AWS Class ERNiFeCr-1 MIG & TIG
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ERNiFeCr-1 Welding Wire - Filler Metal 65 TIG and MIG Wire Supplier in India
Nicorex Alloys is a Mumbai–based stockist and supplier of ERNiFeCr-1 welding wire, certified to ISO 9001 and ISO 14001. We provide ERNiFeCr-1 welding wire according to AWS A5.14 and ASME SFA A5.14 standards.
Incoloy 825 weld metal contains 1.5-3.0% copper and 2.5-3.5% molybdenum. ERNiFeCr-1, also called Incoloy Filler Metal 65 or Alloy 65, is the correct matching TIG and MIG filler wire and is classified under AWS A5.14 / ASME SFA-5.14 (UNS N08065). According to AWS A5.14, ERNiFeCr-1 weld metal must achieve at least 550 MPa (80 ksi) tensile strength, 241 MPa (35 ksi) yield strength and 25% elongation. Titanium (0.6-1.2%) and niobium (0.50-2.50%) tie up carbon and help prevent intergranular corrosion. This wire can be used in all welding positions with DCEN for TIG or DCEP for MIG, using 100% argon shielding gas and keeping the interpass temperature below 150°C (300°F). Thanks to its specific copper and molybdenum content, Incoloy 825 is widely used in sulphuric and phosphoric acid plants and in sour gas systems where high corrosion resistance is required.
We stock TIG welding rods in diameters from 1.6 mm to 3.2 mm and MIG welding wire from 0.8 mm to 1.6 mm. They are ready for fast shipment across India and to international locations. Major industries that utilise Incoloy 825 are chemical, oil and gas, fertiliser, nuclear, marine and pollution control industries. Every order is supplied with EN 10204/3.1B mill test certificates for full material traceability.
ERNiFeCr-1 Filler Wire Specifications
ERNiFeCr-1 is a strong nickel-iron-chromium welding wire used to make welds that resist corrosion and work well at high temperatures in many welding processes.
| AWS Classification | ERNiFeCr-1 per AWS A5.14 |
|---|---|
| UNS Number | N08065 |
| Welding Processes | GTAW (TIG), GMAW (MIG), SAW, PAW |
| Polarity | DCEN (GTAW), DCEP (GMAW) |
| Positions | All positions (F, H, V-up, V-down, OH) |
| Shielding Gas | GTAW: 100% Argon | GMAW: 100% Argon or Ar + up to 25% He |
| TIG Rod Diameters | 1.6, 2.0, 2.4, 3.2 mm |
| MIG Wire Diameters | 0.8, 0.9, 1.0, 1.2, 1.6 mm |
| TIG Rod Length | 1000 mm |
| Spool Sizes | D200 (12.5 kg), D300 (15 kg) |
What Does ERNiFeCr-1 Mean? AWS Classification Breakdown
The ERNiFeCr-1 designation follows the AWS A5.14 naming convention.
| Designation | Meaning |
|---|---|
| ER | Electrode or Rod (bare filler for GTAW/GMAW/SAW) |
| Ni | Nickel: primary element |
| Fe | Iron (22% min) |
| Cr | Chromium (19.5–23.5%) |
| 1 | First alloy in the NiFeCr family |
ERNiFeCr-1 adds 1.5-3.0% Cu and 2.5-3.5% Mo for Incoloy 825 in acid service.
ERNiFeCr-1 Weld Deposit Chemical Composition
Weld deposit chemistry per AWS A5.14 is given in the table below. Copper in the 1.5-3.0% range is the key difference that sets this alloy apart.
| Element | Nickel (Ni) | Chromium (Cr) | Iron (Fe) | Molybdenum (Mo) | Copper (Cu) | Titanium (Ti) | Niobium (Nb) | Carbon (C) | Manganese (Mn) | Silicon (Si) | Aluminium (Al) | Phosphorus (P) | Sulphur (S) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AWS A5.14 (wt%) | 38.0–46.0 (incl. Co) | 19.5–23.5 | 22.0 min (balance) | 2.5–3.5 | 1.5–3.0 | 0.6–1.2 | 0.50–2.50 | 0.05 max | 1.0 max | 0.50 max | 0.20 max | 0.03 max | 0.015 max |
ERNiFeCr-1 All-Weld-Metal Mechanical Properties
All-weld-metal properties per AWS A5.14 in the as-welded condition are given below.
