Hangbo Alloy Group
Shanghai · Est. 2012
UNS N07092 / AWS A5.14 ERNiCrFe-6 / ISO 18274 SNi7092 (NiCr15Ti3Mn) — High-titanium nickel-iron welding wire engineered for Inconel/Incoloy-to-steel dissimilar joints, nickel steels, and high-temperature service from cryogenic to 980°C.
Inconel 92 — classified under AWS A5.14 as ERNiCrFe-6, ISO 18274 as SNi7092 (NiCr15Ti3Mn), and UNS N07092 — is a high-titanium nickel-chromium-iron welding filler metal. It was developed to provide high strength and corrosion resistance across an exceptionally wide temperature range, from the cryogenic region to over 980°C (1800°F), and to excel at dissimilar metal welding between nickel alloys, stainless steels, and carbon steels.
The defining feature of Inconel 92 is its high titanium content of 2.5–3.5% combined with 2.0–2.7% manganese. Titanium serves two critical roles: it gives the deposited weld metal excellent porosity resistance in field and out-of-position welding, and it forms gamma-prime (Ni₃Ti) precipitates that age-harden the joint at temperatures above ~700°C (1300°F). This precipitation-strengthening behavior allows Inconel 92 weldments to retain high strength in high-temperature furnace and petrochemical service where ordinary austenitic stainless weld deposits would soften.
Because the nickel-rich, austenitic deposit readily accommodates thermal-expansion mismatch, Inconel 92 is the filler of choice for joining Inconel and Incoloy alloys to stainless and carbon steels, joining Monel or Nickel 200 to stainless steel, welding stainless to carbon steel, and welding nickel steels such as 9% Ni steel used in LNG storage. Hangbo Alloy Group supplies Inconel 92 as TIG rods, MIG wire, SAW wire, and matching ENiCrFe-6 covered electrodes with full AWS/ASME certification.
Hangbo Alloy Group supplies Inconel 92 TIG rods, MIG wire, SAW wire, and ENiCrFe-6 / Inconel 192 covered electrodes — all with full material certification and traceability. Stock and mill orders available for dissimilar metal and high-temperature projects.
The chemical composition of Inconel 92 / ERNiCrFe-6 is controlled by AWS A5.14 to produce a weld deposit with high strength, porosity resistance, and age-hardening capability. The elevated titanium and manganese, together with 14–17% chromium, distinguish it from lower-titanium Ni-Cr-Fe fillers such as ERNiCr-3.
| Element | AWS A5.14 Range (wt%) | Typical Value | Role in the Weld Deposit |
|---|---|---|---|
| Nickel + Cobalt (Ni+Co) | ≥ 67.0 | ~70 | Austenitic matrix; corrosion resistance; crack resistance; thermal-expansion matching |
| Chromium (Cr) | 14.0 – 17.0 | 15.5 | Cr₂O₃ protective scale; oxidation and SCC resistance |
| Iron (Fe) | ≤ 8.0 | 6.5 | Cost control; thermal expansion matching with steel |
| Titanium (Ti) | 2.5 – 3.5 | 3.0 | γ'-Ni₃Ti age-hardening; porosity control; deoxidation |
| Manganese (Mn) | 2.0 – 2.7 | 2.3 | Deoxidation; improved fluidity and wetting |
| Carbon (C) | ≤ 0.08 | 0.03 | Controlled low level to preserve corrosion resistance |
| Silicon (Si) | ≤ 0.35 | 0.15 | Deoxidation; controlled to limit cracking |
| Copper (Cu) | ≤ 0.50 | 0.10 | Trace impurity limit |
| Phosphorus (P) | ≤ 0.03 | 0.010 | Impurity control for ductility |
| Sulfur (S) | ≤ 0.015 | 0.005 | Impurity control for hot cracking resistance |
| Other Elements | ≤ 0.50 | — | Total limit for unlisted residuals |
Key compositional insight: The titanium level of Inconel 92 (2.5–3.5%) is far higher than that of general-purpose ERNiCr-3 (Inconel 82, Ti ≤1.0%). This is what gives Inconel 92 its characteristic age-hardening response and superior resistance to porosity in field welds, at the cost of slightly lower chromium than the Inconel 52/690-family fillers.
