils, surgical lasers | Zero magnetic interference |
| Energy | Solar wafer clamps, fusion reactor contacts | Handles neutron bombardment |
| Robotics | Harmonic drive flexures | 0.0001° precision after 1M cycles |
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