ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a sophisticated nickel-chromium-molybdenum alloy engineered with precise elemental control, ensuring unparalleled performance and reliability:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Significantly low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) are maintained to effectively minimize the risks 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, offering remarkable resistance to deformation under tension.
- Yield Strength: ≥420 MPa, ensuring robust performance under stress.
- Elongation: ≥27%, demonstrating excellent ductility for various applications.
- Impact Toughness: Exhibits high resistance to fatigue and stress corrosion cracking, making it ideal for use from cryogenic temperatures to high-temperature environments.
3. Physical Properties
- Density: 8.4 g/cm³, providing a solid foundation for performance and durability.
- Melting Range: 1290-1350°C, suitable for a wide range of extreme applications.
- Structure: Features a face-centered cubic lattice that transitions to stable Ni3(Nb,Ti) phases after heat treatment at ~650°C, enhancing its structural integrity.
4. Key Features
- Corrosion Resistance: Offers excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in environments that are chloride, acidic, or marine-based.
- High-Temperature Stability: Retains strength and oxidation resistance up to 1800°F (982°C), ensuring dependability in extreme heat conditions.
- Versatility: Adaptable for welding dissimilar metals such as carbon steel to nickel alloys and for surface cladding, showcasing its multifaceted utility.
5. Welding Process Compatibility
- Methods: Fully compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, offering flexibility for various welding requirements.
- Shielding Gas: Argon or argon-helium mixtures recommended for TIG/MIG; INCOFLUX 7 flux is ideal for SAW, optimizing welding operations.
- Wire Diameters: Available in diameters from 0.8-3.2 mm, offered in both spooled and straight rod forms, catering to diverse welding needs.
6. Applications
- Industries: Perfect for aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) applications.
- Materials Welded: Ideally welds INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and dissimilar combinations such as nickel alloys to stainless steel, ensuring optimal performance across materials.
7. Standards & Certifications
- AWS/ASME: Fully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards, guaranteeing quality and reliability.
- Certifications: Certified by ABS, NADCAP, and ISO 18274, this product is crafted to meet the stringent demands of critical industries, ensuring unparalleled reliability and performance.
8. Handling & Storage
- Moisture Control: For optimal performance, store in dry conditions. The copper-coated variants are designed to enhance conductivity, ensuring consistent and efficient welding results.
- Pre-Weld Prep: Ensure surfaces are meticulously cleaned of oil, rust, and moisture. Employ low heat inputs to preclude embrittlement, guaranteeing a flawless weld every time.
9. Packaging & Availability
- Packaging: Available in convenient spools (5-15 kg) or straight rods, catering to diverse welding needs.
- Lead Time: Efficient delivery with typical shipping within 3-15 days, tailored to your quantity needs.
Summary: The ERNiCrMo-3 welding wire stands out as a superior choice for challenging environments, offering robust mechanical strength, exceptional corrosion resistance, and versatile industry applications.
Our advantages
1. Technological leadership: We pioneer innovations in patented formulas and cutting-edge processes.
Exclusive alloy mastery: Holder of a prestigious Dutch invention patent (patent number: 2029411). Our unique alloy formula achieves a harmonious blend of corrosion resistance (salt spray test ≥ 1000 hours) and outstanding high temperature tensile strength (≥ 790MPa). This is achieved by the precise adjustment of nickel, chromium, and molybdenum ratios (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing ASTM B166 standards.
Advanced process assurance: By using a dual metallurgical process (VIM+ESR) and nano polishing technology, we ensure a pure composition with surface smoothness Ra ≤ 0.2 μm, and precision tolerance control ± 0.001mm, making it perfectly compatible with high-precision automated welding applications.
2. Full scenario technical barriers: Tailored to meet high-end manufacturing demands.
Extreme environmental adaptability: Our product thrives in demanding conditions, from deep-sea equipment resisting seawater corrosion to aircraft engines withstanding 1000°C high-temperature creep. It's ideal for sectors like petrochemicals, nuclear power, and new energy.
Multifunctional compatibility: Capable of welding dissimilar metals such as nickel-based alloys, stainless steel, and 9% Ni steel overlay welding. It promotes uniform weld formation, decreasing hot crack sensitivity by 40% and reducing subsequent processing expenses.
3. Flexible production and full cycle service
Customization prowess: With nearly two decades of technological expertise, we offer flexible, non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a rapid response cycle reduced to just 3 days.
Dual guarantee of delivery and quality control:
Steady production: Our state-of-the-art automated production line achieves a monthly capacity of 100 tons. Regular orders are fulfilled within 15 days with an on-time delivery rate of ≥ 98%.
Quality assurance: We conduct 12 thorough quality inspection processes from raw materials to final products, maintaining a defect rate under 0.05%. Our products meet ISO 9001, CE, and other certifications.
Worry-free after-sales service:
Enjoy a 24-month extended warranty and a swift global technical response within 48 hours.
We also provide comprehensive welding process package development, expert technical guidance, and quality traceability services.
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Optimization Explanation
1. Structured layering: Weave together 'technological leadership' with 'exclusive formula technology', arranged logically as 'technology, scene, service', accentuating the closed-loop advantages from R&D to execution.
2. Data quantification: Enhance credibility by adding precise data such as patent numbers, performance metrics, and defect rates.
3. Scenario-based expression: Illuminate the exceptional practical application and indispensable value of Durable Inconel 625 MIG Wire in demanding fields such as petrochemicals and nuclear power. Emphasize the formidable technical barriers it overcomes, showcasing its unparalleled strength and reliability in challenging environments.
4. Service differentiation: Elevate your experience with our refined customization capabilities and robust after-sales terms, designed to enhance our competitive edge. Our 'quick response & long-term guarantee' ensures you receive immediate attention and sustained peace of mind, setting us apart in the industry.
Other major products in the same category: Discover an array of premier products alongside our Durable Inconel 625 MIG Wire, each crafted for superior performance and reliability. Explore our comprehensive selection to find the perfect solution tailored to your specific needs within this 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 |





