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Alloy 718
Technical Data Sheet
| Chemical Composition Limits | ||||||||||||||
| Weight% | Ni | C | Mn | Fe | S | Si | Cu | Cr | Al | Ti | Cb+Ta | Mo | P | OET |
| Alloy 718 | 50-55 | 0.08 max | 0.35 max | Bal | 0.015 max | 0.35 max | 0.30 max | 17-21 | 0.20-0.80 | 0.65-1.15 | 4.75-5.50 | 2.8-3.3 | 0.015 max | 0.50 max |
Alloy 718 is used for welding of Inconel® alloys 718, 706 and X-750. This filler metal is mainly used for welding high strength aircraft components and liquid rocket components involving cryogenic temperatures. The weld metal of the 718 is age hardenable and has mechanical properties comparable to those of the base metals
Typical Mechanical Properties
| Material | Ultimate Tensile Strength | Offset Yield Strength 0.2 % | Elongation (%) | ||
| psi | MPa | psi | MPa | ||
| Alloy 718 | 125,000 | 860 | 91,000 | 630 | 27 |
Availability
Nickel Alloy 718 is available in TIG, MIG and SUB-ARC wire used for welding. For all stock availability contact Sales.
Specifications
AWS 5.14
ASME SFA 5.14
AWS ERNiFeCr-2
UNS N07718
