ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a meticulously crafted nickel-chromium-molybdenum alloy with precise elemental control to deliver extraordinary high performance, ensuring reliability in demanding applications:
- Primary Elements: Featuring Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%) for optimal alloying.
- Impurities: Designed with low concentrations of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to significantly minimize cracking risks, promoting product longevity and integrity.
-
| 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: Exceptional tensile strength of ≥760 MPa, providing durability and robustness even under high stress.
- Yield Strength: Consistently high yield strength of ≥420 MPa, ensuring reliability in tough environments.
- Elongation: Exhibits remarkable elongation of ≥27%, enhancing flexibility for various applications.
- Impact Toughness: Displays outstanding resistance to fatigue and stress corrosion cracking, making it suitable for applications ranging from cryogenic to high temperatures.
3. Physical Properties
- Density: A compact density of 8.4 g/cm³, contributing to its stability and performance.
- Melting Range: Broad melting range of 1290-1350°C, offering versatility in multiple thermal scenarios.
- Structure: Features a face-centered cubic lattice, transitioning into stable Ni3(Nb,Ti) phases post-heat treatment around ~650°C, guaranteeing structural integrity.
4. Key Features
- Corrosion Resistance: Exceptional resistance to various forms of corrosion such as pitting, crevice, and stress corrosion in harsh chloride, acidic, and marine environments.
- High-Temperature Stability: Impressively maintains strength and oxidation resistance at elevated temperatures up to 1800°F (982°C), ensuring reliable performance.
- Versatility: Adaptable for welding dissimilar metals such as carbon steel to nickel alloys and efficient surface cladding, widening its application scope.
5. Welding Process Compatibility
- Methods: Seamlessly compatible with various welding methods including TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, offering flexibility and convenience.
- Shielding Gas: Utilizes argon or argon-helium mixtures for TIG/MIG; INCOFLUX 7 flux is recommended for SAW, optimizing the welding process.
- Wire Diameters: Available in a range of diameters, 0.8-3.2 mm, either spooled or straight rods to suit different welding needs.
6. Applications
- Industries: Perfectly suited for diverse industries such as aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment).
- Materials Welded: Ideal for welding materials like INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, plus dissimilar combinations (e.g., nickel alloys to stainless steel).
7. Standards & Certifications
- AWS/ASME: Fully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625, ensuring adherence to industry standards.
- Certifications: Boasts certifications from ABS, NADCAP, and ISO 18274, meeting the stringent requirements of critical industries.
8. Handling & Storage
- Moisture Control: Ensure optimal performance by storing in dry conditions. Copper-coated variants significantly enhance conductivity, making them ideal for demanding applications.
- Pre-Weld Prep: Ensure surfaces are meticulously cleaned of oil, rust, and moisture. Employ low heat input techniques to prevent embrittlement and maintain material integrity.
9. Packaging & Availability
- Packaging: Available in versatile formats such as spools (5-15 kg) or straight rods, catering to diverse welding requirements.
- Lead Time: Expedient delivery with typical shipping times between 3-15 days, subject to order quantity.
Summary: ERNiCrMo-3 welding wire is engineered for extreme environments. It boasts outstanding mechanical properties, corrosion resistance, and cross-industry adaptability, making it an industry leader.
Our advantages
1. Technological leadership: Our groundbreaking patented formulas and processes set us apart.
Exclusive alloy formula: Featuring a Dutch invention patent (2029411), our alloy achieves exceptional corrosion resistance (salt spray test ≥ 1000 hours) and high-temperature strength (tensile strength ≥ 790MPa). This is achieved by precisely balancing the nickel-chromium-molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing ASTM B166 standards.
Advanced process guarantee: Utilizing dual metallurgical processes (VIM+ESR) and nano polishing technology, we ensure the welding wire's purity and smooth surface (Ra ≤ 0.2 μm) with precise tolerance control (±0.001mm), ideal for high-precision automated welding.
2. Full scenario technical barriers: Tailored for high-end manufacturing requirements.
Extreme environmental coverage: From deep-sea equipment to aircraft engines, our products withstand seawater corrosion and 1000°C high-temperature creep resistance, serving industries like petrochemicals, nuclear power, and new energy.
Multi-functional compatibility: Enables welding of dissimilar metals (nickel-based alloys, stainless steel, 9% Ni steel overlay), ensuring uniform weld formation, reducing hot crack sensitivity by 40%, and lowering processing costs.
3. Flexible production and full cycle service
Customization capability: With two decades of expertise, we offer non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a rapid 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, delivering regular orders within 15 days with an on-time rate of ≥ 98%.
Quality commitment: Our rigorous 12-step quality inspection process from raw materials to finished products ensures a defect rate under 0.05%, backed by ISO 9001, CE, and other certifications.
Worry-free after-sales service:
Enjoy peace of mind with our 24-month extended warranty and 48-hour global technical response time.
We provide comprehensive welding process package development, expert technical guidance, and quality traceability services.
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Optimization Explanation
1. Structured layering: We've merged 'technological leadership' with 'unique formula technology' and organized content according to the logic of 'technology scene service,' showcasing our closed-loop advantage from R&D to implementation.
2. Data quantification: We've included hard data such as patent numbers, performance parameters, and defect rates to bolster credibility.
3. Scenario-based expression: We've clarified the product's real-world applications in industries like petrochemicals and nuclear power, emphasizing technical barriers and advantages.
4. Service differentiation: Elevate your experience with our refined customization capabilities and comprehensive after-sales terms, designed to enhance competitiveness through 'quick response & long-term guarantee', ensuring unparalleled satisfaction and peace of mind.
Other major products in the same category: Explore our diverse range of innovative solutions tailored for high-performance environments, each meticulously engineered to meet and exceed industry standards, ensuring exceptional quality and reliability.
| 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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