ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a nickel-chromium-molybdenum alloy crafted with meticulous precision in its elemental formula, delivering unmatched performance in even the most demanding environments:
- Primary ElementsA robust blend of Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%) creates an alloy of exceptional strength and durability.
- ImpuritiesMaintaining purity with minimal impurities: Iron (Fe ≤1.0%), Sulfur (S ≤0.02%), and Phosphorus (P ≤0.015%) helps minimize cracking, ensuring longevity and reliability.
-
| 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 StrengthAn impressive tensile strength of ≥760 MPa guarantees resilience under pressure.
- Yield StrengthYield strength of ≥420 MPa provides robust structural integrity.
- ElongationElongation at ≥27% offers significant flexibility and resistance to breaking.
- Impact ToughnessRenowned for high resistance to fatigue and stress corrosion cracking, this wire excels from cryogenic conditions to high-temperature applications, ensuring performance under various conditions.
3. Physical Properties
- DensityWith a density of 8.4 g/cm³, the wire provides balance between mass and performance.
- Melting RangeThe melting range of 1290-1350°C highlights its suitability for high-heat applications.
- StructureFeaturing a face-centered cubic lattice, it transitions gracefully to stable Ni3(Nb,Ti) phases after a heat treatment at approximately 650°C, optimizing its mechanical properties.
4. Key Features
- Corrosion ResistanceExpertly engineered to resist pitting, crevice corrosion, and stress corrosion cracking, it performs superbly in chloride-rich, acidic, and marine environments.
- High-Temperature StabilityMaintains formidable strength and oxidation resistance up to 1800°F (982°C), ensuring stability in high-heat scenarios.
- VersatilityIdeal for welding dissimilar metals like carbon steel to nickel alloys and perfect for precision surface cladding, demonstrating remarkable versatility.
5. Welding Process Compatibility
- MethodsCompatible with various welding methods including TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding, offering flexibility for diverse industrial needs.
- Shielding GasUtilize argon or argon-helium mixtures for TIG/MIG, while INCOFLUX 7 flux is recommended for SAW, ensuring optimal shielding and weld quality.
- Wire DiametersAvailable in diameters ranging from 0.8-3.2 mm, offered in both spooled and straight rod forms to accommodate varying industrial requirements.
6. Applications
- IndustriesServicing a wide array of industries, including aerospace (for engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment), showcasing its broad applicability.
- Materials WeldedExpertly designed for welding materials like INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and dissimilar combinations such as nickel alloys to stainless steel, ensuring versatility and reliability.
7. Standards & Certifications
- AWS/ASMECompliant with rigorous standards including AWS A5.14, ASME SFA-5.14, and UNS N06625, guaranteeing quality and performance.
- CertificationsCarries essential certifications such as ABS, NADCAP, and ISO 18274, ensuring it meets the requirements of critical industries for trust and reliability.
8. Handling & Storage
- Moisture Control: To maintain peak performance and reliability, ensure storage in dry conditions. Opt for copper-coated variants to significantly enhance conductivity.
- Pre-Weld Prep: Prior to welding, meticulously clean surfaces to remove all traces of oil, rust, and moisture. Employ low heat input to prevent embrittlement and maintain the integrity of the weld.
9. Packaging & Availability
- Packaging: Available in convenient spools ranging from 5-15 kg, or as straight rods, to suit various industrial needs.
- Lead Time: Efficient delivery, with shipments typically dispatched within 3-15 days, contingent on the order quantity, ensuring you can meet project schedules seamlessly.
Summary: ERNiCrMo-3 is an exceptional choice for those who demand a welding wire engineered to thrive in extreme environments. It melds superior mechanical properties with outstanding corrosion resistance and boasts adaptability across a range of industries.
Our advantages
1. Technological leadership: Our innovative breakthroughs in patented formulas and processes set us apart.
Exclusive alloy formula: With a prestigious Dutch invention patent (patent number: 2029411), our alloy strikes a perfect balance between corrosion resistance (salt spray test ≥ 1000 hours) and high-temperature strength (tensile strength ≥ 790MPa). This is achieved by precisely optimizing the nickel-chromium-molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), delivering performance that surpasses the ASTM B166 standard.
Advanced process guarantee: By adopting a dual metallurgical process (VIM+ESR) along with nano polishing technology, we ensure a pure composition of the welding wire, with surface smoothness Ra ≤ 0.2 μ m and tolerance control within ± 0.001mm, making it ideal for high-precision automated welding applications.
2. Full scenario technical barriers: Our products seamlessly adapt to the demands of high-end manufacturing.
Extreme environmental coverage: From withstanding seawater corrosion in deep-sea equipment to providing 1000 ° C high-temperature creep resistance in aircraft engines, our solutions excel under the harshest conditions in sectors like petrochemicals, nuclear power, and new energy.
Multi-functional compatibility: Expertly engineered to support welding of dissimilar metals (such as nickel-based alloys and stainless steel, 9% Ni steel overlay welding), our products ensure uniform and stable weld formations, reducing sensitivity to hot cracks by 40% and lowering subsequent processing costs.
3. Flexible production and full-cycle service
Customization capability: Leveraging nearly two decades of technological expertise, we offer flexible solutions with non-standard specifications (diameter 0.6-4.0mm) and special coatings, delivering a response cycle that can be as short as 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our state-of-the-art, fully automated production line achieves a remarkable monthly capacity of 100 tons, with regular orders delivered within 15 days and an impressive on-time rate of ≥ 98%.
Quality commitment: We uphold the highest standards, conducting 12 quality inspection processes from raw materials to finished products, achieving a defect rate of less than 0.05%, and meeting ISO 9001, CE, and other certifications.
Worry-free after-sales service:
Benefit from a 24-month ultra-long warranty, along with a 48-hour global technical response.
We offer comprehensive welding process package development, technical guidance, and quality traceability services to ensure your continued success.
________________________________________
Optimization Explanation
1. Structured layering: Seamlessly integrate 'technological leadership' with 'unique formula technology', organizing it according to the logical flow of 'technology scene service'. This highlights the closed-loop advantage from research and development right through to implementation.
2. Data quantification: By reinforcing with tangible metrics such as patent numbers, performance parameters, and defect rates, we enhance our credibility and trustworthiness.
3. Scenario-based expression: Clearly articulate the product's practical application value in industries like petrochemicals and nuclear power, underscoring the formidable technical barriers we overcome.
4. Service Differentiation: Elevate your experience with our enhanced customization capabilities and seamless after-sales support. We offer a superior competitive edge through 'quick response & long-term guarantee,' ensuring your needs are met with precision and care.
Explore Our Other Major Offerings 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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