Physical properties of the Inconel 92 deposit are typical of a nickel-iron-chromium-titanium alloy. Values below are typical and may vary slightly with exact composition and welding process.
| Property | Value | Notes |
|---|---|---|
| Density | ~8.2 g/cm³ | Typical for Ni-Cr-Fe-Ti filler |
| Melting Range | ~1300 – 1350 °C | Typical; depends on exact composition |
| Thermal Expansion (20–1000°C) | ~16 × 10−6 /°C | Typical; between steel and nickel-alloy values |
| Thermal Conductivity (at 20°C) | ~13 W/(m·K) | Low; requires controlled heat input |
| Electrical Resistivity | ~1.1 μΩ·m | Typical nickel-alloy value |
| Magnetic Properties | Non-magnetic (austenitic FCC deposit) | |
| Crystal Structure | Face-Centered Cubic (FCC) | |
| Property | Typical Value | AWS A5.14 Minimum |
|---|---|---|
| Tensile Strength (Rm) | 552 – 660 MPa | ≥ 552 MPa (80 ksi) |
| Yield Strength (Rp0.2) | 360 – 430 MPa | — |
| Elongation (A) | 30 – 42% | ≥ 30% |
| Hardness | 170 – 220 HV | — |
Note: The AWS A5.14 / ASME SFA-5.14 minimum is 552 MPa (80 ksi) tensile strength and 30% elongation. Some manufacturers report typical tensile values up to ~648 MPa (94 ksi) with elongation up to 42%, depending on process, heat input, and dilution. Actual values depend on welding process, heat input, shielding gas, and base-metal dilution.
When the Inconel 92 weld deposit operates above approximately 700°C (1300°F), titanium-rich gamma-prime (Ni₃Ti) precipitates form, producing an age-hardening (precipitation-strengthening) effect that raises the high-temperature strength of the joint well above that of conventional austenitic stainless weld metals. This makes Inconel 92 especially suitable for furnace components, radiant tubes, heater tubes, and petrochemical equipment operating in the 700–980°C (1300–1800°F) range. In the as-welded (room-temperature) condition the deposit is not yet age-hardened; the strengthening develops in service. The usable temperature range of the filler spans −196°C (cryogenic) to ~980°C (1800°F).
| Parameter | GTAW | GMAW | SAW |
|---|---|---|---|
| Process polarity | DCEN | DCEP | DCEP |
| Shielding gas / flux | Ar or Ar-He | 98% Ar / 2% O₂ or Ni-alloy mix | Neutral/basic Ni-alloy flux |
| Typical heat input | 0.5 – 1.5 kJ/mm | 0.8 – 1.8 kJ/mm | 1.0 – 2.0 kJ/mm |
| Interpass temperature | ≤ 150 °C (300 °F) | ||
| Preheat | Generally not required for Ni alloys / austenitic SS; 50–100°C for thick carbon steel | ||
Inconel 92 has good resistance to solidification cracking and liquation cracking due to its austenitic structure and controlled impurity levels. A particular strength is its high resistance to porosity — the high titanium and manganese content acts as a powerful deoxidizer, making the filler well suited to field welding and less-than-ideal shielding conditions. As with all nickel-base fillers, cleanliness of the joint and control of heat input help avoid hot-cracking and minimize dilution at the fusion boundary when welding dissimilar metals.
Contact Hangbo Alloy Group for certified ERNiCrFe-6 TIG rods, MIG wire, SAW wire, and ENiCrFe-6 / Inconel 192 covered electrodes. Competitive pricing, fast delivery, full mill test reports.
The 14–17% chromium content of the Inconel 92 deposit gives it good corrosion resistance in oxidizing and high-temperature environments:
Hangbo Alloy Group supplies Inconel 92 / ERNiCrFe-6 in the following product forms, manufactured to AWS A5.14 / ASME SFA-5.14 specifications:
| Product Form | Applicable Standard | Typical Size Range |
|---|---|---|
| TIG Rods / Cut Lengths | AWS A5.14 ERNiCrFe-6 | Diameter 1.0 – 3.2 mm; lengths 915 / 1000 mm |
| MIG Wire (spools) | AWS A5.14 ERNiCrFe-6 | Diameter 0.8 – 1.6 mm; spools 5 – 15 kg |
| SAW Wire | AWS A5.14 ERNiCrFe-6 | Diameter 2.0 – 4.0 mm; coils / drums |
| Covered Electrodes | AWS A5.11 ENiCrFe-6 | Diameter 2.5 – 5.0 mm (Inconel 192) |
All products are supplied with EN 10204 Type 3.1 material certificates including chemical analysis, mechanical test results, and AWS/ASME conformance declarations. Certified lots with full traceability and additional NDT are available on request.
