Factory Custom Inconel 718 High Temperature Alloy Springs

Factory Custom Inconel 718 High Temperature Alloy Springs

Inconel 718 is a Nickel-Chromium alloy being precipitation hardenable and having high creep-rupture strength at high temperatures to about 700°C (1290°F). It can be used for any TSMC spring product such as wave springs, retaining rings and compression springs.
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Inconel 718 Spring Manufacturer
 

718 Springs – Extreme Environment Performance

Lork Group manufactures high-performance Inconel 718 springs engineered for the most demanding aerospace, energy, and industrial applications. Renowned for its exceptional strength and corrosion resistance, Inconel 718 outperforms conventional alloys in extreme temperatures and aggressive environments.

Key Features & Benefits of Inconel 718 Springs

  • Superior Corrosion Resistance – Withstands harsh chemicals, saltwater, and oxidizing atmospheres, making it ideal for marine, chemical, and oil & gas applications.
  • Exceptional Strength – Tensile strength up to 230 Ksi (1590 MPa), ensuring reliable performance under extreme mechanical stress.
  • Wide Temperature Range – Maintains integrity from cryogenic -423°F (-272°C) up to 1300°F (704°C), perfect for jet engines, turbines, and nuclear systems.
  • Excellent Fabrication Properties – Easily formed into precision springs, wire forms, and complex components without sacrificing durability.
  • Stress & Fatigue Resistance – Long service life even under cyclic loading, reducing maintenance and replacement costs.
Technical Specification Inconel 718
Nominal Composition

Ni:50.0 - 55.0
Cr: 17.0 - 21.0

Cb(Nb): 4.75 - 5.5

Mo: 2.8 - 3.3

Density

0.296 lb./in3, (8.19 g/cm3)

Modulus of Elasticity (E)

At 70°F (20°C):29.0 x 103 ksi

Modulus of Rigidity (G)

At 70°F(20°C): 11.6x103 ksi

Coefficient of Expansion

7.7 µin/in.-°F (70°F to 600°F)
13.9 µm/m-°C (20°C to 300°C)

Electrical Resistivity

47.5 µΩ.in, (121 µΩ.cm)

Thermal Conductivity

79 Btu-in/ft2hr-°F, (12.0 W/m-K)

Min Size

0.002 in (0.0500 mm)

Max Temp

650oC (1200oF)

Uses of Inconel 718 springs

It has good resistance to oxidation and corrosion at high temperatures. Hence used in atmospheres encountered in jet engines and gas turbine operations.

 

 

Industries & Applications

Lork Group's Inconel 718 springs are trusted in mission-critical applications where failure is not an option:

Aerospace & Defense

  • Jet engine components
  • Turbine blades & fasteners
  • Missile & aircraft systems

Oil & Gas

  • Downhole tools
  • Valves & wellhead equipment
  • Offshore drilling components

Energy & Industrial

  • Nuclear reactor parts
  • Gas turbine springs
  • High-temperature sensors

Marine & Chemical Processing

  • Subsea equipment
  • Corrosion-resistant valves & pumps
  • Chemical reactor springs

 

Why Choose Lork Group for Inconel 718 Springs?

 

  • Custom Solutions – Wire diameters from 0.008" to 2.5", tailored to your specs.
  • Precision Manufacturing – Advanced coiling and heat treatment for optimal performance.
  • Industry Compliance – Meets AMS, ASTM, and MIL-SPEC standards.

 

Get a Quote Today!

Need high-strength, corrosion-resistant springs for extreme conditions? Contact Lork Group for expert engineering and fast delivery.

 

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