Inconel 117 (ERNiCrCoMo-1) Welding Wire Guide

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What is Inconel 117 (ERNiCrCoMo-1) Welding Wire Guide?

Inconel 117 (AWS ERNiCrCoMo-1) is a nickel-chromium-cobalt-molybdenum welding wire for welding Inconel 617. Provides exceptional high-temperature strength and oxidation resistance up to 1200°C, making it ideal for gas turbine and furnace applications.

What welding parameters are recommended for Inconel 117 (ERNiCrCoMo-1) 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 117 (ERNiCrCoMo-1) Welding Wire Guide used?

Inconel 117 welding wire is used in a wide range of demanding applications:

• Inconel 617: Welding of Inconel 617 components.
• Gas Turbines: Welding of combustion chamber components.
• Furnace Components: Welding of high-temperature furnace equipment.
• Nuclear: Welding of high-temperature gas-cooled reactor parts.
• Power Generation: Welding of advanced power plant components.

Which product forms are available for Inconel 117 (ERNiCrCoMo-1) Welding Wire Guide?

Hangbo Alloy Group supplies Inconel 117 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 117 (ERNiCrCoMo-1) Welding Wire Guide?

Standard	Description
AWS A5.14	ERNiCrCoMo-1
ISO 18274	S Ni 6617
EN ISO 18274	S Ni 6617
ASME SFA-5.14	ERNiCrCoMo-1

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

Chemical Composition of ERNiCrCoMo-1 Welding Wire (wt%)

Element	Content (%)
Nickel (Ni)	44.5 min
Chromium (Cr)	20.0 – 24.0
Cobalt (Co)	10.0 – 15.0
Molybdenum (Mo)	8.0 – 10.0
Aluminium (Al)	0.80 – 1.50
Iron (Fe)	3.0 max

What are the mechanical properties of Inconel 117 (ERNiCrCoMo-1) Welding Wire Guide deposited metal?

Property	Typical Value
Tensile Strength	700 MPa (102 ksi) min
Yield Strength (0.2%)	350 MPa (51 ksi) min
Elongation	30% min
Service Temperature	up to 1100°C (2010°F)

Values above are typical for as-welded Inconel 617 (ERNiCrCoMo-1) deposited metal under AWS A5.14 classification requirements. Actual results vary with welding process, heat input and shielding gas.

Why Choose Inconel 617 Welding Wire

• Cobalt and molybdenum solid-solution strengthening deliver excellent creep-rupture strength above 800°C.
• High chromium plus aluminium form a protective oxide scale, giving outstanding oxidation and carburisation resistance to 1100°C.
• Retains metallurgical stability and ductility after long-term thermal exposure.
• Widely qualified for advanced ultra-supercritical (A-USC) power plant and gas turbine hot-section components.

What are the best practices for welding Inconel 117 (ERNiCrCoMo-1) Welding Wire Guide?

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

• Preheat is generally not required, but heavy sections benefit from 100–150°C to remove moisture.
• Maintain interpass temperature below 200°C (390°F) to limit grain growth in the HAZ.
• Use argon shielding with a trailing shield; the aluminium content makes the puddle sensitive to oxidation.
• For thick sections, use a controlled low heat input (0.8 – 1.8 kJ/mm) and multi-pass stringer technique.

How do you select the right filler wire for Inconel 117 (ERNiCrCoMo-1) Welding Wire Guide?

Inconel 117 (ERNiCrCoMo-1) 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 cut lengths for thin-wall tubing, transition ducts and root passes; 3.2 mm for heavy sections.
• GMAW: 0.8-1.6 mm spools for high-deposition welding of combustion hardware and furnace components.
• SAW: 2.4-4.0 mm coils for thick-section fabrication of advanced ultra-supercritical boiler components.

Because the weld metal contains aluminium, use argon shielding with a trailing shield and a short arc. For lower-temperature hot-section work, Hastelloy X is a frequently compared alternative.

Which base metals are compatible with Inconel 117 (ERNiCrCoMo-1) Welding Wire Guide?

ERNiCrCoMo-1 is the matching filler for Inconel 617 and is also used for dissimilar joints between nickel alloys and heat-resistant steels where high-temperature creep strength is required. Typical pairings include Inconel 617 to itself and to austenitic stainless steels in gas-turbine transition ducts and A-USC boiler tubing. For lower-temperature furnace hardware, Inconel 601 is a related oxidation-resistant option.

How should Inconel 117 (ERNiCrCoMo-1) 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 use a trailing shield — the aluminium content makes the puddle sensitive to oxidation.

Hangbo Alloy Group supplies Inconel 117 (ERNiCrCoMo-1) 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 117

Hangbo Alloy Group supplies Inconel 117 (ERNiCrCoMo-1) 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.