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UNS N07718 / Alloy 718 Pipe Tube Picked/BA Surface Inconel 718 Alloy Seamless Pipe

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UNS N07718 / Alloy 718 Pipe Tube Picked/BA Surface Inconel 718 Alloy Seamless Pipe

Brand Name : DELTA

Model Number : Nickel Alloy 718

Certification : ISO

Place of Origin : China

MOQ : 500 kgs

Price : 40-45 USD/Kg

Payment Terms : L/C, T/T, Western Union

Supply Ability : 3 Ton per week

Delivery Time : 5 - 12 days based on the quantity

Packaging Details : standard packing for export

Products : Nickel alloy Pipe

Grade : Inconel 718

Diameter : DN10 - DN300

Length : 6m or custom cutting any length as request

Standard : ASTM EN

Service : Cutting

Loading Port : Shanghai Port

Thickness : 0.5 - 40.0mm

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UNS N07718 / Alloy 718 Pipe Tube Picked/BA Surface Inconel 718 Alloy Seamless Pipe

Products Specification

Model
Nickel Tubes Pipes
Material Grade
Inconel 600, Inconel 601, Inconel 625, Inconel 690, Inconel 718, Inconel 725, etc
Incoloy 800, Incoloy 825, Incoloy 925, Incoloy 800H, Incoloy 800, Incoloy926(AL-6XN), etc
Hastelloy C276, Hastelloy C22, Hastelloy C2000, Hastelloy X, etc
Diameter
a) Capillary Tube Outer Diameter: 0.2mm-6.mm
Welding Tube Outer Diameter: 6.mm- 840mm
Seamless Tube Outer Diameter: 6mm-630mm
b) Capillary Tube Wall Thickness: 0.02mm-2mm
Welding Tube Wall Thickness: 0.5-150mm
Seamless Tube Wall Thickness: 0.5-60mm
c) Length: ≤500mm Or in coil
Tolerance
a) Outer Diameter: +/- 0.01mm
b) Thickness: +/- 0.01mm
c) Length: +/- 0.1mm
Surface Treatment
Polishing,Annealing, Bright, Pickling
Type
Welded,Seamless
Shape
Round,Square,Irregular
Application
medical treatment, petroleum, aerospace, medical equipment, air conditioning, chemical industry, electronics, accessories, food machinery, power generation, pharmaceutical and other fields.

Inconel 718 Seamless Tube: Description, Parameters, Features, Standards, Specifications, and Applications

Inconel 718 seamless tubes are high-performance nickel-chromium-based superalloy tubes manufactured through a hot or cold working process without any welding seams. This alloy is renowned for its exceptional strength, corrosion resistance, and ability to withstand extreme temperatures and pressures, making it ideal for demanding applications in aerospace, oil & gas, and chemical processing industries.

  • Chemical Composition (%):

  • Nickel (Ni): 50-55
  • Chromium (Cr): 17-21
  • Iron (Fe): Balance
  • Niobium (Nb): 4.75-5.5
  • Molybdenum (Mo): 2.8-3.3
  • Titanium (Ti): 0.65-1.15
  • Aluminum (Al): 0.2-0.8
  • Carbon (C): ≤0.08
  • Manganese (Mn): ≤0.35
  • Silicon (Si): ≤0.35

  • Mechanical Properties:

    • Tensile Strength: ≥1035 MPa (150 ksi)

    • Yield Strength: ≥725 MPa (105 ksi)

    • Elongation: ≥12%

    • Hardness: ≤35 HRC

  • Temperature Resistance:

    • Continuous Service: -423°C to 705°C (-700°F to 1300°F)

    • Short-term Exposure: Up to 980°C (1800°F)

Features of Inconel 718 Nickel Alloy Pipe

  • High Strength: Maintains mechanical properties in extreme environments.
  • Corrosion Resistance: Resists oxidation, pitting, and crevice corrosion in harsh media.
  • Cryogenic Toughness: Performs well in sub-zero temperatures.
  • Fatigue Resistance: Excellent resistance to cyclic stresses.
  • Weldability: Can be welded using conventional methods (though post-weld heat treatment is recommended).

Standards & Specifications of Inconel 718 Nickel Alloy Pipe

  • ASTM: B516/B516M (U-bend tubes), B517/B517M (welded), B444 (pipe)

  • ASME: SB516, SB517, SB444

  • AMS: 5596 (sheet/strip), 5662 (bar/forging)

  • EN/DIN: 2.4668 (European equivalent)

  • NACE: MR0175/ISO 15156 compliant for sour service.

Common Specifications of Inconel 718 Nickel Alloy Pipe

  • Outer Diameter (OD): 6 mm to 250 mm (custom sizes available)

  • Wall Thickness: 1 mm to 20 mm

  • Length: Up to 12 meters (custom lengths possible)

  • Forms: Straight lengths, U-tubes, coiled tubing.

Applications of Inconel 718 Nickel Alloy Pipe

  • Aerospace: Jet engine components, turbine blades, exhaust systems.

  • Oil & Gas: Downhole tubing, wellhead parts, subsea equipment.

  • Chemical Processing: Reactors, heat exchangers, piping for corrosive fluids.

  • Nuclear Industry: Reactor core components, fuel assemblies.

  • Power Generation: Gas turbines, boiler components.

Inconel 718 seamless tubes are a premium choice for critical environments where reliability and durability are paramount.

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