ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) stands as a premier nickel-chromium-molybdenum alloy, meticulously crafted with precise elemental control, ensuring unparalleled high performance in demanding applications:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Ultra-low iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%), significantly reducing the risk of cracking and enhancing reliability.
-
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, offering remarkable resilience and durability.
- Yield Strength: ≥420 MPa, providing robust structural integrity.
- Elongation: ≥27%, ensuring excellent ductility and flexibility under stress.
- Impact Toughness: Exhibits exceptional resistance to fatigue and stress corrosion cracking, ideally suited for applications ranging from cryogenic to high temperatures.
3. Physical Properties
- Density: 8.4 g/cm³, optimizing material efficiency.
- Melting Range: 1290-1350°C, offering a wide thermal processing range for various applications.
- Structure: Face-centered cubic lattice, transitioning into stable Ni3(Nb,Ti) phases post heat treatment at approximately 650°C, enhancing material stability.
4. Key Features
- Corrosion Resistance: Boasts unparalleled resistance to pitting, crevice corrosion, and stress corrosion cracking within chloride, acidic, and marine environments, ensuring longevity and reliability.
- High-Temperature Stability: Maintains formidable strength and oxidation resistance even when exposed to temperatures up to 1800°F (982°C).
- Versatility: Perfectly suited for welding of dissimilar metals, such as carbon steel to nickel alloys, and ideal for surface cladding.
5. Welding Process Compatibility
- Methods: Seamlessly compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, ensuring flexibility in application.
- Shielding Gas: Argon or argon-helium mixtures recommended for TIG/MIG; INCOFLUX 7 flux is advisable for SAW processes.
- Wire Diameters: Available in 0.8-3.2 mm, offered as spooled or straight rods for varied usage.
6. Applications
- Industries: Widely used across aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) industries.
- Materials Welded: Suitable for welding INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations like nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Fully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards, ensuring adherence to the highest quality benchmarks.
- Certifications: Carries prestigious certifications such as ABS, NADCAP, and ISO 18274, signifying its suitability for the most critical industries.
8. Handling & Storage
- Moisture Control: Ensure optimal storage by keeping in dry conditions. The copper-coated variants offer enhanced conductivity, providing a remarkable edge in performance.
- Pre-Weld Prep: Prepare surfaces meticulously by eliminating oil, rust, and moisture. Employ low heat input techniques to prevent embrittlement, ensuring exemplary weld quality.
9. Packaging & Availability
- Packaging: Available in versatile forms - spools ranging from 5 to 15 kg or straight rods, catering to diverse welding needs.
- Lead Time: Expect prompt shipping within a timeframe of 3-15 days, tailored to the order quantity, ensuring your operations run smoothly.
Summary: ERNiCrMo-3 stands as a top-tier welding wire engineered for the most challenging environments. It combines exceptional mechanical strength, outstanding corrosion resistance, and unmatched adaptability across a myriad of industries.
Our advantages
1. Technological leadership: Seizing breakthroughs in patented formulas and processes, delivering cutting-edge solutions.
Exclusive alloy formula: With a coveted Dutch invention patent (patent number: 2029411), we achieve an unparalleled harmony between corrosion resistance (withstanding salt spray for ≥ 1000 hours) and high temperature endurance (tensile strength ≥ 790MPa) by meticulously balancing the nickel chromium molybdenum composition (Ni ≥ 58%, Cr 20-23%, Mo 8-10%). This performance surpasses the ASTM B166 standard.
Advanced process guarantee: By adopting a sophisticated dual metallurgical process (VIM+ESR) and state-of-the-art nano polishing technology, we ensure the welding wire's pure composition, with a surface smoothness of Ra ≤ 0.2 μm and a precise tolerance control of ± 0.001mm, perfectly meeting high-precision automated welding demands.
2. Full scenario technical barriers: Perfectly adapting to the complex needs of high-end manufacturing.
Extreme environmental coverage: From the depths of oceanic equipment (resilient to seawater corrosion) to the high altitudes of aircraft engines (withstanding 1000 °C high-temperature creep), our solutions meet the rigorous demands of industries like petrochemicals, nuclear power, and new energy.
Multi functional compatibility: Our welding wire supports the challenging welding of dissimilar metals (such as nickel-based alloys with stainless steel, and 9% Ni steel overlay welding), ensuring uniform and stable welds while reducing hot crack sensitivity by 40% and minimizing subsequent processing costs.
3. Flexible production and full cycle service: Offering adaptable solutions with comprehensive support.
Customization capability: Leveraging nearly 20 years of technological expertise, we offer bespoke solutions with non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a scalable response cycle reduced to just 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line boasts a monthly capacity of 100 tons, ensuring regular orders are delivered within 15 days with a remarkable on-time delivery rate of ≥ 98%.
Quality commitment: We uphold rigorous standards with 12 quality inspection processes from raw materials to finished products, achieving a defect rate of less than 0.05%, while holding certifications from ISO 9001, CE, and more.
Worry free after-sales service:
We offer an extensive warranty of 24 months, with a rapid global technical response within 48 hours.
Our service package includes comprehensive welding process development, expert technical guidance, and meticulous quality traceability services.
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Optimization Explanation
1.Structured layering: Integrate 'technological leadership' with 'unique formula technology', structured under the 'technology scene service', emphasizing the holistic superiority from R&D to execution.
2. Data quantification: Enhance credibility with concrete data points such as patent numbers, performance metrics, and defect rates.
3. Scenario-based expression: Clearly articulate the product's practical value in industries like petrochemicals and nuclear power, highlighting formidable technical barriers.
4. Service differentiation: Elevate our service offerings by refining customization capabilities and enhancing after-sales terms. This strategy strengthens our competitiveness through a 'quick response & long-term guarantee' approach, ensuring that our clients receive unparalleled support and flexibility tailored to their specific 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 |





