Handa Elgiloy Helical Springs in Various Sizes

Elgiloy helical springs represent a premium category of spring components, combining exceptional strength, corrosion resistance, and temperature stability. These specialized springs are manufactured from a sophisticated cobalt-chromium-nickel alloy that provides superior mechanical properties across extreme operating conditions.

Technical Specifications

Property	Specification
Material Composition	Co: 39-41%, Cr: 19-21%, Ni: 14-16%, Mo: 6-8%
Density	8.30 g/cm³ (0.300 lb/in³)
温度範囲	-184°C to 454°C (-300°F to 850°F)
Maximum Tensile Strength	Up to 380 ksi (2600 MPa)
Young’s Modulus	186-200 GPa cold reduced

Key Properties and Applications

Unique Advantages

1.Superior Corrosion Resistance – Virtually immune to crevice and stress corrosion in seawater

• Excellent resistance to sulfide stress cracking
• Maintains performance in harsh chloride environments

2.Temperature Stability – Operates effectively across extreme temperature ranges

• Maintains mechanical properties from cryogenic temperatures to 850°F
• Consistent performance in thermal cycling applications

3.Manufacturing Flexibility – Available in wire and strip configurations

• Custom tooling development for specialized requirements
• Expert engineering support for complex applications

Critical Applications

1.石油・ガス産業 – Primary application in wellbore environments

• Resistant to corrosion cracking in chlorides
• Reliable performance in sour gas conditions

2.医療機器 – Used in surgical instruments requiring precision

• Implants and medical equipment
• Orthodontic applications

3.Aerospace Systems – Satellite communications equipment

• Defense systems
• High-strength applications requiring temperature stability

Practical Considerations

1.Cost vs. Performance – Premium material with corresponding cost structure

• Justified in high-performance applications
• Provides significant advantages over conventional materials

2.Material Optimization – Can achieve up to 25% strength increase through aging cold reduced material

• Excellent formability despite high strength
• Non-magnetic properties enhance versatility

Elgiloy helical springs represent a premium solution for applications demanding exceptional performance, particularly in harsh environments or critical systems where conventional spring materials might fail. Their unique combination of properties makes them invaluable in industries where reliability and consistency are paramount.

You can contact qinjunchang@handashielding.com for available size specifications in stock.If you need customized service, you can also お問い合わせ and we will arrange our engineers to customize the right solution for you.