Inconel 82 (ERNiCr-3) Welding Wire Guide

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What is Inconel 82 (ERNiCr-3) Welding Wire Guide?

Inconel 82 (AWS ERNiCr-3) is a nickel-chromium welding wire used for GTAW and GMAW welding of Inconel 600, 601, and 690, as well as dissimilar welds between nickel alloys and steels. Excellent oxidation resistance and ductility.

What welding parameters are recommended for Inconel 82 (ERNiCr-3) Welding Wire Guide?

Parameter	GTAW	GMAW
Shielding Gas	Argon (99.995%)	Ar + 2% He or Ar + 2% CO2
Gas Flow Rate	8-15 L/min	15-25 L/min
Wire Diameter	1.6-3.2 mm	0.8-1.6 mm
Current Type	DCEN	DCEP
Welding Position	All positions	Flat / Horizontal

Where is Inconel 82 (ERNiCr-3) Welding Wire Guide used?

Inconel 82 welding wire is used in a wide range of demanding applications:

• Dissimilar Welds: Joining nickel alloys to carbon and stainless steels.
• Inconel 600/601: Welding of Inconel 600 and 601 components.
• Nuclear: Welding of nuclear reactor components.
• Petrochemical: Weld overlay on steels for corrosion protection.
• Heat Treatment: Welding of furnace components and fixtures.

Which product forms are available for Inconel 82 (ERNiCr-3) Welding Wire Guide?

Hangbo Alloy Group supplies Inconel 82 welding wire in the following forms:

• TIG Wire: Straight lengths 1000 mm, diameters 1.6 mm, 2.0 mm, 2.4 mm, 3.2 mm.
• MIG Wire: Precision-wound spools (D200, D300), diameters 0.8 mm, 1.0 mm, 1.2 mm, 1.6 mm.
• SAW Wire: Coils for submerged arc welding, diameters 2.4 mm, 3.2 mm, 4.0 mm.

Which standards cover Inconel 82 (ERNiCr-3) Welding Wire Guide?

Standard	Description
AWS A5.14	ERNiCr-3
ISO 18274	S Ni 6082
EN ISO 18274	S Ni 6082
DIN 1736	SG-NiCr20Mn3Nb

General references: Nickel Institute · AMPP · SAE International · ASTM International

Chemical Composition of ERNiCr-3 Welding Wire (wt%)

Element	Content (%)
Nickel (Ni)	67.0 min
Chromium (Cr)	18.0 – 22.0
Manganese (Mn)	2.5 – 3.5
Niobium + Tantalum (Nb+Ta)	2.0 – 3.0
Iron (Fe)	3.0 max
Titanium (Ti)	0.75 max

What are the mechanical properties of Inconel 82 (ERNiCr-3) Welding Wire Guide deposited metal?

Property	Typical Value
Tensile Strength	620 MPa (90 ksi) min
Yield Strength (0.2%)	350 MPa (51 ksi) min
Elongation	30% min
Service Temperature	up to 900°C (1650°F)

Values above are typical for as-welded Inconel 82 (ERNiCr-3) deposited metal under AWS A5.14 classification requirements. Actual results vary with welding process, heat input and shielding gas.

Why Choose Inconel 82 Welding Wire

• The industry-standard filler for dissimilar welding between nickel alloys and carbon or stainless steels.
• Manganese and niobium provide strong resistance to hot cracking and weld metal microfissuring.
• Retains oxidation resistance and creep strength at elevated temperature.
• Extensively qualified for nuclear, petrochemical and power generation service.

What are the best practices for welding Inconel 82 (ERNiCr-3) Welding Wire Guide?

Follow these practical guidelines to obtain sound, corrosion-resistant welds with this filler metal:

• Buttering the steel face is recommended when dilution is expected to exceed about 30%.
• Keep interpass temperature below 175°C (350°F); preheat only per the steel base-metal procedure.
• Use high-purity argon shielding with a gas lens; avoid excessive arc length.
• Remove oxides between passes with a dedicated stainless brush used only for nickel alloys.

How do you select the right filler wire for Inconel 82 (ERNiCr-3) Welding Wire Guide?

Inconel 82 (ERNiCr-3) is the matching filler for its base alloy and is specified for joints where its particular corrosion or high-temperature performance is required. Match the wire form and diameter to the welding process and section thickness:

• GTAW: 1.6-2.4 mm wire for root passes and thin sections; 3.2 mm for heavy fill.
• GMAW: 0.8-1.6 mm spools for high-deposition overlay and fabrication.
• SAW: 2.4-4.0 mm coils for long seams and weld overlay.

Butter the steel side when dilution is expected to exceed about 30%. Where high iron dilution and hot-cracking resistance dominate, the iron-bearing Inconel 92 (ERNiCrFe-6) is a common alternative.

Which base metals are compatible with Inconel 82 (ERNiCr-3) Welding Wire Guide?

ERNiCr-3 is the matching filler for Inconel 600, 601 and 690, and it is the long-standing standard for dissimilar welds between nickel alloys and carbon or stainless steels. With manganese and niobium present, the weld metal resists hot cracking and microfissuring even when steel dilution is significant. For base-metal guidance, see Inconel 600 oxidation resistance.

How should Inconel 82 (ERNiCr-3) Welding Wire Guide be stored, handled and certified?

Nickel-alloy filler metals are sensitive to moisture, surface contamination and trace impurities, so proper storage and handling are essential to weld integrity:

• Store spools and cut lengths in a clean, dry area and keep original packaging sealed until use to avoid condensation and humidity pickup.
• Remove oil, grease, sulphur, lead and phosphorus before welding — these impurities can cause hot cracking or embrittlement in nickel weld metal.
• Use dedicated stainless-steel wire brushes and tools reserved for nickel alloys only, to prevent iron contamination.
• For GTAW, keep the filler within the argon shield and maintain a short arc to prevent oxidation of the hot weld pool.

Hangbo Alloy Group supplies Inconel 82 (ERNiCr-3) welding wire with full EN 10204 3.1 material certificates, cast/lot traceability and chemical and mechanical test reports. Contact our sales team for batch-specific certification or technical support.

Frequently Asked Questions

Contact Us for Inconel 82

Hangbo Alloy Group supplies Inconel 82 (ERNiCr-3) welding wire with full material certifications. We ensure consistent wire quality with precise diameter control, clean surface finish, and uniform feeding performance.

For quotations, material certifications, or technical consultation, contact our sales team or call +86 13611656360.