ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a state-of-the-art nickel-chromium-molybdenum alloy meticulously crafted with precision elemental control to ensure unparalleled performance in critical welding environments:
- Primary Elements: Stellar composition featuring Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%) for superior durability.
- Impurities: Engineered with minimal impurities: low iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) to significantly reduce the risk of cracking.
-
| 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: Impressively robust with a tensile strength of ≥760 MPa, ready to withstand demanding conditions.
- Yield Strength: High yield strength of ≥420 MPa ensures reliable performance in various applications.
- Elongation: Offers excellent flexibility with an elongation of ≥27%, accommodating extensive deformation without failure.
- Impact Toughness: Delivers outstanding resistance to fatigue and stress corrosion cracking, making it ideal for applications ranging from cryogenic to high temperatures.
3. Physical Properties
- Density: A solid density of 8.4 g/cm³ ensures compact and consistent material integrity.
- Melting Range: Wide melting range from 1290-1350°C accommodates diverse processing conditions.
- Structure: Exhibits a face-centered cubic lattice, transitioning into stable Ni3(Nb,Ti) phases post heat-treatment at ~650°C, enhancing stability.
4. Key Features
- Corrosion Resistance: Offers exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in harsh chloride, acidic, and marine environments.
- High-Temperature Stability: Maintains exceptional strength and oxidation resistance up to intense temperatures of 1800°F (982°C).
- Versatility: Unrivaled versatility for welding dissimilar metals such as carbon steel to nickel alloys and for surface cladding applications.
5. Welding Process Compatibility
- Methods: Seamlessly compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding techniques.
- Shielding Gas: Optimal performance with Argon or argon-helium mixtures for TIG/MIG; INCOFLUX 7 flux is recommended for SAW.
- Wire Diameters: Available in versatile diameters from 0.8-3.2 mm, offered as spooled or straight rods.
6. Applications
- Industries: Widely utilized in aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) sectors.
- Materials Welded: Perfectly suited for welding INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, as well as dissimilar combinations such as nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Fully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards for assured quality.
- Certifications: Holds prestigious certifications like ABS, NADCAP, and ISO 18274, affirming its suitability for critical industries.
8. Handling & Storage
- Moisture Control: Ensure optimal product longevity by storing in dry conditions. Copper-coated variants are engineered to enhance conductivity, elevating performance standards.
- Pre-Weld Prep: To achieve impeccable weld quality, meticulously clean surfaces of oil, rust, and moisture. Utilize a low heat input strategy to prevent embrittlement, ensuring structural integrity.
9. Packaging & Availability
- Packaging: Available in versatile packaging options such as spools ranging from 5 to 15 kg, or as straight rods, tailored to meet various industrial needs.
- Lead Time: Expedient shipping with delivery timelines typically ranging from 3 to 15 days, contingent on order quantities and logistical considerations.
Summary: The ERNiCrMo-3 welding wire is a top-tier solution, crafted specifically for demanding environments. It boasts exceptional mechanical strength, superior corrosion resistance, and is versatile across diverse industries.
Our advantages
1. Technological leadership: We lead with groundbreaking patented formulas and cutting-edge processes that elevate standards.
Exclusive alloy formula: Proud holder of a Dutch invention patent (patent number: 2029411), this alloy achieves unmatched corrosion resistance (enduring salt spray tests of over 1000 hours) and robust high-temperature strength (tensile strength exceeding 790MPa). This is accomplished through precise calibration of nickel, chromium, and molybdenum ratios (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing ASTM B166 standards.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) and state-of-the-art nano polishing, we ensure ultra-pure welding wire compositions with a surface smoothness of Ra ≤ 0.2 μm and tight tolerance controls of ± 0.001mm, fulfilling high-precision automated welding requirements.
2. Full scenario technical barriers: Designed to meet the intricate demands of high-end manufacturing across a spectrum of applications.
Extreme environmental coverage: From deep-sea applications resisting seawater corrosion to high-altitude aircraft engines enduring 1000°C high-temperature creep, our product excels under the harshest conditions, serving sectors like petrochemicals, nuclear power, and new energy.
Multi functional compatibility: Expertly engineered to facilitate welding of diverse metals, including nickel-based alloys and stainless steel, with a notable 40% reduction in hot crack sensitivity, delivering consistent weld quality and reducing subsequent processing costs.
3. Flexible production and full cycle service
Customization capability: Harnessing nearly two decades of technological expertise, we offer bespoke solutions in non-standard specifications (diameter range: 0.6-4.0mm) and specialized coatings, with a response cycle reduced to a mere 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line boasts a capacity of 100 tons per month, ensuring regular orders are fulfilled within 15 days with an impressive on-time delivery rate of ≥ 98%.
Quality commitment: Rigorous adherence to 12 quality inspection processes from raw material to final product, yielding a defect rate below 0.05%, alongside certifications like ISO 9001 and CE.
Worry free after-sales service:
Enjoy peace of mind with a 24-month extended warranty and rapid 48-hour global technical support.
We offer comprehensive welding process package development, expert technical guidance, and robust quality traceability services.
________________________________________
Optimization Explanation
1. Structured layering: Synthesize the 'technological leadership' with 'unique formula technology' and structure them logically under 'technology scene service', showcasing the end-to-end advantages from R&D to realization.
2. Data quantification: Enhance credibility through quantifiable metrics such as patent numbers, performance parameters, and defect rates.
3. Scenario based expression: Clearly delineate the real-world application value of the product in industries like petrochemicals and nuclear power, emphasizing the technical hurdles it overcomes.
4. Service differentiation: Elevate customization capabilities and refine after-sales terms to bolster our competitive edge with a 'quick response & long-term guarantee'. Experience unparalleled service that sets us apart in the industry.
Explore our other major products within the same category, each crafted to meet diverse needs with exceptional quality and innovation.
| 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 |
Audited Supplier 
){kind=link}