ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a high-performance nickel-chromium-molybdenum alloy, expertly formulated with precise elemental control:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Ultra-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 Strength: ≥760 MPa, ensuring robust structural integrity.
- Yield Strength: ≥420 MPa, providing reliable performance under stress.
- Elongation: ≥27%, offering excellent ductility.
- Impact Toughness: Remarkable resistance to fatigue and stress corrosion, ideal for diverse environments from cryogenic conditions to high temperatures.
3. Physical Properties
- Density: 8.4 g/cm³, reflecting its solid structure.
- Melting Range: 1290-1350°C, suitable for extreme temperature applications.
- Structure: Exhibits a face-centered cubic lattice, converting to stable Ni3(Nb,Ti) phases after heat treatment around 650°C.
4. Key Features
- Corrosion Resistance: Offers superior resistance against pitting, crevice corrosion, and stress corrosion cracking in chloride, acidic, and marine settings.
- High-Temperature Stability: Retains strength and resists oxidation up to 1800°F (982°C).
- Versatility: Ideal for welding dissimilar metals like carbon steel to nickel alloys, as well as for surface cladding applications.
5. Welding Process Compatibility
- Methods: Fully compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding techniques.
- Shielding Gas: Utilizes argon or argon-helium mixtures for TIG/MIG, with INCOFLUX 7 flux recommended for SAW.
- Wire Diameters: Available in 0.8-3.2 mm, either spooled or as straight rods.
6. Applications
- Industries: Perfect for aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) industries.
- Materials Welded: Efficiently welds INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and various dissimilar combinations such as nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Meets AWS A5.14, ASME SFA-5.14, and UNS N06625 standards.
- Certifications: Accredited by ABS, NADCAP, and ISO 18274, catering to critical industrial needs.
8. Handling & Storage
- Moisture Control: Ensure optimal performance by storing Inconel 625 Welding Wire in dry conditions. For enhanced conductivity, choose copper-coated variants which excel in preserving quality.
- Pre-Weld Prep: Prior to welding, meticulously clean all surfaces to remove oil, rust, and moisture. Employ a low heat input technique to prevent the risk of embrittlement, preserving the integrity of the weld.
9. Packaging & Availability
- Packaging: Our product is available in convenient spools ranging from 5-15 kg or as straight rods, accommodating various industrial needs.
- Lead Time: Orders typically dispatch within 3-15 days, contingent on quantity, ensuring timely delivery to meet your operational demands.
Summary: Discover the superior attributes of ERNiCrMo-3, a top-tier welding wire engineered for the most challenging environments. With exceptional mechanical strength, outstanding corrosion resistance, and versatile adaptability, it's the ideal choice across diverse industries.
Our advantages
1. Technological leadership: Our pioneering breakthroughs in patented formulas and processes set us apart.
Exclusive alloy formula: With a prestigious Dutch invention patent (patent number: 2029411), our exclusive formula achieves a remarkable balance of corrosion resistance (withstanding salt spray tests for ≥ 1000 hours) and high-temperature strength (tensile strength ≥ 790MPa). This is achieved by precisely calibrating the nickel-chromium-molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), resulting in performance that surpasses ASTM B166 standards.
Advanced process guarantee: Employing a dual metallurgical process (VIM+ESR) coupled with nano polishing technology, we assure a pure composition of welding wire with surface smoothness Ra ≤ 0.2 μm and tolerance control of ± 0.001mm, making it perfect for high-precision automated welding requirements.
2. Full scenario technical barriers: Perfectly tailored to meet the intricate demands of high-end manufacturing.
Extreme environmental coverage: From deep-sea equipment, resilient against seawater corrosion, to aircraft engines capable of withstanding 1000°C high-temperature creep, our product thrives in the severe conditions found in petrochemicals, nuclear power, and new energy sectors.
Multi-functional compatibility: Our product facilitates the welding of dissimilar metals, such as nickel-based alloys and stainless steel, including 9% Ni steel overlay welding. It ensures uniform, stable weld formation, reduces hot crack sensitivity by 40%, and lowers subsequent processing costs.
3. Flexible production and full cycle service
Customization capability: With an impressive 20 years of technological expertise, we offer flexible solutions for 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 substantial monthly capacity of 100 tons, fulfilling regular orders within 15 days with an impressive on-time delivery rate of ≥ 98%.
Quality commitment: We conduct 12 thorough quality inspection processes from raw materials to finished products, maintaining a defect rate below 0.05%, and proudly hold certifications such as ISO 9001 and CE.
Worry-free after-sales service:
Enjoy peace of mind with our extensive 24-month warranty and a global technical response time of 48 hours.
Benefit from our welding process package development, expert technical guidance, and comprehensive quality traceability services.
________________________________________
Optimization Explanation
1. Structured layering: By merging 'technological leadership' with 'unique formula technology', and organizing them under the logic of 'technology scene service', we emphasize the closed-loop benefits from R&D to application.
2. Data quantification: Incorporating tangible indicators like patent numbers, performance parameters, and defect rates enhances our credibility and trustworthiness.
3. Scenario-based expression: Clearly articulating the product's practical application value in areas such as petrochemicals and nuclear power underscores its technical superiority and distinguishes its unique advantages.
4. Service differentiation: Elevate your experience with our refined customization capabilities that precisely meet your specific needs. Benefit from our robust after-sales service, designed to enhance our competitiveness through swift response times and a commitment to long-term guarantees, ensuring your satisfaction and trust.
Explore our diverse array of other major products in the same category, each engineered with precision to meet the highest industry standards and cater to a wide range of needs, ensuring exceptional performance 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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