ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is an exceptional nickel-chromium-molybdenum alloy meticulously crafted with precise elemental control, ensuring remarkable performance and reliability in demanding applications:
- 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 significantly minimize cracking risks and ensure structural integrity.
-
| 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: Exhibits high resistance to fatigue and stress corrosion cracking, making it exceptionally suitable for applications ranging from cryogenic to high-temperature environments.
3. Physical Properties
- Density: 8.4 g/cm³ .
- Melting Range: 1290-1350°C .
- Structure: Features a face-centered cubic lattice, progressing to stable Ni3(Nb,Ti) phases post heat treatment at approximately 650°C, ensuring robust structural stability.
4. Key Features
- Corrosion Resistance: Boasts outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking in challenging chloride, acidic, and marine environments.
- High-Temperature Stability: Retains strength and exhibits excellent oxidation resistance up to 1800°F (982°C), ideal for high-temperature service.
- Versatility: Perfectly suited for welding dissimilar metals such as carbon steel to nickel alloys, including surface cladding.
5. Welding Process Compatibility
- Methods: Seamlessly compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding processes.
- Shielding Gas: Utilizes argon or argon-helium mixtures for TIG/MIG; INCOFLUX 7 flux is recommended for optimal SAW performance.
- Wire Diameters: Available in 0.8-3.2 mm, offered as spooled or straight rods for versatile application.
6. Applications
- Industries: Highly sought-after in aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) sectors.
- Materials Welded: Efficiently welds INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and 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 to ensure quality and reliability.
- Certifications: Our product meets the stringent standards of ABS, NADCAP, and ISO 18274, making it ideal for use in critical industries that demand the highest quality and reliability.
8. Handling & Storage
- Moisture Control: Ensure that products are stored in dry conditions to maintain their integrity. Our copper-coated variants offer enhanced conductivity, elevating performance in demanding applications.
- Pre-Weld Prep: For optimal results, thoroughly clean all surfaces of oil, rust, and moisture. Utilize low heat input to prevent embrittlement and ensure a flawless weld.
9. Packaging & Availability
- Packaging: Available in convenient spools ranging from 5 to 15 kg or as straight rods, catering to various preferences and requirements.
- Lead Time: Orders typically ship within a swift 3 to 15 days, contingent upon the order's size, ensuring timely delivery.
Summary: The ERNiCrMo-3 welding wire stands out as a premium, high-performance solution for extreme environments, boasting superior mechanical properties, outstanding corrosion resistance, and versatile adaptability across multiple industries.
Our advantages
1. Technological leadership: Spearheading innovation with groundbreaking patented formulas and processes.
Exclusive alloy formula: Backed by a prestigious Dutch invention patent (patent number: 2029411), our alloy formula precisely balances corrosion resistance (salt spray test ≥ 1000 hours) and high-temperature strength (tensile strength ≥ 790MPa), surpassing ASTM B166 standards with an optimal nickel chromium molybdenum ratio (Ni ≥ 58%, Cr 20-23%, Mo 8-10%).
Advanced process guarantee: Utilizing dual metallurgical processes (VIM+ESR) and nano polishing technology to ensure the purest composition of welding wire, unmatched surface smoothness Ra ≤ 0.2 μm, and precise tolerance control ± 0.001mm, our products are ideal for high-precision automated welding applications.
2. Full scenario technical barriers: Tailored to meet high-end manufacturing challenges.
Extreme environmental coverage: Our products excel in harsh conditions, from deep-sea equipment resistant to seawater corrosion to aircraft engines withstanding 1000°C high-temperature creep, serving the demanding sectors of petrochemicals, nuclear power, and new energy.
Multi functional compatibility: Our welding wire is designed to effectively join dissimilar metals, such as nickel-based alloys and stainless steel, reducing the sensitivity to hot cracks by 40% and lowering subsequent processing costs, ensuring uniform and stable weld formation.
3. Flexible production and full cycle service
Customization capability: With nearly two decades of technological expertise, we offer flexible customization of non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a responsive cycle reduced to just 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line boasts a monthly capacity of 100 tons, with consistent on-time delivery for regular orders within 15 days, achieving a commendable on-time rate of ≥ 98%.
Quality commitment: Rigorous quality control through 12 inspection processes from raw materials to finished products ensures a defect rate of less than 0.05%, with certifications like ISO 9001 and CE attesting to our superior standards.
Worry free after-sales service:
Enjoy peace of mind with our 24-month ultra-long warranty and a rapid 48-hour global technical response.
We provide comprehensive welding process package development, expert technical guidance, and in-depth quality traceability services.
________________________________________
Optimization Explanation
1. Structured layering: Seamlessly integrate 'technological leadership' with 'unique formula technology' and organize them logically under 'technology scene service', emphasizing the holistic advantages from R&D to implementation.
2. Data quantification: Incorporate specific data such as patent numbers, performance metrics, and defect rates to reinforce credibility and reliability.
3. Scenario-based Expression: Illuminate the undeniable application value of our Versatile Ernicrmo-3 Welding Wire in critical industries such as petrochemicals and nuclear power. Emphasize how this product overcomes formidable technical barriers, making it an indispensable asset in high-demand fields.
4. Service Differentiation: Showcase our unparalleled customization abilities and robust after-sales terms that elevate our service. Highlight our competitive edge through our 'quick response & long-term guarantee' commitment, ensuring client satisfaction and peace of mind.
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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