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 to deliver exceptional performance through precise control of its elemental composition:
- Primary Elements: This alloy boasts a well-balanced mix of Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), and Molybdenum (Mo: 8-10%), complemented by Niobium (Nb: 3.15-4.15%) for enhanced attributes.
- Impurities: Designed to minimize cracking risks, it maintains extremely low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%).
-
| 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: A robust tensile strength of ≥760 MPa ensures endurance in demanding applications.
- Yield Strength: With a yield strength of ≥420 MPa, this wire stands strong under pressure.
- Elongation: Boasting an elongation rate of ≥27%, it offers excellent flexibility.
- Impact Toughness: Exhibits superb resistance to fatigue and stress corrosion cracking, making it ideal for environments from cryogenic to high-temperature.
3. Physical Properties
- Density: A density of 8.4 g/cm³ provides the perfect blend of weight and strength.
- Melting Range: Its melting range spans 1290-1350°C, accommodating a variety of welding needs.
- Structure: Features a face-centered cubic lattice, which transitions to Ni3(Nb,Ti) phases after heat treatment around 650°C, enhancing stability.
4. Key Features
- Corrosion Resistance: Offers unparalleled resistance to pitting, crevice corrosion, and stress corrosion cracking, even in harsh chloride, acidic, and marine environments.
- High-Temperature Stability: Maintains impressive strength and oxidation resistance at temperatures up to 1800°F (982°C).
- Versatility: Exceptionally versatile, capable of welding dissimilar metals such as carbon steel to nickel alloys, as well as being perfect for surface cladding.
5. Welding Process Compatibility
- Methods: Offers seamless compatibility with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding techniques.
- Shielding Gas: Uses argon or argon-helium mixtures for TIG/MIG, with INCOFLUX 7 flux recommended for enhanced SAW applications.
- Wire Diameters: Available in dimensions from 0.8-3.2 mm, offered as either spooled or straight rods for diverse requirements.
6. Applications
- Industries: Essential to aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) sectors.
- Materials Welded: Proficient in welding INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and a wide range of dissimilar combinations like nickel alloys to stainless steel.
7. Standards & Certifications
- AWS/ASME: Proudly compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards.
- Certifications: Accredited with ABS, NADCAP, and ISO 18274, ensuring reliability in critical industry applications.
8. Handling & Storage
- Moisture Control: Ensure optimal performance by storing in dry conditions. The copper-coated variants not only enhance conductivity but also offer added protection against moisture.
- Pre-Weld Prep: For superior welding outcomes, meticulously clean surfaces to remove oil, rust, and moisture. Employ a low heat input technique to prevent embrittlement and maintain material integrity.
9. Packaging & Availability
- Packaging: Conveniently available in spools ranging from 5-15 kg or as streamlined straight rods, tailored to suit various welding needs.
- Lead Time: Orders are efficiently processed and typically shipped within 3-15 days, adjusted according to the order quantity and specific requirements.
Summary: ERNiCrMo-3 is not just any welding wire; it's a top-tier solution engineered for challenging environments. It excels with its superior mechanical properties, unrivaled corrosion resistance, and versatile adaptability, serving a multitude of industries with excellence.
Our advantages
1. Technological leadership: Achieving excellence through patented innovations and groundbreaking processes
Exclusive alloy formula: Backed by a prestigious Dutch invention patent (patent number: 2029411), this formula strikes the perfect harmony between corrosion resistance (boasting salt spray test results of ≥ 1000 hours) and high-temperature toughness (tensile strength of ≥ 790MPa). This is achieved through precise calibration of the nickel, chromium, and molybdenum balance (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), surpassing the ASTM B166 standard with ease.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) along with cutting-edge nano polishing technology ensures an exceptionally pure welding wire composition. The surface smoothness is refined to Ra ≤ 0.2 μm, with stringent tolerance control of ± 0.001mm, making it ideal for high-precision automated welding applications.
2. Full scenario technical barriers: Engineered to meet elite manufacturing demands
Extreme environmental coverage: From withstanding the corrosive depths of seawater in marine equipment to enduring the staggering heat of 1000°C in aircraft engines, this product meets the rigorous demands of petrochemicals, nuclear power, and new energy sectors.
Multi-functional compatibility: Capable of welding dissimilar metals (such as nickel-based alloys to stainless steel, and 9% Ni steel overlay welding), it ensures uniform and stable welds, cutting sensitivity to hot cracks by 40% and significantly reducing subsequent processing costs.
3. Flexible production and full cycle service
Customization capability: With nearly two decades of technological prowess, we offer flexible customization of non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a remarkably swift response cycle as short as 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our state-of-the-art fully automated production line boasts a monthly capacity of 100 tons. Regular orders are delivered within 15 days, achieving an impressive on-time rate of ≥ 98%;
Quality commitment: We conduct 12 rigorous quality inspection processes from raw materials to finished products, maintaining a defect rate below 0.05%, and have earned ISO 9001, CE, and other prestigious certifications.
Worry-free after-sales service:
Enjoy a 24-month extended warranty with a swift 48-hour global technical response;
We provide comprehensive services including welding process package development, expert technical guidance, and thorough quality traceability.
________________________________________
Optimization Explanation
1. Structured layering: Seamlessly integrate 'technological leadership' with 'unique formula technology', organizing them logically as 'technology-scene-service', showcasing the complete cycle from innovation to application.
2. Data quantification: Enhance credibility by incorporating critical figures such as patent numbers, performance metrics, and defect rates.
3. Scenario-based expression: Clearly articulate the product's tangible benefits in industries like petrochemicals and nuclear power, emphasizing its technical superiority and application-specific advantages.
4. Service Differentiation: Elevate your experience with our refined customization capabilities and robust after-sales terms. We enhance our competitive edge through an unbeatable combination of quick response and long-term guarantees, assuring you of superior service at every step.
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 |
Audited Supplier 
){kind=link}