| Standard | Description |
|---|---|
| AWS A5.14 / A5.14M | Specification for Nickel and Nickel-Alloy Bare Welding Electrodes and Rods — ERNiCrFe-6 |
| ASME SFA-5.14 / SFA-5.14M | ASME Boiler & Pressure Vessel Code equivalent |
| ASME IX | Qualification: F-No. 43 |
| UNS N07092 | Unified Numbering System designation |
| ISO 18274 | Welding consumables — solid wire and rods for fusion welding of nickel and nickel alloys — SNi7092 (NiCr15Ti3Mn) |
| BS 2901 | NA39 (UK designation) |
| AWS A5.11 / A5.11M | Specification for Nickel and Nickel-Alloy Covered Welding Electrodes — ENiCrFe-6 (Inconel 192) |
| AMS 5675 / MIL-E-21562 | Aerospace and military specifications (MIL-RN6A, MIL-EN6A) |
| Property | Inconel 92 ERNiCrFe-6 | Inconel 82 ERNiCr-3 | Inconel 52 ERNiCrFe-7 |
|---|---|---|---|
| UNS | N07092 | N06082 | N06052 |
| Nominal Cr % | 14 – 17 | 13 – 17 | 28 – 31.5 |
| Ti % | 2.5 – 3.5 | ≤ 1.0 | ≤ 1.0 |
| Mn % | 2.0 – 2.7 | 2.5 – 3.5 | ≤ 1.0 |
| Age-hardening | Yes (γ'-Ni₃Ti >700°C) | No | No |
| Base metal match | Inconel/Incoloy, dissimilar, Ni-steel | Inconel 600/601, Incoloy 800 | Inconel 690 |
| Key strength | Dissimilar welds; high-temp age-hardening; porosity resistance | General Ni-Cr-Fe joining | Nuclear PWSCC resistance |
| Primary applications | Dissimilar joints, furnace, Ni-steel | General-purpose Ni-Cr-Fe welds | Nuclear 690 welds, cladding |
Selection guide: Choose Inconel 92 when welding dissimilar combinations of nickel alloys, stainless, and carbon steels, or when the joint will operate hot enough to benefit from gamma-prime age-hardening (furnace, petrochemical, 9% Ni steel). Choose Inconel 82 for general Inconel 600/601 and Incoloy 800 fabrication. Choose Inconel 52 for Inconel 690 and maximum primary-water stress-corrosion-cracking resistance in nuclear service.
Inconel 92 is a nickel-chromium-iron-titanium welding filler metal classified as AWS A5.14 ERNiCrFe-6, ISO 18274 SNi7092 (NiCr15Ti3Mn), and UNS N07092. It is used for GTAW and GMAW welding of austenitic and ferritic steels and nickel alloys, especially for joining Inconel/Incoloy to stainless or carbon steel, joining Monel or Nickel 200 to stainless steel, joining stainless to carbon steel, and welding nickel steels. Its high titanium content provides excellent porosity resistance and enables age-hardening at high service temperatures.
AWS A5.14 limits: Ni+Co ≥67.0%, Cr 14.0-17.0%, Fe ≤8.0%, Ti 2.5-3.5%, Mn 2.0-2.7%, C ≤0.08%, Si ≤0.35%, Cu ≤0.50%, P ≤0.03%, S ≤0.015%, Other ≤0.50%. The high titanium (2.5-3.5%) and manganese (2.0-2.7%) are the defining features, providing porosity resistance and gamma-prime age-hardening.
Typical as-welded all-weld-metal properties: tensile strength 552-660 MPa, yield strength 360-430 MPa, elongation 30-42%, hardness 170-220 HV. The AWS A5.14 / ASME minimum is 552 MPa (80 ksi) tensile and 30% elongation. The deposit is fully austenitic, non-magnetic, and highly ductile.
