C17200 is also known as Alloy 25 and is the most commonly utilized beryllium copper alloy and is notable for exhibiting the highest strength and hardness compared to commercial copper alloys. Its strength and hardness is similar to that of steel. C17200 copper's ultimate tensile and Rockwell hardness properties in a peak aged condition are in the 200 ksi range and RC 45 respectively (electrical conductivity 22% IACS minimum).
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Where raw strength meets precision, C17200 Beryllium Copper delivers. With up to 1.400 MPa tensile strength after age hardening and 22% conductivity, this alloy powers everything from non-sparking oil rig tools to Mars rover gyroscopes. When brass bends and steel fails, C17200 flexes its beryllium muscle.
TECH SPECS THAT REWRITE RULES
| Property | C17200 (Age-Hardened) | Stainless 304 | Phosphor Bronze |
|---|---|---|---|
| Tensile Strength | 1.150–1.400 MPa | 505 MPa | 380 MPa |
| Conductivity (IACS) | 22–28% | 3% | 15% |
| Fatigue Limit | 500 MPa (10⁸ cycles) | 240 MPa | 170 MPa |
| Rockwell Hardness | C38–42 | B80 | B88 |
| Thermal Stability | 425°C max | 870°C (loses strength) | 200°C |
| Machinability | 85% (vs. free-cutting brass) | 45% | 70% |
Certifications: ASTM B196. AMS 4533. DIN 2.1247. RoHS/REACH compliant
5 REASONS C17200 OUTPERFORMS
Non-Sparking & Non-Magnetic
"Essential for explosive environments: oil rigs, munitions plants, hydrogen facilities. Passes EN 13463-1 spark testing."
Fatigue-Proof Durability
"Survives 100M+ cycles in aircraft landing gear springs. Outlasts titanium alloys at 60% cost."
Strength × Conductivity
"Carries 6X more current than stainless steel per mm² while handling 3X the mechanical load."
Precision Machinist’s Dream
"Cuts smoothly pre-hardening; heat-treats to ±0.0001" tolerances. Zero warping, no toxic fumes like leaded alloys."
Corrosion Warrior
"Resists seawater, acids, and sweat. Ideal for submarine connectors and surgical tools (ISO 13485 certified)."
HOW WE ENGINEER PERFECTION
1 Vacuum Induction Melting
"Ultra-pure copper + 1.8-2.0% Be fused oxygen-free. Impurities <50 ppm ensure fatigue resistance."
2 Hot/Cold Rolling
"Precision-formed into strip/rod with ±0.005mm thickness control for aerospace springs."
3Solution Annealing
"Quenched at 790°C to lock beryllium in solution – creating a 'strength time bomb'."
4 Age Hardening
"Heated to 320°C for 2-3 hours: beryllium precipitates form nano-armor, boosting hardness 300%."
WHERE IT POWERS INNOVATION
| Industry | Critical Applications | Why C17200 Wins |
|---|---|---|
| Aerospace | Actuator springs, radar waveguides | Handles -55°C to 260°C swings without creep |
| Defense | Missile guidance bearings, fuse parts | Non-magnetic & EMP-resistant |
| Oil & Gas | Downhole tool springs, blowout preventers | Spark-proof in methane-rich environments |
| Medical | Surgical lasers, MRI components | Biocompatible & sterilizable |
| Robotics | Cobot torque sensors, flexure pivots | Near-zero hysteresis after 10M cycles |
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