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UNS N07718
Description
Inconel 718 has excellent corrosion resistance at high and low temperatures and good resistance to stress-corrosion cracking and pitting corrosion. Alloy 718 has good performance in hostile environments containing H2S, CO2, chlorides, sulfides and free sulfur at selected temperatures. Alloy 718 is commonly used for cryogenic storage tanks, downhole shafts and wellhead parts.
Specifications
Inconel 718 Specifications
| UNS | W.Nr |
| N077185 | 2.4668 |
Inconel 718 Chemical composition
| Grade | % | Ni | Cr | Fe | Mo | Nb | C | Mn | Si | S | Cu | Al | Ti | B |
| 718 | Min | 50 | 17 | Bal. | 2.8 | 4.75 | 0.20 | 0.65 | ||||||
| Max | 55 | 21 | 3.3 | 5.50 | 0.08 | 0.35 | 0.35 | 0.015 | 0.30 | 0.80 | 1.15 | 0.006 |
Inconel 718 Mechanical properties: (Minimum value at 20℃)
Tensile Strength σb/MPa | Yield Strength σp0.2/MPa | Elongation σ5 /% |
| 965 | 550 | 30 |
Inconel 718 Standards
| Bar | Forging | Sheet/Strip | Wire |
| ASTM B637 | ASTM B637 | ASTM B670 | AMS 5832 |
