ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a premium nickel-chromium-molybdenum alloy with meticulously controlled elemental composition, ensuring superior performance and reliability:
- Primary ElementsNickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- ImpuritiesFeatures low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to significantly reduce cracking risks.
-
| 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 StrengthA remarkable ≥760 MPa, offering robust strength under demanding conditions.
- Yield StrengthImpressive ≥420 MPa, delivering reliable performance in various applications.
- ElongationAchieves ≥27%, ensuring excellent ductility and adaptability.
- Impact ToughnessExhibits high resistance to fatigue and stress corrosion cracking, making it ideal for both cryogenic and high-temperature conditions.
3. Physical Properties
- DensityPrecisely 8.4 g/cm³, ensuring material consistency and integrity.
- Melting RangeBroad range of 1290-1350°C, supporting diverse welding applications.
- StructureUtilizes a face-centered cubic lattice, transitioning to stable Ni3(Nb,Ti) phases post-heat treatment around ~650°C.
4. Key Features
- Corrosion ResistanceOutstanding resistance to pitting, crevice corrosion, and stress corrosion cracking, especially in chloride, acidic, and marine settings.
- High-Temperature StabilityRetains exceptional strength and oxidation resistance up to 1800°F (982°C), ensuring reliability in extreme conditions.
- VersatilityExpertly suited for welding dissimilar metals (e.g., carbon steel to nickel alloys) and surface cladding, extending its usability across industries.
5. Welding Process Compatibility
- MethodsCompatible with advanced welding techniques like TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, ensuring flexibility in application.
- Shielding GasUtilizes Argon or argon-helium mixtures for TIG/MIG; INCOFLUX 7 flux is recommended for SAW to optimize welding results.
- Wire DiametersOffered in versatile diameters from 0.8-3.2 mm, available as spooled or straight rods.
6. Applications
- IndustriesAerospace (e.g., engine components, exhaust systems), chemical processing (e.g., reactors, pipelines), marine (e.g., valves, seawater systems), and oil/gas (e.g., wellhead equipment) stand to benefit from this wire's superior properties.
- Materials WeldedExpertly welds INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations such as nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASMEFully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards, ensuring global acceptance and reliability.
- CertificationsCertified by ABS, NADCAP, and ISO 18274, underscoring its suitability for critical industry applications.
8. Handling & Storage
- Moisture Control: It is essential to store the Inconel 625 MIG Wire in dry conditions to maintain its optimal quality and performance. The copper-coated variants enhance conductivity, ensuring efficient energy transfer during welding.
- Pre-Weld Prep: Thoroughly clean surfaces of oil, rust, and any moisture before welding. This is crucial to achieving superior weld quality. Utilize low heat input to prevent embrittlement, ensuring a durable and reliable joint.
9. Packaging & Availability
- Packaging: Available in convenient spools ranging from 5 to 15 kg or as straight rods, providing flexibility to suit various welding needs.
- Lead Time: With efficiency in mind, orders typically ship within a rapid timeframe of 3 to 15 days, depending on the quantity required.
Summary: ERNiCrMo-3 is a top-tier welding wire specifically engineered for extreme environments. It merges robust mechanical properties and outstanding corrosion resistance with unrivaled adaptability, making it suitable for a multitude of industries.
Our advantages
1. Technological leadership: We spearhead innovation with groundbreaking patented formulas and cutting-edge processes.
Exclusive alloy formula: Armed with a Dutch invention patent (patent number: 2029411), our formula strikes a perfect balance between exceptional corrosion resistance (enduring salt spray tests ≥ 1000 hours) and formidable high-temperature strength (tensile strength ≥ 790MPa). This is achieved by precisely adjusting the nickel-chromium-molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), delivering performance that surpasses ASTM B166 standards.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) combined with nano polishing technology, we ensure a pure composition in our welding wire. The surface smoothness achieves Ra ≤ 0.2 μm, with tolerance control at ± 0.001mm, making it ideal for high-precision automated welding applications.
2. Full scenario technical barriers: Our product adapts seamlessly to high-end manufacturing requirements.
Extreme environmental coverage: Performing excellently from deep-sea equipment—resistant to seawater corrosion—to aircraft engines withstanding 1000°C high-temperature creep, it is perfectly suited for harsh conditions in industries such as petrochemicals, nuclear power, and new energy sectors.
Multi-functional compatibility: It supports welding of dissimilar metals, including nickel-based alloys and stainless steel, as well as 9% Ni steel overlay welding. It ensures 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 advancement, we provide non-standard specifications (diameter 0.6-4.0mm) and special 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 remarkable monthly capacity of 100 tons, ensuring regular orders are delivered within 15 days with an impressive on-time rate of ≥ 98%.
Quality commitment: We conduct 12 meticulous quality inspection processes from raw materials to finished products, maintaining a defect rate of less than 0.05%. Our products are certified by ISO 9001, CE, and other esteemed certifications.
Worry-free after-sales service:
We offer an extensive 24-month warranty and a 48-hour global technical response.
Our value-added services include welding process package development, technical guidance, and quality traceability.
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Optimization Explanation
1. Structured layering: We seamlessly integrate 'technological leadership' with 'unique formula technology', organizing them logically around 'technology scene service', showcasing our competitive advantage from R&D through implementation.
2. Data quantification: By incorporating specific metrics such as patent numbers, performance parameters, and defect rates, we enhance the credibility and trust in our offerings.
3. Scenario-based expression: We clearly articulate the product's real-world application benefits in sectors like petrochemicals and nuclear power, underscoring its technological prowess and market distinction.
4. Service differentiation: Elevate your experience with our refined customization capabilities and enhanced after-sales terms. We strengthen our competitive edge with a promise of 'quick response & long-term guarantee', ensuring unparalleled customer satisfaction and peace of mind.
Explore our other major products in the same category, crafted with precision and excellence to meet your diverse needs.
| 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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