Discover premium Inconel 718 welded pipe from SUNNING STEEL – engineered for high strength, corrosion resistance, and excellent weldability. Ideal for aerospace, oil & gas, and chemical processing applications. Available in custom sizes with global shipping.
The Inconel 718 welded pipe is a high-strength, corrosion-resistant nickel-chromium alloy designed for extreme environments, especially those requiring excellent fatigue, creep, and rupture resistance. Strengthened by niobium, molybdenum, titanium, and aluminum, this alloy offers outstanding weldability and post-weld mechanical properties—making it a top choice for critical aerospace, marine, and chemical processing applications.
Manufactured under strict quality standards, SUNNING STEEL's Inconel 718 welded pipes meet the most demanding international specifications and performance criteria.
| Specification | Details |
| OD Range | 1/2" – 12" (12.7mm – 323.9mm) |
| Wall Thickness | SCH 5S to SCH XXS (1.65mm–25.4mm) |
| Length | Up to 12 meters or custom |
| Standard | ASTM B705 / ASME SB705 |
| Form | Welded, Bead-removed, Annealed |
| Surface Finish | Bright Annealed / Pickled |
| Certification | EN 10204 3.1 / 3.2 |
| Property | Value |
| Tensile Strength | ≥ 965 MPa |
| Yield Strength (0.2% offset) | ≥ 758 MPa |
| Elongation | ≥ 12% |
| Hardness (Rockwell C) | 33 – 44 HRC |
A1: It performs reliably from cryogenic temperatures up to approximately 700°C (1300°F) for long-term exposure.
A2: Yes, Inconel 718 offers excellent weldability without cracking and retains strength after welding.
A3: Absolutely. SUNNING STEEL offers customized lengths, surface finishes, and export-grade packaging according to client requirements.
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