ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a high-performance nickel-chromium-molybdenum alloy meticulously engineered, ensuring precise elemental control for unmatched performance:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Featuring low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to significantly minimize 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: A robust ≥760 MPa, ensuring durability under stress.
- Yield Strength: An impressive ≥420 MPa, providing resilience against deformation.
- Elongation: A noteworthy elongation of ≥27%, enhancing flexibility.
- Impact Toughness: Exhibits high resistance to fatigue and stress corrosion cracking, ideal for a range of applications from cryogenic to high temperatures.
3. Physical Properties
- Density: With a density of 8.4 g/cm³, it maintains an optimal balance.
- Melting Range: Exhibits a melting range of 1290-1350°C, ensuring stability in diverse conditions.
- Structure: Features a face-centered cubic lattice structure, with a transition to stable Ni3(Nb,Ti) phases post heat treatment at ~650°C.
4. Key Features
- Corrosion Resistance: Offers exceptional resistance against pitting, crevice corrosion, and stress corrosion cracking in challenging chloride, acidic, and marine environments.
- High-Temperature Stability: Retains strength and oxidation resistance even at temperatures soaring up to 1800°F (982°C).
- Versatility: Highly versatile, suitable for welding dissimilar metals such as carbon steel to nickel alloys and for surface cladding.
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; INCOFLUX 7 flux is recommended for SAW for optimal performance.
- Wire Diameters: Available in diameters ranging from 0.8-3.2 mm, offered as spooled or straight rods to cater to diverse requirements.
6. Applications
- Industries: Widely applied in aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas industries (wellhead equipment).
- Materials Welded: Compatible with INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations such as nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Fully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards.
- Certifications: Holds prestigious certifications including ABS, NADCAP, and ISO 18274, ensuring quality for critical industries.
8. Handling & Storage
- Moisture Control: Ensure that the Inconel 625 Welding Wire, including its copper-coated variants for enhanced conductivity, is stored in impeccably dry conditions to maintain its peak performance.
- Pre-Weld Prep: Thoroughly cleanse surfaces of any oil, rust, and moisture. Employ a calculated low heat input technique to prevent embrittlement, ensuring seam integrity and strength.
9. Packaging & Availability
- Packaging: Available in user-friendly spools ranging from 5 to 15 kg, or as straight rods, offering versatile solutions for various welding needs.
- Lead Time: Expedient shipping typically within 3 to 15 days, subject to order quantity, ensuring you receive your Inconel 625 wire precisely when needed.
Summary: ERNiCrMo-3 is a cutting-edge, high-performance welding wire crafted for the most demanding environments. It boasts formidable mechanical strength, superior corrosion resistance, and exceptional adaptability across a plethora of industries.
Our advantages
1. Technological leadership: Pioneering breakthroughs in patented formulas and processes
Exclusive alloy formula: With the esteemed Dutch invention patent (patent number: 2029411), our unique alloy formulation optimally balances exceptional corrosion resistance (salt spray test ≥ 1000 hours) and formidable high-temperature strength (tensile strength ≥ 790MPa). This is achieved by meticulously fine-tuning the nickel, chromium, and molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing the ASTM B166 standard with unmatched performance.
Advanced process guarantee: By integrating dual metallurgical processes (VIM+ESR) and state-of-the-art nano polishing technology, we ensure the highest purity of welding wire composition. With a surface smoothness of Ra ≤ 0.2 μm and precision tolerance control of ± 0.001mm, our product is a perfect fit for high-precision automated welding applications.
2. Full scenario technical barriers: Tailored to meet high-end manufacturing demands
Extreme environmental coverage: From the depths of the ocean, resisting seawater corrosion, to the harsh environments of aircraft engines withstanding up to 1000°C high-temperature creep, our product is engineered for the toughest conditions found in petrochemicals, nuclear power, and new energy sectors.
Multi functional compatibility: Specifically designed to facilitate the welding of dissimilar metals, including nickel-based alloys and stainless steel, as well as 9% Ni steel overlay welding. Our wire ensures uniform and stable weld formation, reduces hot crack sensitivity by 40%, and diminishes subsequent processing costs.
3. Flexible production and full cycle service
Customization capability: With almost two decades of technological expertise, we offer the flexibility to deliver non-standard specifications (diameter 0.6-4.0mm) along with bespoke special coatings, significantly reducing the response cycle to merely 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line delivers a robust monthly capacity of 100 tons. We promise regular orders within 15 days with a remarkable on-time delivery rate of ≥ 98%.
Quality commitment: Conducting a rigorous 12-step quality inspection process from raw materials through to finished products, we maintain an astoundingly low defect rate of less than 0.05%, endorsed by ISO 9001, CE, and other certifications.
Worry free after-sales service:
Benefit from our 24-month ultra-long warranty and responsive global technical support guaranteed within 48 hours;
Take advantage of our comprehensive service package including welding process development, technical support, and quality traceability solutions.
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Optimization Explanation
1.Structured layering: Integrate the leadership in technology with our exclusive formula technology, organizing them under the logical framework of 'technology scene service' to highlight a seamless advantage from R&D to application.
2. Data quantification: Amplify credibility by incorporating critical metrics like patent numbers, performance benchmarks, and defect statistics.
3. Scenario based expression: Clearly articulate the product's tangible value in sectors such as petrochemicals and nuclear power, underscoring our formidable technical expertise and market advantage.
4. Service differentiation: Elevate your experience with refined customization capabilities and comprehensive after-sales terms, offering you an unmatched edge with our 'Quick Response & Long-Term Guarantee'. Strengthen your competitive advantage with services tailored to meet your unique needs, ensuring satisfaction at every stage.
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 |





