Wuxi Nickel Alloy New Material Technology Co., Ltd
Wuxi Nickel Alloy New Material Technology Co., Ltd
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Elgiloy Rod: High-Performance Cobalt-Chromium-Nickel Alloy for Demanding Applications
Elgiloy rod, also known as UNS R30003 or Phynox, is a high-performance cobalt-chromium-nickel alloy renowned for its exceptional strength, corrosion resistance, and fatigue durability. Originally developed for watchmaking, Elgiloy has found critical applications in aerospace, medical devices, oil and gas, and marine engineering due to its superior mechanical properties and reliability in harsh environments.
| Element | Composition (%) |
|---|---|
| Cobalt (Co) | 39.0 – 41.0 |
| Chromium (Cr) | 19.0 – 21.0 |
| Nickel (Ni) | 14.0 – 16.0 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 6.0 – 8.0 |
| Manganese (Mn) | 1.5 – 2.5 |
| Carbon (C) | ≤ 0.15 |
| Silicon (Si) | ≤ 1.20 |
| Phosphorus (P) | ≤ 0.015 |
| Sulfur (S) | ≤ 0.015 |
| Beryllium (Be) | ≤ 0.10 |
| Condition | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| Annealed | 690 | 480 | 55 |
| Spring Temper | 1515 – 2000 | Not specified | Not specified |
| Spring Temper + Aged | 1790 – 2275 | Not specified | Not specified |
Density: 8.30 g/cm³
Melting Point: 1427°C (2601°F)
Modulus of Elasticity: 190 GPa
Thermal Conductivity: 12.5 W/m·K
Electrical Resistivity: 99.6 µΩ·cm
Elgiloy rod is utilized in various industries for its outstanding properties:
Medical Devices: Orthopedic implants, pacemaker leads, surgical instruments.
Aerospace: Engine components, fasteners, seals.
Oil & Gas: Downhole tools, safety valve components.
Marine Engineering: Subsea connectors, drill collars.
Watchmaking: Precision springs and components.
Q1: What are the key advantages of using Elgiloy rod?
Elgiloy rod offers high strength, excellent corrosion resistance, and fatigue durability, making it ideal for demanding applications in various industries.
Q2: In which industries is Elgiloy rod commonly used?
Elgiloy rod is widely used in aerospace, medical devices, oil and gas, marine engineering, and watchmaking due to its superior properties.
Q3: What are the heat treatment options for Elgiloy rod?
Elgiloy rod can be heat-treated to achieve different mechanical properties, including annealing and aging processes, to enhance its strength and performance.