Introducing the pinnacle of superior welding solutions with our ERNiCrMo-3 Nickel Alloy Welding Wire, crafted by the esteemed JIANGSU JIUZHOU NEW MATERIAL TECHNOLOGY CO., LTD. This exceptional product is meticulously designed to not only meet but exceed the highest standards of quality and performance, setting a new benchmark in the welding industry.
1. Chemical Composition
Our ERNiCrMo-3 (AWS A5.14) nickel-chromium-molybdenum alloy is a masterpiece of engineering, boasting a precision-controlled elemental composition. This meticulous design is key to delivering unmatched performance and reliability, even in the most challenging applications.
- Primary Elements: This alloy's key constituents are Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%). Together, they ensure robust and long-lasting welding solutions, enabling superior strength and endurance.
- Impurities: Impurities are kept to a bare minimum, with iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%). This minimal presence significantly mitigates the risk of cracking, thus ensuring exceptional weld integrity and performance.
2. Mechanical Properties
- Tensile Strength: This wire showcases an exceptional tensile strength of ≥760 MPa, providing it with the ability to withstand significant stress while maintaining its integrity, ensuring enduring durability.
- Yield Strength: Offers a robust yield strength of ≥420 MPa, which is a testament to its reliable and consistent performance under varied conditions.
- Elongation: Boasts an impressive elongation of ≥27%, reflecting its excellent flexibility and adaptability to different stress conditions, ensuring versatility in application.
- Impact Toughness: Renowned for its remarkable impact toughness, our alloy provides high resistance to both fatigue and stress corrosion cracking, making it ideal for a wide range of applications, from cryogenic to high-temperature environments.
3. Physical Properties
- Density: With a density of 8.4 g/cm³, this alloy perfectly balances strength with workability, making it an essential component in demanding projects.
- Melting Range: Featuring a melting range of 1290-1350°C, it is perfectly suited for high-temperature applications, providing reliability when it matters most.
- Structure: Comprising a stable face-centered cubic lattice, this alloy transitions to Ni3(Nb,Ti) phases after heat treatment at approximately 650°C, offering exemplary structural stability.
4. Key Features
- Corrosion Resistance: Our alloy demonstrates exceptional resistance to pitting and crevice corrosion, along with stress corrosion cracking, in environments ranging from chloride to acidic and marine conditions.
- High-Temperature Stability: Boasts formidable strength and oxidation resistance up to 1800°F (982°C), ensuring performance and reliability even under extreme heat conditions.
- Versatility: Showcases remarkable versatility, suitable for welding dissimilar metals, including carbon steel to nickel alloys. Additionally, it's ideal for surface cladding, enhancing your operational flexibility.
5. Welding Process Compatibility
- Methods: Fully compatible with TIG (GTAW), MIG (GMAW), submerged arc (SAW), and plasma arc welding methods, providing adaptable solutions to meet diverse welding requirements.
- Shielding Gas: For optimum welding conditions, we recommend argon or argon-helium mixtures for TIG/MIG and INCOFLUX 7 flux for SAW, ensuring that every weld is performed under ideal circumstances.
- Wire Diameters: Available in a variety of diameters from 0.8-3.2 mm, offered as both spooled or straight rods, this wire caters to a wide array of application requirements, accommodating various project needs.
6. Applications
- Industries: This remarkable product finds extensive applications across a multitude of industries. In aerospace, it's a key component for crafting durable engine parts and reliable exhaust systems. Within the realm of chemical processing, it's used in reactors and pipelines, ensuring robust performance. The marine industry benefits from its incorporation in valves and seawater systems, while the oil and gas sector relies on it for wellhead equipment. Truly indispensable, it plays a vital role in these critical sectors.
- Materials Welded: Effortlessly welds a wide range of materials including INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and many dissimilar combinations like nickel alloys to stainless steel. This versatility significantly broadens your material compatibility, providing an unparalleled advantage.
7. Standards & Certifications
- AWS/ASME: Rigorously adheres to industry-leading standards such as AWS A5.14, ASME SFA-5.14, and UNS N06625, ensuring unparalleled quality and unwavering consistency.
- Certifications: Supported by prestigious certifications including ABS, NADCAP, and ISO 18274, it meets and exceeds the stringent demands of critical industries, affirming its superior standard.
8. Handling & Storage
- Moisture Control: For optimal performance, store this welding wire in dry conditions. The copper-coated variants are specially designed to enhance conductivity, ensuring superior welding results that meet industry expectations.
- Pre-Weld Prep: Prior to welding, it's imperative to meticulously clean all surfaces of oil, rust, and moisture. Employing low heat input during the process is vital to prevent embrittlement and ensure the integrity and reliability of your welds.
9. Packaging & Availability
- Packaging: Our welding wire is thoughtfully available in user-friendly spools ranging from 5 to 15 kg, or as straight rods, effectively catering to diverse industrial needs and applications.
- Lead Time: We pride ourselves on offering swift shipping solutions, with most orders dispatched within a rapid 3 to 15 days, contingent on the order quantity, ensuring you receive your product promptly and efficiently.
Summary: Crafted for the most demanding conditions, the ERNiCrMo-3 is a premium welding wire renowned for its exceptional mechanical properties. With superior corrosion resistance and unmatched adaptability, it stands out across various industries, proving to be an invaluable asset.





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 |