ERNiCrMo-3 Nickel Alloy Welding Wire
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a masterfully engineered nickel-chromium-molybdenum alloy, refined with precision-controlled elements to guarantee unparalleled performance:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Contains minimal traces of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%), significantly reducing the risk of potential cracks.
2. Mechanical Properties
- Tensile Strength: ≥760 MPa, offering robust durability.
- Yield Strength: ≥420 MPa, ensuring formidable resistance under stress.
- Elongation: ≥27%, providing excellent ductility.
- Impact Toughness: Exhibits outstanding ability to resist fatigue and stress corrosion cracking, perfectly suited for conditions ranging from cryogenic to elevated temperatures.
3. Physical Properties
- Density: 8.4 g/cm³, a testament to its solid, compact structure.
- Melting Range: 1290-1350°C, showcasing its high-temperature endurance.
- Structure: Features a face-centered cubic lattice that transitions to stable Ni3(Nb,Ti) phases after undergoing heat treatment at approximately 650°C.
4. Key Features
- Corrosion Resistance: Offers exceptional defense against pitting, crevice corrosion, and stress corrosion cracking, even in challenging chloride, acidic, and marine settings.
- High-Temperature Stability: Retains its strength and resists oxidation impressively up to 1800°F (982°C).
- Versatility: Ideal for welding dissimilar metals, such as carbon steel to nickel alloys, and is perfect for surface cladding applications.
5. Welding Process Compatibility
- Methods: Seamlessly integrates with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding processes.
- Shielding Gas: Utilizes argon or argon-helium mixtures for TIG/MIG, while INCOFLUX 7 flux is recommended for SAW.
- Wire Diameters: Available in diameters ranging from 0.8 to 3.2 mm, with options for spooled or straight rods.
6. Applications
- Industries: Perfectly suited for aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) industries.
- Materials Welded: Capable of welding INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations like nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Meets the stringent criteria of AWS A5.14, ASME SFA-5.14, and UNS N06625 standards.
- Certifications: Proudly certified by ABS, NADCAP, and ISO 18274, ensuring reliability for critical industries.
8. Handling & Storage
- Moisture Control: For optimal performance, ensure storage in dry, well-ventilated environments. The copper-coated variants are specially designed to enhance conductivity, making them ideal for precision tasks.
- Pre-Weld Prep: Thoroughly clean surfaces to remove oil, rust, and moisture. Employ low heat input strategies to maintain the integrity of materials and prevent embrittlement, ensuring a flawless weld.
9. Packaging & Availability
- Packaging: Available in user-friendly spools ranging from 5-15 kg or as straight rods, catering to diverse project needs.
- Lead Time: With an efficient logistics system, expect shipping within 3-15 days, contingent on order volume, ensuring timely project completion.
Summary: ERNiCrMo-3 is an elite choice for welding wire, meticulously crafted for challenging environments. It synergizes excellent mechanical strength, superior corrosion resistance, and versatile application across multiple industries.
Product Description
| 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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