AWS A5.14 / A5.14M ERNiCrFe-6, ASME SFA-5.14 / SFA-5.14M, ASME IX F-No. 43, UNS N07092, ISO 18274 SNi7092 (NiCr15Ti3Mn), BS 2901 NA39, AMS 5675, MIL-E-21562, and the matching covered electrode AWS A5.11 ENiCrFe-6 (Inconel 192).
Inconel 92 is used as solid wire/rod for GTAW (TIG), GMAW (MIG), and SAW (submerged arc), and as covered electrodes (ENiCrFe-6 / Inconel 192) for shielded metal arc welding. Shielding gases for GTAW/GMAW are typically argon or argon-helium mixtures; GMAW commonly uses pulsed-spray transfer with 98% Ar / 2% O₂.
Primary applications include dissimilar metal welds between Inconel/Incoloy and stainless or carbon steels, Monel or Nickel 200 to stainless steel, stainless to carbon steel, 9% Ni steel (LNG) welding, and high-temperature furnace, heat-exchanger, and petrochemical components operating from cryogenic temperatures up to about 980°C (1800°F).
Inconel 92 (ERNiCrFe-6) contains significantly more titanium (2.5-3.5%) and manganese (2.0-2.7%) than Inconel 82 (ERNiCr-3), which has Ti ≤1.0%. Inconel 92 is engineered for dissimilar metal welding and high-temperature age-hardening service, whereas Inconel 82 is the general-purpose Ni-Cr-Fe filler for Inconel 600/601 and Incoloy 800. Inconel 92's higher titanium gives better porosity resistance in field welds and superior high-temperature strength.
Yes. The 2.5-3.5% titanium forms gamma-prime (Ni₃Ti) precipitates when the joint operates above about 700°C (1300°F). This age-hardening effect raises the high-temperature strength well above that of ordinary austenitic stainless weld deposits, making Inconel 92 ideal for furnace, heater, and petrochemical service. The effect is not present in the as-welded (room-temperature) condition.
For GTAW, use DCEN polarity with argon shielding and heat input 0.5-1.5 kJ/mm. For GMAW, use pulsed-spray transfer with 98% Ar/2% O₂ or a nickel-alloy shielding gas and heat input 0.8-1.8 kJ/mm. For SAW, use neutral/basic nickel-alloy flux and heat input 1.0-2.0 kJ/mm. Interpass temperature should be kept below 150°C. No preheat is required for nickel alloys or austenitic stainless steels.
Hangbo Alloy supplies Inconel 92 as TIG rods (1.0-3.2 mm, 915/1000 mm lengths), MIG wire on spools (0.8-1.6 mm), SAW wire (2.0-4.0 mm), and covered electrodes ENiCrFe-6 / Inconel 192 (2.5-5.0 mm). All forms can be supplied with AWS/ASME certification and full traceability.
Inconel 92 is a high-performance specialty filler. Typical pricing is $50-100/kg depending on product form, diameter, certification level, and current raw-material markets. Lead times range from 3-7 weeks for standard sizes and 6-12 weeks for certified lots with full traceability. Contact serena@hangboalloy.com for a competitive quote.
Yes. The 14-17% chromium gives Inconel 92 good oxidation and corrosion resistance in high-temperature air, combustion gases, and sulfur-containing atmospheres up to ~980°C (1800°F), plus good behavior from cryogenic to ambient aqueous service. For strongly reducing hydrochloric or sulfuric acids, Hastelloy C-276 or C-22 fillers are preferred.
Yes — dissimilar metal welding is one of Inconel 92's primary purposes. Its nickel-rich austenitic deposit accommodates thermal expansion differences between nickel alloys, stainless steels, and carbon steels, providing a crack-resistant transition layer. Typical uses include Inconel/Incoloy-to-stainless and -to-carbon-steel joints, Monel or Nickel 200 to stainless steel, stainless-to-carbon-steel joints, and 9% nickel steel welding. The high titanium content also minimizes porosity in field welds.
The matching covered (SMAW) electrode is classified AWS A5.11 ENiCrFe-6, commercially known as Inconel Welding Electrode 192. It shares the same UNS N07092 base chemistry and is used for shielded metal arc welding, repair, and field/out-of-position work. For new construction, the bare wire/rod (ERNiCrFe-6) is generally used for GTAW, GMAW, and SAW, with ENiCrFe-6 electrodes used for the root or for manual repair passes.
