inconel 718
Short Description:
Alloy 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
| UNS | W.Nr |
| N07718 | 2.4668 |
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 |
Mechanical properties(Minimum value at 20℃)
| Tensile Strengthσb/MPa | Yield Strengthσp0.2/MPa | Elongationσ5 /% |
| 965 | 550 | 30 |
Standard
| Bar | Forging | Sheet/Strip | Wire |
| ASTM B637 | ASTM B637 | ASTM B670 | AMS 5832 |
