
Inconel 718 Pipe
1. Standard: ASTM B163, ASME SB163
2. Size: 1/2''~12'' OD
3. Thickness: SCH5~SCHXXS
4. Equivalent: UNS N07718, WNR.2.4668, Inconel 718
Inconel 718 Pipe is an age-hardenable nickel-chromium-iron alloy that also contains significant amounts of niobium, molybdenum, titanium, and aluminum, making it very resistant to harsh chemicals or corrosive gases. 2.4668 Alloy 718 pipe can withstand temperatures from cryogenics to approximately 1300°C (2372°F) without significant loss of strength. The excellent fatigue and stress corrosion cracking resistance of alloy n07718 is important for applications subject to cyclic loading, such as aerospace and the oil and gas industry. Contact us for more information and a free quote!
Inconel 718 Pipe Standard:
- ASTM B163: Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes
- Other Grades: Hastalloy C22, Hastalloy C276, Incoloy 800, Incoloy 800H, Incoloy 800HT, Incoloy 825, Monel K500, Inconel 600, Inconel 601, etc.
- Suppliers: We stock and produce bar, plate, tube, pipe, flange, fittings, pipe spool, and sheet.

Alloy 718 UNS N07718 Pipe Specifications
| Specification | ASTM B163 / ASME SB163, SAE AMS 5589, SAE AMS 5590 |
| Standard Specification | EN, AMS, JIS, ASTM, ASME, GB, DIN, DTD, AISI |
| Seamless pipe Size | 15 NB to 150 NB IN |
| 1/2" OD - 12" OD | |
| Welded pipe Size | 1/2" OD - 12" OD |
| Length | Upto 30 meters, Single Random, Double Random & Required Length End: Plain End, Beveled End, Treaded, or Custom Cut Lengths |
| WT | 0.40 mm - 12.70 mm |
| Schedule | 5, 10S, 10, 30, 40S, 40, 80, 80S, XS, 160, XXH |
| Manufacturing techniques | LSAW, Seamless, ERW, Welded, DOM, Fabricated, EFW, CEW, Seam-Welded, CDW |
ASME SB 163 UNS N07718 Pipe Mechanical Properties
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 718 | 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45% |
ASTM B163 Inconel 718 Tubing Applications
- Aerospace
- Chemical Processing
- Oil
- Gas Industry
Heat Treatment of Nickel Alloy 718 Pipe:
Aging Treatment Phase 1:
- Temperature: 720°C to 760°C
- Holding Time: 8 to 10 hours
- Cooling Rate: 50°C/h in furnace to approximately 620°C
Aging Treatment Phase 2:
- Temperature: 620°C
- Holding Time: 6 to 8 hours
- Cooling Method: Air Cooling
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