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.​

Chemical Composition

Mechanical Properties

Physical Properties

• 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​

Applications

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.

Frequently Asked Questions

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.​

Wuxi Nickel New Material Co., Ltd. is a high-tech enterprise integrating the production, manufacturing, and research & development of specialty alloy materials. Located in Wuxi, Jiangsu Province, the company specializes in precision alloys, titanium alloys, high-temperature alloys, corrosion-resistant alloys, heat-resistant steels, nickel-based welding wires, and other specialty materials, with an annual production capacity of 5,000 tonnes. Our product range includes plates, bars, wires, and strips, which are widely used in industrial electric furnaces, power‐station boilers, petrochemical plants, aerospace, marine engineering, machinery, and electronic instrumentation. These materials are characterized by high electrical resistance, high‐temperature strength, corrosion resistance, wear resistance, and fatigue resistance. We can manufacture in compliance with national, industry, and international standards, and are also able to tailor products to meet specific customer requirements.
The company is committed to improving and enhancing its production infrastructure all year round, with a full range of production and processing equipment including vacuum smelting, hot processing, cold processing, and heat treatment. It also has various physical and chemical analysis testing facilities such as spectrometers to ensure product quality. The company has a high-quality R&D, production, and management team that is fully capable of meeting the complex requirements of the current market for material diversification, refinement, and functionalization. Our company is particularly skilled in developing and producing "specialized materials" that are suitable for the market and specific customer needs, which will be one of our company's characteristics. The company adheres to the business philosophy of "guided by market demand, driven by technological progress, and committed to optimizing and innovating materials to create greater value for customers", serving society and the market.