| Property | Tensile Strength (min) | Yield Strength, 0.2% Offset (min) | Elongation (min) | Hardness (typical, as-welded) |
|---|---|---|---|---|
| Value | 550 MPa (80,000 psi) | 241 MPa (35,000 psi) | 25% | 140–200 HB |
ERNiFeCr-1 Base Metal Compatibility and P-Number Matrix
ERNiFeCr-1 is primarily for similar joints (825 to 825) and overlay where matching chemistry matters.
| Joint Combination | P-Number Pairing | Recommended Filler |
|---|---|---|
| Incoloy 825 to Incoloy 825 | P-45 to P-45 | ERNiFeCr-1 (F-45) |
| Incoloy 825 to Alloy 020 | P-45 to P-45 | ERNiFeCr-1 (F-45) |
| Incoloy 825 to Carbon Steel | P-45 to P-1 | ERNiCrMo-3 preferred; buffer layer with ERNiFeCr-1 |
| Incoloy 825 to Low-Alloy Steel | P-45 to P-3/P-4/P-5A | ERNiCrMo-3 preferred |
| Incoloy 825 to Austenitic SS | P-45 to P-8 | ERNiFeCr-1 or ERNiCrMo-3 |
| Incoloy 825 to Inconel 600/625 | P-45 to P-43 | ERNiCrMo-3 or ERNiFeCr-1 |
| Incoloy 825 to Monel 400 | P-45 to P-42 | ERNiCrMo-3 or ERNiCu-7 |
ERNiFeCr-1 Recommended Welding Parameters
The following information recommends welding parameters for ERNiFeCr-1 filler wire in GTAW (TIG) and GMAW (MIG) processes.
GTAW (TIG) – Polarity: DCEN
| Wire Dia. (mm) | Amps (A) | Volts (V) | Shielding Gas |
|---|---|---|---|
| 1.6 | 60–90 | 10–12 | 100% Ar at 10–12 L/min |
| 2.4 | 90–140 | 11–14 | 100% Ar at 12–15 L/min |
| 3.2 | 130–180 | 12–15 | 100% Ar at 12–15 L/min |
GMAW (MIG) – Polarity: DCEP
| Wire Dia. (mm) | Amps (A) | Volts (V) | Shielding Gas |
|---|---|---|---|
| 0.9 | 80–120 | 18–22 | Ar or Ar/He blend |
| 1.0 | 100–150 | 19–23 | Ar or Ar/He blend |
| 1.2 | 120–200 | 20–26 | Ar or Ar/He blend |
Use stringer beads to minimise heat input. Clean each pass with stainless steel brushes only.
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ERNiFeCr-1 Filler Metal 65 in Industrial Welding Applications
ERNiFeCr-1 filler metal is used in corrosive chemical processing environments to produce strong, corrosion-resistant welds on critical equipment in demanding industries.
- Chemical processing: ERNiFeCr-1 filler metal is used to weld Incoloy 825 equipment, such as acid concentrators, heat exchangers, and reactor vessels for service in aggressive chemical environments.
- Fertiliser manufacturing: The alloy is applied in evaporators and piping systems in phosphoric acid plants.
- Oil and gas: ERNiFeCr-1 welds downhole tubulars and process piping used in sour service that must meet NACE MR0175 / ISO 15156 standards.
- Nuclear fuel reprocessing: The filler metal is used in fuel dissolvers and related equipment that handle nitric acid and mixed radioactive waste in nuclear facilities.
- Pickling equipment: It is used for welding tanks, heating coils and baskets in mixed-acid pickling operations in metal finishing plants.
- Marine and offshore systems: ERNiFeCr-1 suits seawater-cooled heat exchangers and offshore process equipment needing resistance to both chlorides and acidic conditions.
