ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a premium nickel-chromium-molybdenum alloy, meticulously crafted with precise elemental control to ensure unparalleled high performance:
- Primary Elements: Composed of Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%), it offers exceptional weldability and durability.
- Impurities: With low iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%), this alloy is designed to minimize the risks of cracking and ensure a flawless finish.
-
| 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: Impressive tensile strength of ≥760 MPa ensures robust and reliable welds even in challenging conditions.
- Yield Strength: With a yield strength of ≥420 MPa, it guarantees stability and structural integrity.
- Elongation: Displays a notable elongation of ≥27%, offering flexibility without compromising strength.
- Impact Toughness: Engineered for high resistance to fatigue and stress corrosion cracking, making it suitable for applications ranging from cryogenic to high temperatures.
3. Physical Properties
- Density: With a density of 8.4 g/cm³, it combines lightness with strength.
- Melting Range: Boasting a melting range of 1290-1350°C, it provides versatility in various welding applications.
- Structure: Features a face-centered cubic lattice structure, transitioning to stable Ni3(Nb,Ti) phases after heat treatment at ~650°C, enhancing its thermal properties.
4. Key Features
- Corrosion Resistance: Excellently resists pitting, crevice corrosion, and stress corrosion cracking in chloride, acidic, and marine environments, offering durability and longevity.
- High-Temperature Stability: Maintains its strength and oxidation resistance up to a formidable 1800°F (982°C), making it ideal for high-temperature applications.
- Versatility: Exceptionally versatile, suitable for welding dissimilar metals such as carbon steel to nickel alloys, and perfect for surface cladding applications.
5. Welding Process Compatibility
- Methods: Compatible with a wide range of welding processes including TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, offering flexibility and adaptability.
- Shielding Gas: Use Argon or argon-helium mixtures for TIG/MIG; INCOFLUX 7 flux is recommended for SAW to optimize performance and achieve superior results.
- Wire Diameters: Available in diameters of 0.8-3.2 mm, whether spooled or straight rods, catering to a variety of welding needs.
6. Applications
- Industries: Widely used across diverse industries such as aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment), this product promises reliability and innovation.
- Materials Welded: Ideally suited for welding materials like INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations, including nickel alloys to stainless steel, enhancing versatility and application scope.
7. Standards & Certifications
- AWS/ASME: Fully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards, ensuring quality and consistency.
- Certifications: Certified by ABS, NADCAP, and ISO 18274, this product meets the stringent requirements of critical industries, guaranteeing performance and reliability.
8. Handling & Storage
- Moisture Control: Ensure impeccable storage by keeping in dry conditions. Copper-coated variants notably enhance conductivity.
- Pre-Weld Prep: Thoroughly clean all surfaces to remove oil, rust, and moisture. Employ low heat input to preserve material integrity and prevent embrittlement.
9. Packaging & Availability
- Packaging: Available in versatile spools ranging from 5-15 kg or as straight rods for varied needs.
- Lead Time: Expediently shipped within 3-15 days, contingent on order volume.
Summary: ERNiCrMo-3 stands as a premier welding wire, specifically engineered for extreme environments. It boasts exceptional mechanical durability, unparalleled corrosion resistance, and versatile adaptability across myriad industries.
Our advantages
1. Technological leadership: Unparalleled breakthroughs in patented formulas and processes.
Exclusive alloy formula: With our Dutch invention patent (patent number: 2029411), we masterfully harmonize corrosion resistance (salt spray test ≥ 1000 hours) with high-temperature strength (tensile strength ≥ 790MPa). This is achieved by expertly balancing the nickel chromium molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing the ASTM B166 standard.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) coupled with nano polishing technology, we ensure exceptional purity of welding wire, stunning surface smoothness at Ra ≤ 0.2 μm, and precision tolerance control at ± 0.001mm, ideal for high-precision automated welding.
2. Full scenario technical barriers: Addressing the demanding needs of high-end manufacturing.
Extreme environmental coverage: From deep-sea equipment battling seawater corrosion to aircraft engines withstanding 1000°C high-temperature creep, our products excel in rigorous fields like petrochemicals, nuclear power, and new energy.
Multi functional compatibility: Expertly supports welding of dissimilar metals, including nickel-based alloys and stainless steel. It delivers uniform, stable welds, reducing hot crack sensitivity by 40% and lowering subsequent processing costs.
3. Flexible production and full cycle service
Customization capability: With nearly two decades of technological advancement, we adeptly offer non-standard specifications (diameter 0.6-4.0mm) and special coatings, achieving a rapid response cycle of just 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line yields a robust monthly capacity of 100 tons, delivering regular orders within 15 days with an impressive on-time rate of ≥ 98%.
Quality commitment: Implementing 12 meticulous quality inspections from raw materials to final products, we maintain a defect rate of less than 0.05%, backed by ISO 9001, CE, and other certifications.
Worry-free after-sales service:
Enjoy peace of mind with a 24-month extended warranty and a 48-hour global technical response.
We offer comprehensive support, including welding process package development, expert technical guidance, and thorough quality traceability services.
________________________________________
Optimization Explanation
1. Structured layering: Seamlessly integrate 'technological leadership' with 'unique formula technology', organized logically from research and development through to implementation, showcasing the comprehensive advantages.
2. Data quantification: Bolster credibility with precise metrics such as patent numbers, performance specifications, and defect ratios.
3. Scenario-based expression: Clearly articulate the real-world application value in sectors like petrochemicals and nuclear power, emphasizing technological superiority.
4. Service differentiation: Hone our customization capabilities and extend after-sales terms to fortify our 'quick response & long-term guarantee' strategy. By doing so, we not only excel in meeting unique client specifications but also bolster our competitive edge, ensuring our clients always receive the most responsive and reliable service.
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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