Ni-Fe-Cr Filler Metal
INCONEL Filler Metal 718 is used for gas-tungsten-arc welding of INCONEL alloys 718,
706 and X-750. The weld metal is age hardenable and has mechanical properties
comparable to those of the base metals.
Specifications
AWS A5.14 ERNiFeCr-2 (UNS N07718)
ASME II, Part C, SFA-5.14, ERNiFeCr-2 (UNS N07718)
*BS2901 NA 51
*DIN 1736 SG-NiCr19NbMoTi (2.4667)
*(EN) ISO 18274 – SNi7718 (NiFe19Cr19Nb5Mo3)
*Supply to these specifications available upon request.
For manufacture to ASME III (NCA3800, NB2400), Rolls Royce, AMS and other specifications please refer your inquiry to the Technical Department prior to order placement.
Approvals
Please confirm details of current scope of approvals with the Technical Department prior to order placement.
| Limiting Chemical Composition | |||
|---|---|---|---|
| Ni: | 50.0-55.0 | Al: | 0.20-0.80 |
| C: | 0.08 max. | Ti: | 0.65-1.15 |
| Mn: | 0.35 max. | Nb+Ta: | 4.75-5.50 |
| Fe: | Remainder | Mo: | 2.80-3.30 |
| S: | 0.015 max. | P: | 0.015 max. |
| Si: | 0.35 max. | B: | 0.006 max. |
| Cu: | 0.30 max. | Co: | 1.0 max. |
| Cr: | 17.0-21.0 | ||
| Minimum Mechanical Properties | |
|---|---|
| Tensile Strength, psi | 165,000 |
| MPa | 1138 |
| Properties | |
| (Age hardened condition: 1325°F (720°C)/8 hours, Furnace Cool 100°F (55°C)/hour to 1150°F (620°C)/8 hours, Air Cool) | |
| Available Product Forms | ||||||||
|---|---|---|---|---|---|---|---|---|
| mm | 0.8 | 0.9 | 1.0 | 1.14 | 1.2 | 1.6 | 2.4 | 3.2 |
| in | 0.030 | 0.035 | 0.040 | 0.045 | 0.047 | 0.062 | 0.093 | 0.125 |

