Nickel Alloy ERNiFeCr-1
UNS N07718 · ISO S Ni 7718
ERNiFeCr-1 is an age-hardenable, Nb-bearing Ni-Fe-Cr filler wire (UNS N07718) matched to Alloy 718 base metal, used to preserve high-temperature strength in gas turbine and aerospace repairs.
Reference datasheet — ERNiFeCr-1 is not in the instant-quote catalog. Upload your part and an engineer will quote it in this grade or suggest the closest stocked equivalent.
Values for the AW condition
ERNiFeCr-1 tempers and conditions
ERNiFeCr-1 is supplied in 5 conditions, soft to hard. AW is the default FabDigit quotes; the values on this page are for it.
Compare all 5 conditionsHide
| Condition · open for datasheet | Best for | Yield MPa | Tensile MPa | Elong. % | Hardness | Conductivity |
|---|---|---|---|---|---|---|
Solution annealed weld/deposit | Intermediate softened state used before further machining, straightening or when the assembly must be cold-formed after welding. | 450 | 900 | 42 | 200 HB | — |
AWDefault As-welded deposit | Default reported condition for the deposit: use when the joint sees only moderate stress/temperature or when PWHT is impossible. | 540 | 860 | 28 | 24 HRC | — |
720 °C/8 h + FC + 620 °C/8 h (double age only) | Pick when the base metal is already solution treated and only the weld needs strengthening without re-solutioning the part. | 930 | 1,150 | 16 | 38 HRC | — |
STA | Choose when creep/stress-rupture life above 600 °C and Laves-phase dissolution matter more than room-temperature strength. | 1,030 | 1,240 | 14 | 40 HRC | — |
STA | Standard aerospace weldment condition when fine grain size and best low-cycle fatigue/notch ductility are required. | 1,080 | 1,280 | 15 | 42 HRC | — |
Supply forms, finishes and certifications
Ways ERNiFeCr-1 is supplied — form, process route, surface or paperwork — without a datasheet of their own. The property values above apply.
| Option | What it is | Type |
|---|---|---|
WIRE-CD | Wire product form | Supply form |
What is ERNiFeCr-1?
ERNiFeCr-1 is an age-hardenable, Nb-bearing Ni-Fe-Cr filler wire (UNS N07718) matched to Alloy 718 base metal, used to preserve high-temperature strength in gas turbine and aerospace repairs. It is supplied as cold-drawn wire for GTAW, GMAW and laser welding and can be post-weld solution treated and aged (STA-954, STA-1065) to reach roughly 540 MPa yield, 860 MPa tensile, 28% elongation and 245 HB (24 HRC). Service is limited to about 600 °C and machinability is low (score 25). The deposit is sensitive to Laves-phase segregation and HAZ liquation cracking, so heat input and interpass temperature must be controlled. ERNiFeCr-1 has a density of 8.19 g/cm³ (0.296 lb/in³), lighter than 68% of nickel alloy grades. It melts at 1,260°C (2,300 °F). ERNiFeCr-1 has a yield strength of 540 MPa (78.3 ksi) and a tensile strength of 860 MPa (125 ksi) — stronger than 78% of nickel alloy grades. Elongation at break is 28% and the elastic modulus is 200 GPa (29 Msi).
What is ERNiFeCr-1 used for?
- gas turbine component repair
- aerospace superalloy fabrication
- 718 fastener/hardware welding
Advantages
- Tough — resists crack growth — 130 MPa·√m (118.3 ksi·√in), better than 85% of nickel alloy grades
- High strength — 540 MPa (78.3 ksi), better than 78% of nickel alloy grades
ERNiFeCr-1 properties
Typical room-temperature values for ERNiFeCr-1-AW; bars are the position among nickel alloy grades.
Physical3
ERNiFeCr-1 has a density of 8.19 g/cm³ (0.296 lb/in³), lighter than 68% of nickel alloy grades. It melts at 1,260°C (2,300 °F).
Mechanical15
ERNiFeCr-1 has a yield strength of 540 MPa (78.3 ksi) and a tensile strength of 860 MPa (125 ksi) — stronger than 78% of nickel alloy grades. Elongation at break is 28% and the elastic modulus is 200 GPa (29 Msi).
Thermal6
ERNiFeCr-1 is rated for continuous service to 600°C (1,112 °F). It conducts heat at 11.4 W/m·K (6.59 BTU/hr·ft·°F), better than 53% of nickel alloy grades. Thermal expansion is 13 µm/m·K (7.22 µin/in·°F).
Electrical3
ERNiFeCr-1 conducts electricity at 1.4 % IACS, worse than 65% of nickel alloy grades.
Chemical & Environmental3
Corrosion resistance is very good (78/100), better than 51% of nickel alloy grades.
Sustainability4
Producing a kilogram of ERNiFeCr-1 takes about 135 MJ of energy and emits 13 kg of CO₂ — less than 84% of nickel alloy grades. Typical recycled content is 30%.
Manufacturability7
ERNiFeCr-1's machinability is poor (25/100, better than 76% of nickel alloy grades); weldability very good (70/100); formability fair (45/100).
Common Calculations5
Values are nominal handbook figures for design screening. Certified mill or lot data ships with every FabDigit order on request.
Strength versus weight in the nickel alloy family
Yield strength against density for every nickel alloy grade FabDigit runs. ERNiFeCr-1 is highlighted; hover a dot for its name, or open the interactive family chart.
Working with ERNiFeCr-1
Is ERNiFeCr-1 easy to machine?
Machine in the solution-annealed state where possible; aged deposits at 40+ HRC need rigid setups, ceramic or coated carbide, low speed/heavy feed and flood coolant to avoid work hardening.
Can ERNiFeCr-1 be welded?
