Compatible Base Materials: Inconel 617 / Alloy 617 / UNS N06617
ERNiCrCoMo-1 is a cobalt-containing nickel alloy welding wire specifically designed for welding Inconel 617 (UNS N06617) and other heat-resistant nickel alloys.
Unlike conventional nickel alloy filler metals primarily developed for corrosion resistance or general high-temperature applications, ERNiCrCoMo-1 is engineered for extreme service environments requiring exceptional oxidation resistance, creep strength, and long-term microstructural stability.
ERNiCrCoMo-1 is widely selected for aerospace and industrial gas turbine applications where welded joints must withstand temperatures approaching 1100°C, thermal cycling, oxidizing atmospheres, and prolonged mechanical stress.
📧 You can request a quote by email support@ronsteel.com with your required specification, size and quantity.
ERNiCrCoMo-1
ERNiCrCoMo-1
ERNiCrCoMo-1
| Standard | Classification |
|---|---|
| AWS A5.14 | ERNiCrCoMo-1 |
| EN ISO 18274 | S Ni 6617 |
| UNS | N06617 |
| Trade Name | Inconel 617 |
| Alloy Designation | Alloy 617 |
| Element | C | Mn | Si | Cr | Ni | Co | Mo | Fe | Al |
| Content (%) | 0.05–0.15 | ≤1.0 | ≤1.0 | 20.0–24.0 | Balance | 10.0–15.0 | 8.0–10.0 | ≤3.0 | 0.8–1.5 |
Strict control of cobalt and molybdenum content ensures excellent weld metal stability under prolonged exposure to elevated temperatures.
| Property | Typical Value |
| Tensile Strength | ≥760 MPa |
| Yield Strength | ≥370 MPa |
| Elongation | ≥25% |
| Creep Resistance | Excellent |
| Oxidation Resistance | Up to ~1100°C |
Actual mechanical properties may vary depending on welding parameters, dilution, and base material conditions.
ERNiCrCoMo-1 is particularly suitable for the following operating conditions:
The combination of nickel, cobalt, and molybdenum provides superior strength retention at elevated temperatures and excellent resistance to creep deformation.
High chromium content enables the formation of a protective oxide layer, making ERNiCrCoMo-1 suitable for combustion and turbine environments.
The weld metal demonstrates excellent resistance to carbon-rich atmospheres commonly found in industrial furnaces and petrochemical equipment.
ERNiCrCoMo-1 maintains its mechanical integrity during prolonged exposure above 900°C, reducing the risk of thermal degradation.
Specifically matched for Inconel 617, ERNiCrCoMo-1 delivers reliable metallurgical compatibility and consistent weld performance.
Cobalt plays a critical role in improving high-temperature strength and creep resistance.
Compared with conventional nickel-chromium filler metals, the addition of cobalt helps stabilize the alloy matrix during long-term exposure to extreme temperatures, making ERNiCrCoMo-1 one of the preferred filler metals for gas turbine and aerospace-related applications.
| Category | Details |
| Base Materials | Inconel 617, Alloy 617, Heat-resistant nickel alloys |
| Aerospace Applications | Turbine components, Combustors, Transition ducts |
| Industrial Applications | Gas turbines, Heat treatment furnaces, Petrochemical equipment |
| Power Generation | High-temperature boilers, Heat exchangers |
| Functional Use | High-temperature welding, Oxidation-resistant joining, Creep-resistant welding |
| Available Forms | TIG Filler Rod (GTAW), MIG Welding Wire (GMAW) |
| Wire Diameter | Packaging Form | Net Weight per Unit | Typical Application Process |
| 1.2 mm (0.045") | Plastic Spool | 5 kg / 15 kg | MIG (GMAW) |
| 1.6 mm (1/16") | Plastic Spool | 5 kg / 15 kg | MIG (GMAW) |
| 2.0 mm | Straight Length (TIG Rod) | 5 kg / 10 kg per tube | TIG (GTAW) |
| 2.4 mm | Straight Length (TIG Rod) | 5 kg / 10 kg per tube | TIG (GTAW) |
| 3.2 mm | Straight Length (TIG Rod) | 5 kg / 10 kg per tube | TIG (GTAW) |
Additional diameters and private labeling services are available upon request.
Ø Strict Quality Control: Every batch is tested for chemical composition and mechanical properties in accordance with AWS A5.14 and ISO requirements.
Ø Traceable Raw Materials: Virgin nickel, chromium, cobalt, and molybdenum are sourced from reputable suppliers with Mill Test Certificates (MTC) available.
Ø Stable Wire Surface & Feedability: Advanced drawing and cleaning processes ensure smooth wire feeding, stable arc performance, consistent weld quality, and reliable automated welding performance.
Ø Fast Delivery & Flexible MOQ: Standard diameters are available from stock, and small orders (about 100 kg) are accepted.
1. What base metals can ERNiCrCoMo-1 weld?
ERNiCrCoMo-1 is primarily used for welding Inconel 617 (UNS N06617) and other heat-resistant nickel alloys.
2. What temperature can ERNiCrCoMo-1 withstand?
ERNiCrCoMo-1 provides reliable weld metal performance at temperatures up to approximately 1100°C.
3. What is the difference between ERNiCrCoMo-1 and ERNiCrMo-3?
ERNiCrMo-3 is designed for corrosion resistance, while ERNiCrCoMo-1 is optimized for extreme high-temperature service.
4. Is ERNiCrCoMo-1 suitable for aerospace applications?
Yes. ERNiCrCoMo-1 is suitable for high-temperature aerospace components requiring excellent oxidation resistance and thermal stability.
5. Can ERNiCrCoMo-1 be used for repair welding?
Yes. It can be used for repair welding and overlay applications involving heat-resistant components.
Contact us by email at support@ronsteel.com or submit the inquiry form below for technical datasheets, OEM service support, or customized quotations.
Our team will respond within 24 hours with professional assistance for your nickel alloy welding wire requirements.
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