ERNiCrCo-4 Product Description: Introducing the premium ERNiCrCo-4 Welding Rod, the ultimate solution tailored for high-performance and demanding welding tasks. This welding rod stands out in its class, engineered to meet and exceed the most stringent industry standards.
Material Type: Nickel-Chromium-Cobalt-Molybdenum Superalloy - A robust and durable alloy composition that ensures superior performance in challenging environments.
AWS Specification: Compliant with AWS A5.14 - This welding rod adheres to the highest industry specification, ensuring reliability and consistency in every application.
Key Characteristics: Explore the defining attributes of the ERNiCrCo-4 that make it an indispensable choice for professionals seeking excellence in their welding operations.
1. Chemical Composition (Typical): This section highlights the meticulously balanced chemical components that contribute to the rod's exceptional performance.
Nickel (Ni): Base element (≥50%) - The foundational backbone of the alloy, providing high corrosion resistance and durability.
Chromium (Cr): 20-23% - Enhances the alloy's oxidation resistance, ensuring longevity even under harsh conditions.
Cobalt (Co): 10-15% - Known for improving high-temperature stability, making the rod resilient against thermal stresses.
Molybdenum (Mo): 8-10% - Adds to the alloy's ability to resist localized corrosion, ensuring consistent performance.
Iron (Fe): ≤5% - Ensures structural integrity while maintaining the alloy's lightweight profile.
Resists pitting, crevice corrosion, and stress corrosion cracking (SCC) in acidic, alkaline, and chloride-rich environments (e.g., marine, chemical processing). This makes it a versatile choice for diverse industries.
Mechanical Strength: Designed for high tensile strength (≥750 MPa) and excellent creep resistance, this alloy thrives under prolonged high-temperature stress, ensuring reliability.
High tensile strength (≥750 MPa) and creep resistance under prolonged high-temperature stress, making it suitable for the most demanding applications.
Weldability: The ERNiCrCo-4 Welding Rod is seamlessly compatible with various welding processes, offering remarkable versatility to welders.
Compatible with GTAW (TIG), GMAW (MIG), and SMAW processes, providing flexibility across different welding techniques.
Minimal post-weld cracking due to low carbon content, ensuring a smooth and defect-free finish.
Product Forms & Specifications: Explore the diverse range of forms and specifications tailored to suit various industrial needs.
Available Forms: A comprehensive selection ensures that the ERNiCrCo-4 welding rod can meet any specific project requirements.
Welding consumables: Available in wire (0.8-4.0 mm diameter) and electrodes, catering to a variety of welding preferences.
Mill products: Includes round bars, sheets, plates, and coils, providing extensive options for fabrication.
Standards: Adheres to ASTM B574, AMS 5826 (if applicable), ensuring compliance with recognized industry benchmarks.
Packaging: Secure sealed moisture-proof packaging for welding wires; standard crating for bulk materials, ensuring product integrity upon delivery.
Applications: Discover the extensive range of industrial applications where the ERNiCrCo-4 excels.
Aerospace: Ideal for combustion chambers, turbine blades, and exhaust systems, where durability is key.
Energy: Suitable for *** core components and heat exchangers, critical for energy sector applications.
Oil & Gas: Perfect for downhole tools, valves, and piping in sour gas environments, ensuring safety and performance.
Chemical Processing: Used in reactors, scrubbers, and piping for handling aggressive substances like sulfuric acid, hydrochloric acid, and seawater.
Processing & Fabrication: Optimize your fabrication process by understanding the ideal conditions for working with ERNiCrCo-4.
Machining: Utilize carbide tools with low cutting speeds and ample coolant for optimal results.
Heat Treatment: Solution annealing at 1120-1175°C followed by rapid quenching ensures the desired mechanical properties.
Welding Notes: Important considerations to ensure perfect welds with ERNiCrCo-4.
Preheat unnecessary for thin sections, simplifying the welding process.
Post-weld heat treatment (PWHT) optional for critical applications, offering flexibility based on project needs.
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Notes: Essential insights to maximize the effectiveness of the ERNiCrCo-4 Welding Rod.
1. Cobalt (Co) Role: Enhances high-temperature strength and minimizes thermal expansion, making ERNiCrCo-4 perfect for ultra-high-temperature environments.
2. Verification Required: Always confirm the exact composition and certification (e.g., EN, UNS, or proprietary grades) with suppliers to ensure compliance.
3. Alternatives: Should ERNiCrCo-4 be unavailable, consider ERNiCrMo-4 (AWS A5.14 ERNiCrMo-4) or Inconel 617 (Ni-Cr-Co-Mo) 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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