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Inconel 718 Wire (UNS N07718) – 0.05mm to 8mm | ASTM B637 / AMS 5662 for Aerospace & Turbine Blades

Inconel 718 wire is a high-strength, heat- and corrosion-resistant nickel-based superalloy designed for extreme aerospace environments. Manufactured to ASTM B637 and AMS 5662 standards, it offers excellent tensile strength, fatigue resistance, and oxidation stability at temperatures up to 700°C. Ideal for turbine blades, engine parts, and other high-performance components, this wire is available in diameters from 0.05mm to 8mm with OEM customization supported.
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Inconel 718 wire is a high-performance, nickel-based superalloy designed for extreme strength, corrosion resistance, and thermal stability in aerospace and turbine applications. Conforming to ASTM B637 and AMS 5662 specifications, this alloy wire performs reliably in environments exceeding 700°C and is widely used in the manufacture of jet engines, turbine blades, combustion systems, and other high-temperature components.

Key Features

  • High tensile and fatigue strength

  • Excellent resistance to oxidation and corrosion

  • Maintains mechanical integrity up to 700°C

  • Superb weldability and formability

  • Meets global standards: UNS N07718, AMS 5662, ASTM B637

Chemical Composition (Typical)

ElementContent (%)
Nickel (Ni)50.0 – 55.0
Chromium (Cr)17.0 – 21.0
Iron (Fe)Balance
Niobium + Tantalum (Nb + Ta)4.75 – 5.50
Molybdenum (Mo)2.80 – 3.30
Titanium (Ti)0.65 – 1.15
Aluminum (Al)0.20 – 0.80

Mechanical Properties (Annealed)

PropertyTypical Value
Tensile Strength≥ 965 MPa
Yield Strength (0.2% offset)≥ 550 MPa
Elongation≥ 30%
Hardness≤ 363 HB
Working Temperature-253°C to 700°C

Available Sizes & Formats

Wire Diameter RangeConditionFormTolerance
0.05 mm – 8.0 mmAnnealed / Cold DrawnCoil / Spool / Straight Length±0.01 mm

Applications

Inconel 718 wire is widely used in:

  • Aerospace components: turbine blades, engine rings, and fasteners

  • Gas turbines and combustion chambers

  • Spring wires for extreme conditions

  • Nuclear energy and marine systems

  • Chemical and cryogenic processing units

Processing Capabilities

  • Precision cold drawing and polishing

  • Bright annealing and solution treatment

  • Cut-to-length, coil packing, or bobbin-winding

  • OEM customization available

FAQ

Q: What is the smallest diameter you can supply?

We can produce Inconel 718 wire as thin as 0.05 mm with tight tolerance control, suitable for precision aerospace or micro-spring applications.

Q: Can Inconel 718 wire be used at cryogenic temperatures?

Yes. It performs well from -253°C to 700°C, offering both low-temperature toughness and high-temperature strength.

Q: What surface finishes are available?

We offer bright, matte, and oxide-free finishes depending on your technical and visual requirements.

Q: Do you support small batch orders or prototypes?

Yes. We support OEM and low-volume production for R&D or specialty aerospace projects. Contact us for custom sizing and sampling.

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