Inconel 718 is an age-hardenable nickel-chromium alloy that combines corrosion resistance with high strength and good fabricability. It has high creep-rupture strength at temperatures up to 700℃. Its excellent relaxation resistance contributes to its application in springs.
Chinese designation: 因科镍 718 (Inconel 718)
| Element | Min % | Max % |
|---|---|---|
| Ni | 50 | 55 |
| Cr | 17 | 21 |
| Nb+Ta | 4.75 | 5.5 |
| Mo | 2.8 | 3.3 |
| Ti | 0.65 | 1.15 |
| Co | — | 1 |
| Al | 0.2 | 0.8 |
| Mn | — | 0.35 |
| Si | — | 0.35 |
| Cu | — | 0.3 |
| C | — | 0.08 |
| P | — | 0.015 |
| S | — | 0.015 |
| B | — | 0.006 |
| Fe | balance | — |
Chemical composition per the grade specification. Values are nominal; the certified analysis is issued with every order on EN 10204 3.1 documentation.
| Product form | ASTM / EN specification |
|---|---|
| Rod, bar and forging | B 637 |
| Plate, sheet and strip | B 670, B 906 |
| Seamless pipe and tube | B 983 |
Inconel 718 (UNS N07718, DIN W. Nr. 2.4668) is a nickel-based alloys grade. Inconel 718 is an age-hardenable nickel-chromium alloy that combines corrosion resistance with high strength and good fabricability. It has high creep-rupture strength at temperatures up to 700℃. Its excellent relaxation resistance contributes to its application in springs.
ROBAN supplies Inconel 718 as rod, bar and forging, plate, sheet and strip, seamless pipe and tube, with custom dimensions to your drawing.
Yes. Every order ships with EN 10204 3.1 material certification covering the actual heat analysis. 3.2 documentation is available where the contract requires it.
Stock items ship within 3 to 7 working days. Cut-to-size and forged items typically run 15 to 30 working days depending on quantity and specification. Send us your drawing or enquiry for a firm lead time.
Drawing, grade, dimensions, quantity and delivery date — we price from those.
Request a Quote →Heat analysis certificate issued with every order at no extra charge.
Quality documentation →Shearing, sawing and machining to the tolerances on your drawing.
Capabilities →Buyers often substitute within a family once service conditions, corrosion behaviour or fabrication method narrow the choice.
