ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a specialized nickel-chromium-molybdenum alloy, meticulously engineered with precise elemental control, ensuring unparalleled high-performance capabilities:
- Primary Elements: This alloy is composed of Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%) to provide superior performance.
- Impurities: Contains low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to drastically reduce 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 impressive tensile strength of ≥760 MPa, ensuring durability and robustness.
- Yield Strength: Possesses a yield strength of ≥420 MPa, providing substantial structural integrity.
- Elongation: Capable of elongation at ≥27%, demonstrating flexibility under stress.
- Impact Toughness: Offers high resistance to fatigue and stress corrosion cracking, making it ideal for applications ranging from cryogenic to elevated temperatures.
3. Physical Properties
- Density: Has a density of 8.4 g/cm³, contributing to its consistent performance.
- Melting Range: Features a melting range of 1290-1350°C, suitable for high-temperature processes.
- Structure: Exhibits a face-centered cubic lattice structure, transitioning to stable Ni3(Nb,Ti) phases after undergoing heat treatment around ~650°C.
4. Key Features
- Corrosion Resistance: Boasts excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, even in challenging chloride, acidic, and marine environments.
- High-Temperature Stability: Retains strength and offers exceptional oxidation resistance up to 1800°F (982°C), ensuring reliability in demanding conditions.
- Versatility: Perfectly suited for welding dissimilar metals, such as carbon steel to nickel alloys, and for surface cladding applications.
5. Welding Process Compatibility
- Methods: This wire is compatible with a variety of welding techniques, including TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, offering flexibility in applications.
- Shielding Gas: Utilizes argon or argon-helium mixtures for TIG/MIG processes; INCOFLUX 7 flux is recommended for SAW to achieve optimal results.
- Wire Diameters: Available in diameters ranging from 0.8-3.2 mm, either spooled or as straight rods, to suit different welding needs.
6. Applications
- Industries: Serves a wide range of industries, including aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment), highlighting its versatility.
- Materials Welded: Compatible with various materials such as INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and dissimilar metal combinations, like nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Complies with established standards AWS A5.14, ASME SFA-5.14, and UNS N06625, ensuring trustworthy performance.
- Certifications: Holds critical industry certifications including ABS, NADCAP, and ISO 18274, underscoring its reliability and quality assurance.
8. Handling & Storage
- Moisture Control: Ensure storage in completely dry conditions to maintain optimal performance. Copper-coated variants are specially designed to enhance conductivity.
- Pre-Weld Prep: Thoroughly clean surfaces of oil, rust, and moisture to guarantee superior weld quality. Employ low heat input to avoid the risk of embrittlement and maintain structural integrity.
9. Packaging & Availability
- Packaging: Available in convenient forms such as spools (5-15 kg) or as straight rods, catering to diverse user requirements.
- Lead Time: Typically ships within a swift timeframe of 3-15 days, tailored to quantity demands.
Summary: ERNiCrMo-3 represents a top-tier welding solution crafted for the most extreme environments, offering a remarkable blend of robust mechanical properties, outstanding corrosion resistance, and unmatched adaptability across various industries.
Our advantages
1. Technological leadership: Forging ahead with breakthroughs in patented formulas and processes
Exclusive alloy formula: Backed by a prestigious Dutch invention patent (patent number: 2029411), it masterfully balances corrosion resistance (salt spray test ≥ 1000 hours) and high temperature strength (tensile strength ≥ 790MPa) through meticulous adjustment of the nickel chromium molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), offering performance that surpasses ASTM B166 standards.
Advanced process guarantee: Employing a dual metallurgical process (VIM+ESR) alongside cutting-edge nano polishing technology, we ensure a pure welding wire composition, with surface smoothness Ra ≤ 0.2 μ m and precision tolerance control ± 0.001mm, meeting the demands of high-precision automated welding.
2. Full scenario technical barriers: Perfectly adapting to high-end manufacturing needs
Extreme environmental coverage: From deep-sea equipment resistant to seawater corrosion to aircraft engines capable of enduring 1000 ° C high-temperature creep, our product meets the stringent requirements across fields like petrochemicals, nuclear power, and new energy.
Multi functional compatibility: Offers seamless welding of dissimilar metals (such as nickel-based alloys and stainless steel, 9% Ni steel overlay welding), achieving uniform and stable welds, reducing the sensitivity to hot cracks by 40%, and cutting down on subsequent processing costs.
3. Flexible production and comprehensive cycle service
Customization capability: With an impressive 20 years of technological expertise, we flexibly offer non-standard specifications (diameter 0.6-4.0mm) and specialized coatings, with a 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, with regular orders delivered punctually within 15 days, ensuring an on-time rate of ≥ 98%;
Quality commitment: Conducts 12 meticulous quality inspection processes from raw materials to finished products, maintaining a defect rate of less than 0.05%, and upholding certifications such as ISO 9001, CE, and others.
Worry-free after-sales service:
Enjoy a generous 24-month ultra-long warranty and a rapid 48 hours global technical response;
We also provide comprehensive welding process package development, technical guidance, and quality traceability services.
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Optimization Explanation
1.Structured layering: Seamlessly integrates "technological leadership" with "unique formula technology", organized by the logic of "technology scene service", emphasizing the closed-loop advantages from research and development to implementation.
2. Data quantification: Enhances credibility by incorporating hard data such as patent numbers, performance parameters, and defect rates.
3. Scenario-based expression: Clearly articulates the product's actual application value in sectors such as petrochemicals and nuclear power, while highlighting technical barriers.
4. Service Differentiation: Enhance your experience through our refined customization capabilities and comprehensive after-sales terms. We are committed to strengthening our competitive edge with 'quick response & long-term guarantee' services, ensuring unparalleled satisfaction.
Explore Other Major Products in the Same Category: Discover the exceptional range of products we offer alongside the Inconel 625 Welding Wire. Each one is crafted for excellence and designed to perform flawlessly even in the most demanding environments.
| 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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