ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a nickel-chromium-molybdenum alloy with precise elemental control to ensure high performance:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Low iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to minimize 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 Strength: ≥760 MPa .
- Yield Strength: ≥420 MPa .
- Elongation: ≥27%
- Impact Toughness: High resistance to fatigue and stress corrosion cracking, suitable for cryogenic to high-temperature applications.
3. Physical Properties
- Density: 8.4 g/cm³ .
- Melting Range: 1290-1350°C .
- Structure: Face-centered cubic lattice, transitioning to stable Ni3(Nb,Ti) phases after heat treatment at ~650°C.
4. Key Features
- Corrosion Resistance: Excellent resistance to pitting, crevice corrosion, and stress corrosion cracking in chloride, acidic, and marine environments .
- High-Temperature Stability: Maintains strength and oxidation resistance up to 1800°F (982°C) .
- Versatility: Suitable for welding dissimilar metals (e.g., carbon steel to nickel alloys) and surface cladding .
5. Welding Process Compatibility
- Methods: Compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding
- Shielding Gas: Argon or argon-helium mixtures for TIG/MIG; INCOFLUX 7 flux recommended for SAW .
- Wire Diameters: 0.8-3.2 mm (spooled or straight rods).
6. Applications
- Industries: Aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) .
- Materials Welded: INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and dissimilar combinations (e.g., nickel alloys to stainless steel) .
7. Standards & Certifications
- AWS/ASME: Compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 .
- Certifications: ABS, NADCAP, and ISO 18274 for critical industries.
8. Handling & Storage
- Moisture Control: Store in dry conditions; copper-coated variants improve conductivity.
- Pre-Weld Prep: Clean surfaces of oil, rust, and moisture; use low heat input to avoid embrittlement .
9. Packaging & Availability
- Packaging: Spools (5-15 kg) or straight rods.
- Lead Time: Typically ships within 3-15 days, depending on quantity.
Summary: ERNiCrMo-3 is a premium welding wire tailored for extreme environments, combining robust mechanical properties, corrosion resistance, and adaptability across industries.
Our advantages
1. Technological leadership: breakthroughs in patented formulas and processes
Exclusive alloy formula: Possessing a Dutch invention patent (patent number: 2029411), it achieves a perfect balance between corrosion resistance (salt spray test ≥ 1000 hours) and high temperature strength (tensile strength ≥ 790MPa) by precisely adjusting the nickel chromium molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), with performance superior to ASTM B166 standard.
Advanced process guarantee: Adopting dual metallurgical process (VIM+ESR) and nano polishing technology, ensuring pure composition of welding wire, surface smoothness Ra ≤ 0.2 μ m, tolerance control ± 0.001mm, suitable for high-precision automated welding requirements.
2. Full scenario technical barriers: adapting to high-end manufacturing needs
Extreme environmental coverage: From deep-sea equipment (resistant to seawater corrosion) to aircraft engines (1000 ° C high-temperature creep resistance), it meets the harsh working conditions in fields such as petrochemicals, nuclear power, and new energy.
Multi functional compatibility: Supports welding of dissimilar metals (such as nickel based alloys stainless steel, 9% Ni steel overlay welding), with uniform and stable weld formation, reduced sensitivity to hot cracks by 40%, and reduced subsequent processing costs.
3. Flexible production and full cycle service
Customization capability: With nearly 20 years of technological accumulation, we can flexibly provide non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a response cycle shortened to 3 days.
Dual guarantee of delivery and quality control:
Stable production: The fully automated production line achieves a monthly capacity of 100 tons, with regular orders delivered within 15 days and a on-time rate of ≥ 98%;
Quality commitment: Perform 12 quality inspection processes from raw materials to finished products, with a defect rate of less than 0.05%, and pass ISO 9001, CE and other certifications.
Worry free after-sales service:
24 months of ultra long warranty, 48 hours of global technical response;
Provide welding process package development, technical guidance, and quality traceability services.
________________________________________
Optimization Explanation
1.Structured layering: Merge the original "technological leadership" with "unique formula technology", and layer them according to the logic of "technology scene service", highlighting the closed-loop advantages from research and development to implementation.
2. Data quantification: Supplement hard indicators such as patent numbers, performance parameters, and defect rates to enhance credibility.
3. Scenario based expression: Clarify the actual application value of the product in fields such as petrochemicals and nuclear power, and highlight technical barriers.
4. Service differentiation: Refine customization capabilities and after-sales terms, strengthen the competitiveness of "quick response & long-term guarantee".
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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