Introducing the unparalleled ERNiCrMo-3 Nickel Alloy Welding Wire by JIANGSU JIUZHOU NEW MATERIAL TECHNOLOGY CO., LTD. — meticulously crafted to exceed the pinnacle of quality and performance standards, delivering unmatched industrial welding excellence.
1. Chemical Composition
This exceptional ERNiCrMo-3 (AWS A5.14) nickel-chromium-molybdenum alloy is intricately designed with a precision-controlled elemental blend, guaranteeing superior performance and reliability for the most demanding industrial applications:
- Primary Elements: The core constituents of this alloy include Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%). These elements ensure robust, durable, and long-lasting welding solutions that meet the highest industrial standards.
- Impurities: The alloy maintains a minimal presence of impurities such as iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%). This reduction significantly minimizes the risk of cracking, guaranteeing superior weld integrity and quality.
2. Mechanical Properties
- Tensile Strength: This alloy boasts extraordinary tensile strength of ≥760 MPa, ensuring enduring durability and reliability even under significant stress.
- Yield Strength: It offers a formidable yield strength of ≥420 MPa, providing consistent and reliable performance across various applications.
- Elongation: With an impressive elongation of ≥27%, it showcases excellent flexibility and adaptability, accommodating a wide range of operational needs.
- Impact Toughness: The alloy delivers remarkable impact toughness, with high resistance to fatigue and stress corrosion cracking. This makes it ideal for both cryogenic and high-temperature applications.
3. Physical Properties
- Density: Featuring a density of 8.4 g/cm³, this alloy perfectly balances strength with workability, making it an optimal choice for various industrial applications.
- Melting Range: Offering a melting range of 1290-1350°C, the alloy is highly suited for high-temperature applications, ensuring performance and reliability.
- Structure: Comprising a face-centered cubic lattice, it transitions to stable Ni3(Nb,Ti) phases after heat treatment at approximately 650°C, providing superior structural stability over time.
4. Key Features
- Corrosion Resistance: Demonstrating exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking, this alloy performs extraordinarily in diverse conditions, including chloride, acidic, and marine environments.
- High-Temperature Stability: It retains formidable strength and oxidation resistance up to 1800°F (982°C), ensuring unwavering reliability even under extreme heat conditions.
- Versatility: This alloy offers remarkable versatility, making it suitable for welding dissimilar metals such as carbon steel to nickel alloys and for surface cladding, thus expanding your operational flexibility significantly.
5. Welding Process Compatibility
- Methods: Fully compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding methods, this alloy provides adaptable solutions for a wide array of welding needs.
- Shielding Gas: It recommends the use of argon or argon-helium mixtures for TIG/MIG and INCOFLUX 7 flux for SAW, ensuring optimal welding conditions and results.
- Wire Diameters: Available in diameters ranging from 0.8-3.2 mm, offered as spooled or straight rods, this alloy caters to a broad spectrum of application requirements.
6. Applications
- Industries: This exceptional product is prominently utilized in the aerospace sector, specifically for engine components and exhaust systems. It is also integral to chemical processing, serving reactors and pipelines with excellence. The marine industry benefits greatly from its application in valves and seawater systems, while the oil and gas sector relies on it for wellhead equipment. Its indispensability in these critical sectors is a testament to its superior quality and performance.
- Materials Welded: Effortlessly joins materials such as INCONEL 625, INCOLOY 825, 20alloy, and 9% Ni steel. It offers unparalleled versatility with its ability to weld dissimilar combinations like nickel alloys to stainless steel, thereby enhancing your material compatibility and broadening your application possibilities.
7. Standards & Certifications
- AWS/ASME: Meticulously crafted to be fully compliant with the rigorous standards of AWS A5.14, ASME SFA-5.14, and UNS N06625. This guarantees unwavering quality and consistency, meeting the high expectations of demanding applications.
- Certifications: This product is proudly backed by esteemed certifications such as ABS, NADCAP, and ISO 18274, ensuring that it meets the stringent requirements of critical industries and offers peace of mind to users who rely on its performance.
8. Handling & Storage
- Moisture Control: For optimal performance, store this welding wire in dry conditions. The copper-coated variants are specifically designed to enhance conductivity, which results in superior welding outcomes. Ensure meticulous moisture control to maintain the quality of your work.
- Pre-Weld Prep: Prior to welding, ensure all surfaces are thoroughly cleaned of oil, rust, and moisture. Employing low heat input during the process is crucial to avoid embrittlement and to maintain the integrity of your welds, ensuring high-quality results every time.
9. Packaging & Availability
- Packaging: Our product caters to diverse needs with versatile packaging options. Available in convenient spools ranging from 5 to 15 kg, or as straight rods, these options ensure you have the right quantity for your specific applications.
- Lead Time: We pride ourselves on our swift shipping capabilities, with most orders being dispatched within a span of 3 to 15 days, depending on order quantity. This efficient lead time ensures you receive your products promptly, keeping your operations on track.
Summary: Meticulously crafted for the most demanding conditions, the ERNiCrMo-3 welding wire is a premium choice. It boasts exceptional mechanical properties, outstanding corrosion resistance, and unmatched adaptability, making it the ideal solution across multiple industries that require top-tier performance.





Product Description
AWS A5.4 |
ERNi-1 |
ERNiCu-7 |
ERNiCr-3 |
ERNiCrFe-5 |
ERNiCrMo-3 |
ERNiCrMo-4 |
ERNiCrMo-7 |
TS(N/mm2) |
460 |
541 |
671 |
560 |
790 |
729 |
780 |
EL(%) |
30 |
39 |
39 |
30 |
43 |
33 |
35 |
C |
0.02 |
0.02 |
0.03 |
0.03 |
0.0037 |
0.002 |
0.05 |
Mn |
0.3 |
1.7 |
3.05 |
1 |
0.03 |
0.12 |
0.6 |
Si |
0.16 |
0.44 |
0.37 |
0.04 |
0.029 |
0.07 |
0.02 |
P |
0.0012 |
0.007 |
/ |
0.004 |
0.003 |
0.003 |
0.003 |
Ti |
2.3 |
/ |
0.01 |
/ |
0.088 |
/ |
/ |
S |
0.005 |
0.008 |
/ |
0.002 |
0.001 |
0.0015 |
|
Cr |
/ |
/ |
19.86 |
15.7 |
21.95 |
15.9 |
16.7 |
Ni |
96.5 |
65.68 |
72.8 |
75.06 |
64.65 |
REM |
REM |
Cu |
/ |
REM |
0.06 |
0.03 |
0.009 |
0.008 |
/ |
Mo |
/ |
/ |
/ |
0.03 |
9.04 |
15.9 |
15.8 |
Nb |
/ |
/ |
2.4 |
2.3 |
3.61 |
/ |
/ |
V |
/ |
/ |
/ |
/ |
/ |
0.01 |
/ |
Fe |
/ |
0.7 |
0.23 |
7.9 |
0.19 |
4.12 |
2.2 |