ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a nickel-chromium-molybdenum alloy with precise elemental control to ensure high performance:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Low iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to minimize cracking risks
-
| Element |
content (wt%) |
| Nickel (Ni) |
≥58.0 |
| Chromium (Cr) |
20.0-23.0 |
| Iron (Fe) |
≤ 5.00 |
| Manganese (Mn) |
≤ 5.00 |
| Silicon (Si) |
≤ 0.50 |
| Carbon (C) |
≤ 0.10 |
| Copper (Cu) |
≤ 0.50 |
| Molybdenum (Mo) |
8.0-10.0 |
| Aluminum (Al) |
≤ 0.4 |
| Titanium (Ti) |
≤ 0.4 |
2. Mechanical Properties
- Tensile Strength: ≥760 MPa .
- Yield Strength: ≥420 MPa .
- Elongation: ≥27%
- Impact Toughness: High resistance to fatigue and stress corrosion cracking, suitable for cryogenic to high-temperature applications.
3. Physical Properties
- Density: 8.4 g/cm³ .
- Melting Range: 1290-1350°C .
- Structure: Face-centered cubic lattice, transitioning to stable Ni3(Nb,Ti) phases after heat treatment at ~650°C.
4. Key Features
- Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride, acidic, and marine environments .
- High-Temperature Stability: Maintains strength and oxidation resistance up to 1800°F (982°C) .
- Versatility: Suitable for welding dissimilar metals (e.g., carbon steel to nickel alloys) and surface cladding .
5. Welding Process Compatibility
- Methods: Compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding
- Shielding Gas: Argon or argon-helium mixtures for TIG/MIG; INCOFLUX 7 flux recommended for SAW .
- Wire Diameters: 0.8-3.2 mm (spooled or straight rods).
6. Applications
- Industries: Aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) .
- Materials Welded: INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and dissimilar combinations (e.g., nickel alloys to stainless steel) .
7. Standards & Certifications
- AWS/ASME: Compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 .
- Certifications: ABS, NADCAP, and ISO 18274 for critical industries.
8. Handling & Storage
- Moisture Control: Ensure your Inconel 625 Welding Wire is stored under meticulously controlled dry conditions, where the copper-coated variants enhance conductivity, guaranteeing optimal performance.
- Pre-Weld Prep: For impeccable results, meticulously clean all surfaces of oil, rust, and moisture. Employ a low heat input strategy to effectively prevent embrittlement and ensure weld integrity.
9. Packaging & Availability
- Packaging: Available in versatile packaging options with spools ranging from 5 to 15 kg or as straight rods, designed for seamless integration into any production workflow.
- Lead Time: Our Inconel 625 Welding Wire typically ships with remarkable efficiency within 3-15 days, tailored to the order's quantity and ensuring timely project execution.
Summary: ERNiCrMo-3 is an elite welding wire engineered for extreme environments, offering a fusion of robust mechanical integrity, superior corrosion resistance, and unparalleled adaptability across diverse industries.
Our advantages
1. Technological leadership: Pioneering breakthroughs in patented formulas and innovative processes
Exclusive alloy formula: Holding a prestigious Dutch invention patent (patent number: 2029411), our alloy achieves a harmonious balance between superior corrosion resistance (salt spray test ≥ 1000 hours) and high-temperature strength (tensile strength ≥ 790MPa) by masterfully adjusting the nickel-chromium-molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing ASTM B166 standards.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) alongside cutting-edge nano polishing, we ensure a pure welding wire composition, exceptional surface smoothness Ra ≤ 0.2 μm, and precise tolerance control ± 0.001mm, meeting high-precision automated welding needs.
2. Full scenario technical barriers: Tailored to meet high-end manufacturing demands
Extreme environmental coverage: From robust deep-sea equipment (offering resistance to seawater corrosion) to high-performance aircraft engines (providing 1000 °C high-temperature creep resistance), our wire is crafted to thrive in challenging conditions across petrochemicals, nuclear power, and new energy sectors.
Multifunctional compatibility: Expertly supports welding of dissimilar metals (e.g., nickel-based alloys, stainless steel, 9% Ni steel overlay welding), ensuring uniform, stable weld formation, reducing hot crack sensitivity by 40%, and minimizing subsequent processing costs.
3. Flexible production and comprehensive full-cycle service
Customization capability: With nearly two decades of technological expertise, we adeptly provide non-standard specifications (diameter 0.6-4.0mm) and specialized coatings, with a response cycle expertly reduced to 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line boasts a robust monthly capacity of 100 tons, ensuring regular orders are delivered within 15 days, maintaining an impeccable on-time rate of ≥ 98%.
Quality commitment: Rigorous 12-step quality inspection processes from raw materials to finished products ensure a defect rate of less than 0.05%, supported by ISO 9001, CE, and other prestigious certifications.
Worry-free after-sales service:
Benefit from an extensive 24-month ultra-long warranty and a rapid 48-hour global technical response.
We offer comprehensive services, including welding process package development, technical guidance, and meticulous quality traceability.
________________________________________
Optimization Explanation
1. Structured layering: Seamlessly merge 'technological leadership' with 'unique formula technology' and layer them according to a logical progression of 'technology scene service', showcasing the closed-loop advantages from research and development to implementation.
2. Data quantification: Augment with concrete data such as patent numbers, performance benchmarks, and defect rates to solidify credibility.
3. Scenario-based expression: Clearly delineate the product's real-world application value in industries like petrochemicals and nuclear power, spotlighting its formidable technical barriers.
4. Service differentiation: Elevate your experience with our refined customization capabilities, paired with robust after-sales terms. Our commitment to 'quick response & long-term guarantee' ensures a competitive edge that resonates with your needs.
Other major products in the same category
| AWS A5.4 |
ERNi-1 |
ERNiCu-7 |
ERNiCr-3 |
ERNiCrFe-5 |
ERNiCrMo-3 |
ERNiCrMo-4 |
ERNiFeCr-1 |
Tensile Strength
(N/mm2) |
514 |
541 |
671 |
651 |
819 |
729 |
602 |
Elongation
(%) |
44 |
39 |
41 |
45 |
39 |
45 |
33 |
| C |
0.02 |
0.02 |
0.03 |
0.06 |
0.037 |
0.012 |
0.02 |
| Mn |
0.24 |
3.21 |
3.05 |
0.51 |
0.06 |
0.5 |
0.5 |
| Si |
0.34 |
0.68 |
0.12 |
0.14 |
0.11 |
0.01 |
0.11 |
| P |
0.34 |
1.53 |
2.4 |
1.99 |
3.37 |
0.23 |
0.81 |
| Ti |
0.34 |
1.53 |
/ |
/ |
/ |
/ |
0.81 |
| S |
0.14 |
0.47 |
1.41 |
6.82 |
3.9 |
5.4 |
28.24 |
| Cr |
/ |
/ |
19.86 |
14.79 |
21.55 |
15.9 |
22.61 |
| Ni |
95.5 |
65.68 |
72.8 |
75.06 |
61.65 |
REM |
42.91 |
| Cu |
0.01 |
REM |
0.03 |
0.03 |
/ |
/ |
/ |
| Mo |
0.01 |
REM |
0.03 |
0.03 |
8.49 |
16 |
2.67 |
| Nb |
/ |
|
2.4 |
1.99 |
3.37 |
/ |
|
| V |
/ |
|
|
|
|
0.23 |
|
| Fe |
0.14 |
0.47 |
1.41 |
6.82 |
3.9 |
5.4 |
28.24 |
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