- Pollution control equipment: The alloy is used in flue gas desulfurisation (FGD) liners, ductwork and absorber vessels in corrosive gas-scrubbing environments.
- Pulp and paper industry: It is used for welding acid digesters and bleach plant piping where corrosion resistance to acidic process chemicals is critical.
- Overlay and cladding: ERNiFeCr-1 is widely used for weld overlay on carbon steel equipment when a corrosion-resistant surface matching the chemistry of Incoloy 825 is required.
ERNiFeCr-1 Wire Storage and Handling
- Store TIG rods and MIG spools in original sealed packaging in clean, dry conditions at 15-25°C
- No heated oven storage is required (bare wire, not coated electrode)
- Keep the wire surface free from oil, grease, shop dust and carbon steel contamination.
- Carbon steel contamination on nickel alloy wire causes pitting corrosion in service; use dedicated stainless/nickel-only storage and handling equipment
- If the wire surface is contaminated, wipe with acetone or isopropyl alcohol before use.
- Partially used MIG spools should be resealed in poly bags.
- TIG rods are shipped in sealed tubes; do not remove until ready to use.
ERNiFeCr-1 Welding Filler Wire Available Forms and Packaging
Below are the available forms, diameters and packaging options for ERNiFeCr-1 welding wire, including TIG rods, MIG spools and SAW wire.
| Form | Diameter | Packaging |
|---|---|---|
| TIG Filler Rod | 1.6, 2.0, 2.4, 3.2 mm | 5 kg sealed tubes (1000 mm length) |
| MIG Wire Spool | 0.8, 0.9, 1.0, 1.2, 1.6 mm | D200 (12.5 kg), D300 (15 kg) |
| SAW Wire | 2.4, 3.2 mm | 25 kg coils |
How to Order ERNiFeCr-1 Incoloy 825 Welding Wire from Nicorex Alloys
Provide these details in your quotation to place an order for ERNiFeCr-1 Incoloy 825 welding wire from Nicorex Alloys:
- AWS Classification - ERNiFeCr-1 per AWS A5.14
- Product Form - TIG Rod or MIG Spool
- Diameter - mm
- Quantity - In kg
- Spool size preference
- Third-party approvals needed (DNV, BV, LR, ABS)
- NACE MR0175 compliance requirement (specify if sour service)
- MTC 3.1 per EN 10204 supplied as standard
- Delivery address and timeline
Frequently Asked Questions
What is the price of ERNiFeCr-1 welding wire per Kg in India?
ERNiFeCr-1 wire in India usually costs ₹5,000–₹12,000 per kg, depending on size, order quantity and approvals. Contact Nicorex Alloys for an exact quote.
Can ERNiCrMo-3 (Inconel 625) be used instead of ERNiFeCr-1 for welding Incoloy 825?
ERNiCrMo-3 can be used instead of ERNiFeCr-1, but it has only 0.50% copper, not 1.5-3.0%. In reducing acids, ERNiFeCr-1’s higher copper gives better corrosion resistance than ERNiCrMo-3.
What is the maximum interpass temperature when welding Incoloy 825 with ERNiFeCr-1?
Keep interpass below 150°C (300°F). Higher heat causes carbides and reduces corrosion resistance.
Is a buffer layer needed when using ERNiFeCr-1 for overlay on carbon steel?
The first weld layer mixes with 20-40% iron from the base metal, lowering copper and molybdenum too much. So, a buffer layer of ERNiCr-3 or ERNi-1 is usually applied first.
What TIG rod and MIG spool sizes does Nicorex Alloys stock for ERNiFeCr-1?
TIG rods are available in 1.6, 2.0, 2.4 and 3.2 mm, supplied in 5 kg tubes (1000 mm length). MIG wire comes in 0.8-1.6 mm on D200 (12.5 kg) and D300 (15 kg) spools with EN 10204 3.1 MTC.
What is the difference between ERNiFeCr-1 and ERNiFeCr-2 welding wire?
ERNiFeCr-1 (Filler Metal 65) matches Incoloy 825 with added copper and molybdenum for acid resistance. ERNiFeCr-2 suits Incoloy 800/800H and has no copper.