Inconel 718 Pipe

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Inconel 718 Pipe
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Inconel 718 Pipe Supplier for High-Temperature & High-Pressure Service
Most engineers don't pick a nickel alloy just for its anti-corrosion properties. The real test is whether it can hold up under prolonged heat and extreme pressure without getting brittle...
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Inconel Pipe or Tube
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Description
Inconel 718 Pipe

Inconel 718 Pipe Supplier for High-Temperature & High-Pressure Service

Most engineers don't pick a nickel alloy just for its anti-corrosion properties. The real test is whether it can hold up under prolonged heat and extreme pressure without getting brittle. That's exactly why Inconel 718 is such a workhorse in demanding industries. As a precipitation-hardening grade, it gives you exceptional strength paired with oxidation resistance, keeping its integrity up to about 700°C. Whether it's a turbine blade, a deep-sea manifold, or a high-pressure energy system, this pipe is the go-to solution when standard 316 or 304 just isn't going to cut it.

Product Specifications

 

Item
Details
Product Inconel 718 Pipe
UNS N07718
Standard ASTM B163, ASTM B167, ASTM B444, ASTM B829
Outside Diameter 6–610 mm
Wall Thickness 0.8–40 mm
Length 5.8 m, 6 m or Customized
Manufacturing Seamless / Welded
Surface Finish Annealed, Pickled, Bright
Processing Service Cutting, Beveling, Machining, Custom Length
Trade Terms FOB, CFR, CIF, EXW

 

Property Typical Value
Nickel (Ni) 50.0–55.0%
Chromium (Cr) 17.0–21.0%
Iron (Fe) Balance
Niobium + Tantalum 4.75–5.50%
Molybdenum (Mo) 2.80–3.30%
Tensile Strength ≥965 MPa
Yield Strength ≥550 MPa
Elongation ≥30%

 

What Makes Inconel 718 Pipe Different?

 

  • Maintains Strength at Elevated Temperature

Unlike many stainless steels that lose strength under prolonged heat, Inconel 718 retains excellent mechanical properties up to approximately 700°C, making it suitable for pressure-bearing components operating under continuous thermal stress.

  • Outstanding Fatigue and Creep Resistance

The precipitation-hardening structure provides excellent resistance to cyclic loading and creep deformation, helping extend service life in turbines, engines and rotating equipment.

  • Excellent Corrosion Performance

The high nickel and chromium content offers reliable resistance to oxidation, chloride-containing environments and many acidic process media, reducing maintenance and replacement costs.

  • Easy to Fabricate into Precision Components

Despite its high strength, Inconel 718 can be supplied as seamless or welded pipe and further processed through cutting, machining and welding to meet project requirements.

 

Typical Applications

 

  • Aerospace Engine Components
  • Gas Turbine Systems
  • Oil & Gas Downhole Equipment
  • Heat Exchangers
  • High-Pressure Process Pipelines
  • Nuclear Power Equipment
  • Chemical Processing Plants
Inconel 718 Pipe
 

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