GTAW/GMAW/laser with 100% Ar (add 2–5% He for penetration), low heat input, interpass <150 °C to limit Laves-phase segregation and HAZ liquation cracking; keep the filler clean and dry.
Can ERNiFeCr-1 be formed, bent or molded?
Wire drawing and cold bending are done in the annealed state; cold work rapidly raises strength, so intermediate anneals are required for large deformation.
ERNiFeCr-1 chemical composition (wt %)
Limits by weight percent from the governing specification, written the way the spec states them — a single maximum for impurities, a range for alloying elements, and the base element as balance. Nominal is the typical mid-range value.
| Element | Spec limit (wt %) | Nominal |
|---|---|---|
| NiNi+Co | 50 – 55 | 52.5 |
| Cr | 17 – 21 | 19 |
| NbNb+Ta | 4.75 – 5.5 | 5.1 |
| Mo | 2.8 – 3.3 | 3.05 |
| Ti | 0.75 – 1.15 | 0.95 |
| Al | 0.2 – 0.8 | 0.5 |
| Co | ≤ 1 | 0.2 |
| C | ≤ 0.08 | 0.04 |
| Mn | ≤ 0.35 | 0.1 |
| Si | ≤ 0.35 | 0.1 |
| Cu | ≤ 0.3 | 0.05 |
| P | ≤ 0.02 | 0.01 |
| S | ≤ 0.02 | 0.01 |
| B | ≤ 0.01 | 0 |
| Febalance, typically 17–20 % | balance |
What surface finishes work on ERNiFeCr-1?
Pickle or bead-blast the weld to remove Cr/Ti oxide before aging or inspection; not anodizable — electropolish or passivate for cleanliness, and consider aluminide/thermal-barrier coatings for hot-section service.
Surface treatments FabDigit runs on nickel alloy parts — pick them in the quote configurator or call them out on the drawing. Each links to its datasheet in the surface-finish library (thickness, specs, call-out, material verdicts).
Plating
Thermal Spray
Equivalent designations
Standards and trade names that resolve to Nickel Alloy ERNiFeCr-1 in FabDigit's catalog. Equivalence is nominal — check the exact specification when certification matters.
- UNS
- N07718
- ISO
- S Ni 7718
How much does ERNiFeCr-1 cost?
ERNiFeCr-1 is a high-cost nickel alloy ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
ERNiFeCr-1 — frequently asked
What is ERNiFeCr-1 used for?
ERNiFeCr-1 is typically used for gas turbine component repair, aerospace superalloy fabrication and 718 fastener/hardware welding. In short: alloy 718-matched filler; age-hardenable weld deposit; hot-section repair standard.
What is the yield strength of ERNiFeCr-1?
ERNiFeCr-1 has a typical yield strength of 540 MPa (78.3 ksi) and a tensile strength of 860 MPa (125 ksi) — stronger than 78% of nickel alloy grades. Strength varies by condition: see the 5 listed tempers.
Is ERNiFeCr-1 easy to machine?
Not especially — machinability is rated poor (25/100, better than 76% of nickel alloy grades). Machine in the solution-annealed state where possible; aged deposits at 40+ HRC need rigid setups, ceramic or coated carbide, low speed/heavy feed and flood coolant to avoid work hardening.
Can ERNiFeCr-1 be welded?
Yes — weldability is rated very good (70/100). GTAW/GMAW/laser with 100% Ar (add 2–5% He for penetration), low heat input, interpass <150 °C to limit Laves-phase segregation and HAZ liquation cracking; keep the filler clean and dry.
What surface finishes work on ERNiFeCr-1?
Pickle or bead-blast the weld to remove Cr/Ti oxide before aging or inspection; not anodizable — electropolish or passivate for cleanliness, and consider aluminide/thermal-barrier coatings for hot-section service.
Can ERNiFeCr-1 be formed, bent or molded?
Wire drawing and cold bending are done in the annealed state; cold work rapidly raises strength, so intermediate anneals are required for large deformation.
What is the maximum service temperature of ERNiFeCr-1?
ERNiFeCr-1 is rated for continuous use to about 600°C (1,112 °F). Strength falls off well before that limit — check the elevated-temperature data for load-bearing parts.
What is the difference between ERNiFeCr-1-AW and ERNiFeCr-1 STA-954?
AW is the default condition — default reported condition for the deposit: use when the joint sees only moderate stress/temperature or when PWHT is impossible. STA-954: standard aerospace weldment condition when fine grain size and best low-cycle fatigue/notch ductility are required. Yield strength is 540 MPa in AW versus 1,080 MPa in STA-954.
How much does ERNiFeCr-1 cost?
ERNiFeCr-1 is a high-cost nickel alloy ($$$$), pricier than about 78% of the materials FabDigit quotes. Part price depends far more on geometry, tolerance and quantity than on the raw stock — upload a CAD file for a live quote.
Sources
- AWS A5.14/A5.14M — Nickel and Nickel-Alloy Bare Welding Electrodes and Rods — AWS (2018)
- AMS 5832 — Nickel Alloy Welding Wire 52.5Ni-19Cr-3.0Mo-5.1Cb-0.90Ti-0.50Al-18Fe — SAE International (2021)
- AMS 5662 / AMS 5664 — Alloy 718 heat treatment and properties — SAE International (2016)
- INCONEL alloy 718 technical bulletin — Special Metals Corporation (2007)
- ASM Handbook Vol. 2 — Properties and Selection: Nonferrous Alloys and Special-Purpose Materials — ASM International (1990)
Property data is compiled from published supplier and standards handbooks and normalised for comparison; hardness values on non-Brinell scales are converted approximately for charting only. Manufacturability limits are FabDigit quote-engine defaults and may be relaxed by engineering review. Nothing on this page is a certification — request mill certs, CoC or material test reports with your order.