ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a premium nickel-chromium-molybdenum alloy, expertly formulated for exceptional performance and reliability in the most demanding environments:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Features minimal impurities with low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) 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: ≥760 MPa, ensuring robust performance under stress.
- Yield Strength: ≥420 MPa, providing reliable strength under load.
- Elongation: ≥27%, offering excellent flexibility and durability.
- Impact Toughness: Boasts high resistance to fatigue and stress corrosion cracking, making it ideal for applications from cryogenic to high temperatures.
3. Physical Properties
- Density: 8.4 g/cm³, a testament to its robust construction.
- Melting Range: 1290-1350°C, capable of enduring extreme thermal conditions.
- Structure: Exhibits a face-centered cubic lattice that transitions to stable Ni3(Nb,Ti) phases after heat treatment at approximately 650°C, enhancing its structural integrity.
4. Key Features
- Corrosion Resistance: Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in aggressive chloride, acidic, and marine environments.
- High-Temperature Stability: Retains its strength and oxidation resistance up to 1800°F (982°C), ensuring longevity in high-heat applications.
- Versatility: Ideally suited for welding dissimilar metals such as carbon steel to nickel alloys and perfect for surface cladding tasks.
5. Welding Process Compatibility
- Methods: Seamlessly integrates with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding techniques, offering versatile application possibilities.
- Shielding Gas: Utilizes argon or argon-helium mixtures for TIG/MIG welding; for SAW, INCOFLUX 7 flux is recommended for optimal results.
- Wire Diameters: Available in diameters ranging from 0.8-3.2 mm, offered as spooled or straight rods to suit diverse project needs.
6. Applications
- Industries: Widely used across aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) sectors.
- Materials Welded: Highly compatible with materials such as INCONEL 625, INCOLOY 825, 20 alloy, 9% Ni steel, and various dissimilar combinations including nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Meets the stringent standards of AWS A5.14, ASME SFA-5.14, and UNS N06625, ensuring quality and reliability.
- Certifications: Certified by ABS, NADCAP, and ISO 18274, making it an ideal choice for critical industries requiring the highest quality assurance.
8. Handling & Storage
- Moisture Control: Meticulously store in dry conditions to preserve quality; copper-coated variants offer enhanced conductivity and performance assurance.
- Pre-Weld Prep: Ensure to meticulously clean surfaces of oil, rust, and moisture; employ low heat input to diligently avoid embrittlement and ensure optimal weld quality.
9. Packaging & Availability
- Packaging: Available in versatile forms such as spools (5-15 kg) or straight rods to suit diverse application needs and preferences.
- Lead Time: Efficiently ships within a responsive timeframe of 3-15 days, tailored to meet varying quantity demands.
Summary: ERNiCrMo-3 is an exceptional welding wire engineered for extreme environments, seamlessly blending robust mechanical properties, impeccable corrosion resistance, and unparalleled adaptability across a myriad of industries.
Our advantages
1. Technological leadership: Pioneering breakthroughs in patented formulas and processes
Exclusive alloy formula: Harnessing a Dutch invention patent (patent number: 2029411), it achieves the pinnacle of balance between corrosion resistance (salt spray test ≥ 1000 hours) and formidable high-temperature strength (tensile strength ≥ 790MPa) through precise calibration of the nickel chromium molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), outperforming the ASTM B166 standard.
Advanced process guarantee: Embracing a dual metallurgical process (VIM+ESR) and cutting-edge nano polishing technology, it ensures an ultra-pure composition of welding wire, a surface smoothness Ra ≤ 0.2 μm, and rigorous tolerance control ± 0.001mm, perfectly suited for high-precision automated welding demands.
2. Full scenario technical barriers: Tailored to meet high-end manufacturing demands
Extreme environmental coverage: From the resilience against seawater corrosion in deep-sea equipment to the unparalleled high-temperature creep resistance of up to 1000°C in aircraft engines, it adeptly meets the stringent working conditions in industries like petrochemicals, nuclear power, and pioneering new energy.
Multi-functional compatibility: Expertly supports welding of dissimilar metals (including nickel-based alloys, stainless steel, and 9% Ni steel overlay welding), ensuring uniform and stable weld formation, reducing hot crack sensitivity by 40%, and minimizing subsequent processing costs.
3. Flexible production and full-cycle service
Customization capability: With nearly two decades of technological prowess, we adeptly offer non-standard specifications (diameter 0.6-4.0mm) and specialized coatings, with a swift response cycle reduced to just 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line boasts a robust monthly capacity of 100 tons, with regular orders dispatched within 15 days and an exceptional on-time rate of ≥ 98%;
Quality commitment: We meticulously perform 12 quality inspection processes from raw materials to finished products, achieving a defect rate of less than 0.05%, and proudly hold ISO 9001, CE, and other prestigious certifications.
Worry-free after-sales service:
Benefit from our 24-month ultra-long warranty and a swift 48-hour global technical response;
We provide comprehensive welding process package development, expert technical guidance, and thorough quality traceability services to ensure ultimate peace of mind.
________________________________________
Optimization Explanation
1. Structured layering: Seamlessly merge the original 'technological leadership' with 'unique formula technology', and strategically layer them following the logic of 'technology scene service', accentuating the full circle of advantages from R&D to execution.
2. Data quantification: Enhance credibility by incorporating hard metrics such as patent numbers, performance benchmarks, and defect rates.
3. Scenario-based expression: Clearly articulate the real-world application value of the product in sectors like petrochemicals and nuclear power, emphasizing technical barriers and unrivaled performance.
4. Service Differentiation: Elevate your experience with our refined customization capabilities and enhanced after-sales terms. Our commitment to excellence is embodied in our unparalleled 'quick response' approach and our robust 'long-term guarantee.' Enjoy a competitive edge with our exceptional service.
Explore Our 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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