ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a premium nickel-chromium-molybdenum alloy crafted with precise elemental harmony to deliver superior performance, even under the most challenging conditions:
- Primary Elements: The alloy boasts significant Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), and Molybdenum (Mo: 8-10%) content, complemented by Niobium (Nb: 3.15-4.15%) for enhanced strength and corrosion resistance.
- Impurities: Designed to keep impurities at bay, with minimized levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%), reducing the risk of cracking.
-
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: Exhibits robust tensile strength of ≥760 MPa, ensuring durability and reliability in demanding environments.
- Yield Strength: A yield strength of ≥420 MPa promises resilience and structural integrity.
- Elongation: With an elongation of ≥27%, the material showcases remarkable flexibility and adaptability.
- Impact Toughness: Demonstrates exceptional impact toughness with high resistance to fatigue and stress corrosion cracking, making it ideal for both cryogenic and elevated temperature applications.
3. Physical Properties
- Density: A density of 8.4 g/cm³ ensures optimal strength-to-weight ratio.
- Melting Range: A broad melting range of 1290-1350°C, offering versatility in various thermal conditions.
- Structure: Features a stable face-centered cubic lattice, transitioning to Ni3(Nb,Ti) phases post heat treatment at approximately 650°C for enhanced stability.
4. Key Features
- Corrosion Resistance: Provides unparalleled resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride, acidic, and marine environments, safeguarding your assets.
- High-Temperature Stability: Retains exceptional strength and oxidation resistance at temperatures up to 1800°F (982°C), ensuring long-lasting performance.
- Versatility: Expertly crafted for welding dissimilar metals, such as carbon steel to nickel alloys, and for surface cladding, broadening your application possibilities.
5. Welding Process Compatibility
- Methods: Compatible with a variety of welding methods including TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, providing flexibility in your operations.
- Shielding Gas: Employs argon or argon-helium mixtures for TIG/MIG processes; INCOFLUX 7 flux is recommended for SAW, ensuring optimal weld quality.
- Wire Diameters: Available in a range of diameters from 0.8-3.2 mm, offered in both spooled or straight rods to meet your specific needs.
6. Applications
- Industries: Ideally suited for aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment), where reliability is a must.
- Materials Welded: Capable of welding materials such as INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations like nickel alloys to stainless steel, offering versatility and adaptability in applications.
7. Standards & Certifications
- AWS/ASME: Adheres to AWS A5.14, ASME SFA-5.14, and UNS N06625 standards, ensuring compliance with industry benchmarks.
- Certifications: Boasts certifications from ABS, NADCAP, and ISO 18274, providing assurance for use in critical industries.
8. Handling & Storage
- Moisture Control: Ensure optimal storage in dry conditions to maintain integrity; copper-coated variants notably enhance conductivity for superior performance.
- Pre-Weld Prep: Meticulously clean surfaces of any oil, rust, and moisture; employ low heat input to prevent embrittlement and ensure optimal weld quality.
9. Packaging & Availability
- Packaging: Available in versatile packaging options, including spools ranging from 5-15 kg or as straight rods to meet diverse application needs.
- Lead Time: Expedient shipping typically within 3-15 days, contingent on order quantity, ensuring timely delivery for your projects.
Summary: ERNiCrMo-3 is a top-tier welding wire engineered for the most extreme environments, offering unmatched mechanical strength, exceptional corrosion resistance, and versatile adaptability across multiple industries.
Our advantages
1. Technological leadership: We achieve groundbreaking advancements through our innovative patented formulas and processes.
Exclusive alloy formula: With our prized Dutch invention patent (patent number: 2029411), we ensure a flawless equilibrium between corrosion resistance (passing the rigorous salt spray test ≥ 1000 hours) and high-temperature strength (boasting a tensile strength ≥ 790MPa). Our precise adjustment of nickel chromium molybdenum ratios (Ni ≥ 58%, Cr 20-23%, Mo 8-10%) guarantees performance that surpasses the ASTM B166 standard.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) coupled with cutting-edge nano polishing technology, we maintain a pure composition in our welding wire, ensure surface smoothness Ra ≤ 0.2 μm, and control tolerances to ± 0.001mm, making it ideal for high-precision automated welding needs.
2. Full scenario technical barriers: Expertly catering to the sophisticated demands of high-end manufacturing.
Extreme environmental coverage: Designed to withstand the harshest conditions, from deep-sea equipment (offering robust seawater corrosion resistance) to aircraft engines (providing 1000 °C high-temperature creep resistance), our product excels in demanding fields like petrochemicals, nuclear power, and new energy.
Multi-functional compatibility: Capable of welding dissimilar metals, including nickel-based alloys and stainless steel (9% Ni steel overlay welding), our solution ensures uniform, stable weld formation while reducing hot crack sensitivity by 40%, and minimizing subsequent processing costs.
3. Flexible production and full cycle service
Customization capability: Leveraging nearly two decades of technical expertise, we offer tailored solutions with non-standard specifications (diameter 0.6-4.0mm) and specialized coatings, with a remarkable response time shortened to just 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line delivers with a substantial monthly capacity of 100 tons. Regular orders are fulfilled within 15 days, maintaining an impressive on-time rate of ≥ 98%.
Quality commitment: We conduct 12 meticulous quality inspection processes from raw materials to finished products, achieving a defect rate of less than 0.05%, and meeting stringent standards as evidenced by ISO 9001, CE, and other certifications.
Worry-free after-sales service:
Our comprehensive service includes a 24-month ultra-long warranty and a 48-hour global technical response.
We offer tailored welding process package development, expert technical guidance, and quality traceability services to ensure excellence.
________________________________________
Optimization Explanation
1. Structured layering: Enhance the original 'technological leadership' by seamlessly integrating 'unique formula technology'. Organize them following the logical progression of 'technology scene service', thereby accentuating the closed-loop advantages from R&D to implementation.
2. Data quantification: Strengthen credibility by supplementing with concrete indicators like patent numbers, performance parameters, and defect rates.
3. Scenario-based expression: Clearly communicate the product's real-world applications in industries such as petrochemicals and nuclear power, and underscore our substantial technical barriers.
4. Service Differentiation: Enhance our bespoke customization capabilities and refine our after-sales terms to strengthen our competitive edge, ensuring a swift response and a long-term guarantee that truly sets us apart.
Explore Our Other Exceptional 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 |





