| Customization: | Available |
|---|---|
| Type: | Rolling Wire |
| Material: | Nickel / Nickel Alloy |
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ERNiCrCo-4 Product Description
Material Type: Nickel-Chromium-Cobalt-Molybdenum Superalloy
AWS Specification: AWS A5.14
Key Characteristics
1. Chemical Composition (Typical):
Nickel (Ni): The foundational element, comprising a robust ≥50% of the composition, ensuring exceptional durability.
Chromium (Cr): Ranges between 20-23%, significantly boosting oxidation resistance to maintain integrity in harsh environments.
Cobalt (Co): Present at 10-15%, it fortifies the material's stability under extreme temperatures, safeguarding performance.
Molybdenum (Mo): Constitutes 8-10%, providing formidable resistance to localized corrosion, enhancing longevity.
Iron (Fe): Maintained at a maximum of ≤5% to ensure optimal alloy performance.
Excels in withstanding pitting, crevice corrosion, and stress corrosion cracking (SCC), even in hostile acidic, alkaline, and chloride-rich settings often found in marine and chemical processing environments.
Mechanical Strength:
Exhibits remarkable high tensile strength (≥750 MPa) and enduring creep resistance, ensuring reliable performance under sustained high-temperature stress.
Weldability:
Adaptable for use with GTAW (TIG), GMAW (MIG), and SMAW welding processes, providing versatility across various applications.
Minimizes post-weld cracking thanks to its low carbon content, facilitating smoother project completion.
Product Forms & Specifications
Available Forms:
Welding consumables: Offered as wire ranging from 0.8-4.0 mm in diameter, as well as electrodes for diverse welding needs.
Mill products: Available in versatile forms such as round bars, sheets, plates, and coils to meet specific project requirements.
Standards: Compliant with ASTM B574 and AMS 5826 standards, where applicable, ensuring quality and reliability.
Packaging: Comes in sealed moisture-proof packaging for welding wires to maintain integrity; standard crating provided for bulk materials.
Applications
Aerospace: Perfect for combustion chambers, turbine blades, and exhaust systems, where performance is critical.
Energy: Ideal for *** core components and heat exchangers, supporting critical energy infrastructure.
Oil & Gas: Suited for downhole tools, valves, and piping, particularly in challenging sour gas environments.
Chemical Processing: Excellent for reactors, scrubbers, and piping that handle aggressive substances like sulfuric acid, hydrochloric acid, and seawater.
Processing & Fabrication
Machining: Employ carbide tools at low cutting speeds with ample coolant to achieve optimal results.
Heat Treatment: Solution annealing between 1120-1175°C followed by rapid quenching to achieve desired properties.
Welding Notes:
Preheat is unnecessary for thin sections, simplifying the welding process.
Post-weld heat treatment (PWHT) can be applied optionally for critical applications to enhance performance.
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Notes
1. Cobalt (Co) Role: Cobalt enhances high-temperature strength and reduces thermal expansion, making ERNiCrCo-4 suitable for ultra-high-temperature environments.
2. Verification Required: Confirm the exact composition and certification (e.g., EN, UNS, or proprietary grades) with suppliers to ensure compliance and suitability.
3. Alternatives: If unavailable, ERNiCrMo-4 (AWS A5.14 ERNiCrMo-4) or Inconel 617 (Ni-Cr-Co-Mo) may serve as suitable substitutes.
| AWS A5.4 | ERNi-1 | ERNiCu-7 | ERNiCr-3 | ERNiCrFe-5 | ERNiCrMo-3 | ERNiCrMo-4 | ERNiCrMo-7 |
| TS(N/mm2) | 460 | 541 | 671 | 560 | 790 | 729 | 780 |
| EL(%) | 30 | 39 | 39 | 30 | 43 | 33 | 35 |
| C | 0.02 | 0.02 | 0.03 | 0.03 | 0.0037 | 0.002 | 0.05 |
| Mn | 0.3 | 1.7 | 3.05 | 1 | 0.03 | 0.12 | 0.6 |
| Si | 0.16 | 0.44 | 0.37 | 0.04 | 0.029 | 0.07 | 0.02 |
| P | 0.0012 | 0.007 | / | 0.004 | 0.003 | 0.003 | 0.003 |
| Ti | 2.3 | / | 0.01 | / | 0.088 | / | / |
| S | 0.005 | 0.008 | / | 0.002 | 0.001 | 0.0015 | |
| Cr | / | / | 19.86 | 15.7 | 21.95 | 15.9 | 16.7 |
| Ni | 96.5 | 65.68 | 72.8 | 75.06 | 64.65 | REM | REM |
| Cu | / | REM | 0.06 | 0.03 | 0.009 | 0.008 | / |
| Mo | / | / | / | 0.03 | 9.04 | 15.9 | 15.8 |
| Nb | / | / | 2.4 | 2.3 | 3.61 | / | / |
| V | / | / | / | / | / | 0.01 | / |
| Fe | / | 0.7 | 0.23 | 7.9 | 0.19 | 4.12 | 2.2 |
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