Hastelloy C276 canted coil springs represent a revolutionary advancement in spring technology, specifically engineered for extreme industrial environments where conventional springs fail to perform reliably. These specialized springs combine the exceptional corrosion resistance of Hastelloy C276 alloy with the unique mechanical advantages of canted coil design, creating a solution that excels in the world’s most demanding applications.
The foundation of these springs lies in their sophisticated material composition:
| Element | Percentage | Key Contribution |
|---|---|---|
| Nickel (Ni) | 57% | Primary matrix, corrosion resistance |
| Molybdenum (Mo) | 16% | Enhanced corrosion resistance, strength |
| Chromium (Cr) | 16% | Oxidation resistance, high-temperature stability |
| Tungsten (W) | 4% | Strength at elevated temperatures |
| Iron (Fe) | Balance | Structural integrity, cost-effectiveness |
This carefully balanced composition yields exceptional physical properties:
| Property | Value | Unit | Significance |
|---|---|---|---|
| Density | 0.321 | lb/in³ | Optimal weight-to-strength ratio |
| Modulus of Elasticity | 29.8 × 10⁶ | psi | Superior spring force consistency |
| Modulus of Rigidity | 11.4 × 10³ | ksi | Excellent torsional resistance |
| Coefficient of Expansion | 7.1 | µin/in.-°F | Minimal thermal distortion |
| Thermal Conductivity | 67.9 | Btu/(hr/ft²/in/°F) | Efficient heat dissipation |
| Minimum Size | 0.031 | inches | Precise applications capability |
| Maximum Temperature | 400 | °C (750°F) | Extended high-temperature service |
The springs demonstrate unparalleled resistance to:
1.Flue Gas Desulfurization (FGD) – Absorber tower springs handling sulfur compounds
2.Pharmaceutical Industry – CIP/SIP-compatible reactor seals
3.Pulp and Paper – Bleach plant equipment exposed to chlorine compounds
4.Waste Treatment – Scrubber system components handling corrosive gases
The implementation of Hastelloy C276 canted coil springs provides significant economic advantages:
1.Extended Service Life – 3-5 times longer operational life compared to standard springs
2.Reduced Downtime – Minimized critical system maintenance periods
3.Reliability Enhancement – Guaranteed leak-free sealing under thermal and chemical stress
Our engineering team provides comprehensive support services:
These springs represent the ultimate solution for extreme industrial applications, combining the corrosion resistance of Hastelloy C276 with the mechanical advantages of canted coil design. Their ability to maintain performance in environments where conventional springs fail makes them an invaluable component in modern industrial processes.