ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is an advanced nickel-chromium-molybdenum alloy that boasts precise elemental control, ensuring unparalleled performance across demanding industrial applications:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Engineered to maintain low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to significantly reduce the risk of cracking and enhance durability.
-
| 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.
- Yield Strength: ≥420 MPa, guaranteeing reliable load-bearing capabilities.
- Elongation: ≥27% for exceptional ductility.
- Impact Toughness: Offers superior resistance to fatigue and stress corrosion cracking, ideal for environments ranging from cryogenic to elevated temperatures.
3. Physical Properties
- Density: 8.4 g/cm³, providing a robust yet lightweight solution.
- Melting Range: 1290-1350°C, ensuring high-temperature resilience.
- Structure: Exhibits a face-centered cubic lattice, optimizing to stable Ni3(Nb,Ti) phases after heat treatment at ~650°C for enhanced structural integrity.
4. Key Features
- Corrosion Resistance: Unmatched resistance to pitting, crevice corrosion, and stress corrosion cracking in harsh chloride, acidic, and marine environments.
- High-Temperature Stability: Retains structural strength and oxidation resistance at temperatures soaring to 1800°F (982°C).
- Versatility: Perfectly suited for welding dissimilar metals, such as carbon steel to nickel alloys, and for surface cladding applications.
5. Welding Process Compatibility
- Methods: Seamlessly compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding techniques, adapting to varied operational needs.
- Shielding Gas: Utilizes argon or argon-helium mixtures for TIG/MIG processes; INCOFLUX 7 flux is highly recommended for SAW.
- Wire Diameters: Available in diameters from 0.8-3.2 mm, both in spooled and straight rod forms, catering to diverse application requirements.
6. Applications
- Industries: Extensively used across aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas industries (wellhead equipment).
- Materials Welded: Ideally welds materials like INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and facilitates dissimilar combinations like nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Adheres to rigorous standards, compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625.
- Certifications: Certified to the rigorous standards of ABS, NADCAP, and ISO 18274, ensuring unparalleled reliability in critical industries.
8. Handling & Storage
- Moisture Control: Maintain optimal dry conditions for storage; copper-coated variants boost conductivity, ensuring superior performance.
- Pre-Weld Prep: Thoroughly cleanse surfaces of oil, rust, and moisture; apply low heat input to prevent embrittlement and ensure integrity.
9. Packaging & Availability
- Packaging: Available in versatile spools (5-15 kg) or as straight rods, tailored to your specific needs.
- Lead Time: Efficient dispatch typically within 3-15 days, contingent on order volume, ensuring timely delivery.
Summary: ERNiCrMo-3 is a cutting-edge welding wire engineered for the most demanding environments, offering exceptional mechanical strength, corrosion resistance, and versatility across diverse industries.
Our advantages
1. Technological leadership: Innovative breakthroughs in patented formulas and advanced processes.
Exclusive alloy formula: Boasting a Dutch invention patent (patent number: 2029411), it masterfully balances corrosion resistance (salt spray test ≥ 1000 hours) and high temperature strength (tensile strength ≥ 790MPa) by precisely calibrating the nickel chromium molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%). Its performance surpasses the ASTM B166 standard.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) and nano polishing technology, it ensures the pure composition of the welding wire, with a surface smoothness of Ra ≤ 0.2 μm and tolerance control of ± 0.001mm, perfectly suited for high-precision automated welding.
2. Full scenario technical barriers: Meeting the high-end manufacturing standards.
Extreme environmental coverage: From deep-sea equipment with seawater corrosion resistance to aircraft engines with 1000°C high-temperature creep resistance, it excels in harsh conditions across petrochemicals, nuclear power, and new energy sectors.
Multi-functional compatibility: Efficiently supports the welding of dissimilar metals (e.g., nickel-based alloys, stainless steel, 9% Ni steel overlay welding), featuring uniform weld formation, 40% reduced hot crack sensitivity, and minimized subsequent processing costs.
3. Flexible production and full-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 swift response cycle of just 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line boasts a monthly capacity of 100 tons, ensuring regular orders are delivered within 15 days with an on-time rate of ≥ 98%.
Quality commitment: We conduct 12 stringent quality inspection processes from raw materials to finished products, achieving a defect rate of less than 0.05%, and comply with ISO 9001, CE, and other certifications.
Worry-free after-sales service:
Enjoy a 24-month ultra-long warranty and a 48-hour global technical response;
We offer welding process package development, technical guidance, and comprehensive quality traceability services.
________________________________________
Optimization Explanation
1. Structured layering: Integrate the original 'technological leadership' with 'unique formula technology,' organizing them logically under 'technology scene service' to emphasize the complete advantage loop from research and development to implementation.
2. Data quantification: Enhance credibility by incorporating strong indicators such as patent numbers, performance parameters, and defect rates.
3. Scenario-Based Expression: Illuminate the indispensable application value of our High-Performance Inconel 625 Welding Wire within critical fields such as petrochemicals and nuclear power. Showcase its remarkable ability to withstand extreme conditions, enhancing efficiency and safety. Highlight the formidable technical barriers that our product triumphs over, setting a new standard in the industry.
4. Service Differentiation: Elevate your experience with our refined customization capabilities and unparalleled after-sales terms. Our commitment to 'quick response & long-term guarantee' ensures not only swift solutions but also enduring partnerships, fortifying our competitive edge and delivering peace of mind to our valued customers.
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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