ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a superior nickel-chromium-molybdenum alloy that boasts precise elemental control to guarantee exceptional high-performance welding results:
- Primary Elements: Key elements include Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%), each expertly balanced to enhance strength and reliability.
- Impurities: Low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) are meticulously controlled to significantly 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: An impressive tensile strength of ≥760 MPa ensures robust, enduring welds .
- Yield Strength: Yield strength exceeding ≥420 MPa delivers outstanding durability and load-bearing capacity .
- Elongation: A remarkable elongation of ≥27% provides flexibility and adaptability in demanding applications.
- Impact Toughness: Exhibits high resistance to fatigue and stress corrosion cracking, making it ideal for environments from cryogenic to high-temperature.
3. Physical Properties
- Density: Density of 8.4 g/cm³ ensures a solid structure, providing stability and reliability.
- Melting Range: With a melting range of 1290-1350°C, it's engineered for high heat applications.
- Structure: Features a face-centered cubic lattice, transitioning to stable Ni3(Nb,Ti) phases after heat treatment at approximately 650°C, enhancing performance.
4. Key Features
- Corrosion Resistance: Exhibits excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, particularly in chloride, acidic, and marine environments.
- High-Temperature Stability: Maintains impressive strength and oxidation resistance up to a scorching 1800°F (982°C).
- Versatility: Highly versatile, suitable for welding dissimilar metals such as carbon steel to nickel alloys, as well as surface cladding.
5. Welding Process Compatibility
- Methods: Seamlessly compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding processes, offering flexibility.
- Shielding Gas: Recommended use of Argon or argon-helium mixtures for TIG/MIG, and INCOFLUX 7 flux for SAW to maximize performance.
- Wire Diameters: Available in diameters ranging from 0.8-3.2 mm, in both spooled or straight rods, catering to varied requirements.
6. Applications
- Industries: Widely employed in aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) industries.
- Materials Welded: Capable of welding INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations like nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Meets stringent standards of AWS A5.14, ASME SFA-5.14, and UNS N06625, ensuring reliability and quality.
- Certifications: Proudly certified by ABS, NADCAP, and ISO 18274, making it ideal for critical industries and applications.
8. Handling & Storage
- Moisture Control: Ensure optimal performance by storing in consistently dry conditions; our copper-coated variants further enhance conductivity.
- Pre-Weld Prep: For superior welds, meticulously clean surfaces of oil, rust, and moisture. Employ low heat input to prevent embrittlement, ensuring a flawless finish.
9. Packaging & Availability
- Packaging: Available in convenient spools (5-15 kg) or as straight rods, catering to diverse welding needs.
- Lead Time: Typically dispatches within 3-15 days, contingent upon order quantity, ensuring timely access to premium materials.
Summary: ERNiCrMo-3 represents a pinnacle in welding wire technology, designed to excel in extreme environments. It merges exceptional mechanical properties, superior corrosion resistance, and unparalleled adaptability across various industries.
Our advantages
1. Technological leadership: unmatched breakthroughs in patented formulas and processes.
Exclusive alloy formula: Holding a prestigious Dutch invention patent (patent number: 2029411), it achieves an exquisite balance of corrosion resistance (salt spray test ≥ 1000 hours) and high temperature strength (tensile strength ≥ 790MPa) by precisely tuning the nickel chromium molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing ASTM B166 standard.
Advanced process guarantee: Utilizing dual metallurgical process (VIM+ESR) and cutting-edge nano polishing technology, ensuring welding wire purity, an ultra-smooth surface Ra ≤ 0.2 μm, and precise tolerance control ± 0.001mm, ideal for high-precision automated welding requirements.
2. Full scenario technical barriers: adapted for high-end manufacturing requirements.
Extreme environmental coverage: From deep-sea equipment (resilient to seawater corrosion) to aircraft engines (withstanding 1000°C high-temperature creep), it meets the rigorous demands of industries such as petrochemicals, nuclear power, and new energy.
Multifunctional compatibility: Facilitates welding of dissimilar metals (such as nickel-based alloys to stainless steel, 9% Ni steel overlay welding), with consistent and stable weld formation, reducing hot crack sensitivity by 40%, and minimizing subsequent processing expenses.
3. Flexible production and comprehensive cycle service.
Customization capability: With nearly two decades of technological expertise, we offer flexible non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a response cycle reduced to just 3 days.
Dual guarantee of delivery and quality control:
Stable production: The state-of-the-art automated production line achieves a monthly capacity of 100 tons, ensuring regular orders are delivered within 15 days with an on-time rate of ≥ 98%.
Quality commitment: Conducts 12 rigorous quality inspections from raw materials to finished products, maintaining a defect rate less than 0.05%, and meets ISO 9001, CE, and other certifications.
Worry-free after-sales service:
Benefit from a 24-month ultra-long warranty and 48-hour global technical support;
We provide comprehensive welding process package development, detailed technical guidance, and reliable quality traceability services.
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Optimization Explanation
1. Structured layering: Integrate original 'technological leadership' with 'unique formula technology', organizing them by the logic of 'technology scene service', emphasizing closed-loop advantages from R&D to practical application.
2. Data quantification: Enhance credibility by supplementing with concrete indicators like patent numbers, performance metrics, and defect rates.
3. Scenario-based expression: Clearly articulate the product's practical application value in domains such as petrochemicals and nuclear power, underscoring technical barriers.
4. Service differentiation: Elevate your experience with our refined customization capabilities and comprehensive after-sales terms. We are committed to strengthening our competitive edge by offering a 'quick response and long-term guarantee' that ensures unparalleled customer satisfaction and peace of mind.
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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