Presenting the superior ERNiCrMo-3 Nickel Alloy Welding Wire by JIANGSU JIUZHOU NEW MATERIAL TECHNOLOGY CO., LTD. — designed to meet the highest standards of quality and performance.
1. Chemical Composition
This outstanding ERNiCrMo-3 (AWS A5.14) nickel-chromium-molybdenum alloy is meticulously engineered with precision-controlled elemental composition to ensure unparalleled performance and reliability in demanding applications:
- Primary Elements: Key constituents include Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), and Niobium (Nb: 3.15-4.15%), ensuring robust and enduring welding solutions.
- Impurities: Minimal presence of impurities such as iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) significantly reduces risks of cracking, ensuring superior weld integrity.
2. Mechanical Properties
- Tensile Strength: Exhibits exceptional tensile strength of ≥760 MPa, offering enduring durability under stress.
- Yield Strength: Provides a robust yield strength of ≥420 MPa, ensuring reliable performance.
- Elongation: Displays an impressive elongation of ≥27%, demonstrating excellent flexibility and adaptability.
- Impact Toughness: Offers remarkable impact toughness with high resistance to fatigue and stress corrosion cracking, ideal for both cryogenic and high-temperature applications.
3. Physical Properties
- Density: Features a density of 8.4 g/cm³, perfectly balancing strength and workability.
- Melting Range: The melting range of 1290-1350°C enhances its suitability for high-temperature applications.
- Structure: Comprises a face-centered cubic lattice, transitioning to stable Ni3(Nb,Ti) phases after heat treatment at approximately 650°C, offering superior structural stability.
4. Key Features
- Corrosion Resistance: Demonstrates exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking in diverse environments, including chloride, acidic, and marine conditions.
- High-Temperature Stability: Retains formidable strength and oxidation resistance up to 1800°F (982°C), ensuring reliability under extreme heat.
- Versatility: Offers remarkable versatility, suitable for welding dissimilar metals such as carbon steel to nickel alloys, and for surface cladding, expanding 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 for varied welding needs.
- Shielding Gas: Recommends argon or argon-helium mixtures for TIG/MIG and INCOFLUX 7 flux for SAW, ensuring optimal welding conditions.
- Wire Diameters: Available in diameters from 0.8-3.2 mm, offered as spooled or straight rods, catering to a wide range of application requirements.
6. Applications
- Industries: Widely used across aerospace (engine components, exhaust systems), chemical processing (reactors, pipelines), marine (valves, seawater systems), and oil/gas (wellhead equipment) industries, proving indispensable in critical sectors.
- Materials Welded: Seamlessly welds INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and a variety of dissimilar combinations such as nickel alloys to stainless steel, broadening your material compatibility.
7. Standards & Certifications
- AWS/ASME: Fully compliant with AWS A5.14, ASME SFA-5.14, and UNS N06625 standards, guaranteeing quality and consistency.
- Certifications: Backed by certifications such as ABS, NADCAP, and ISO 18274, fulfilling the stringent demands of critical industries.
8. Handling & Storage
- Moisture Control: It's essential to store this welding wire in dry conditions to ensure optimal performance. The copper-coated variants are designed to enhance conductivity, providing superior welding results.
- Pre-Weld Prep: Before you begin welding, meticulously clean all surfaces of any oil, rust, and moisture. It's crucial to use low heat input during the process to prevent embrittlement and ensure the integrity of your welds.
9. Packaging & Availability
- Packaging: Our welding wire is available in convenient spools ranging from 5 to 15 kg or as straight rods, catering to diverse needs and applications.
- Lead Time: Typically, we offer swift shipping, with most orders dispatched within 3 to 15 days depending on the order quantity, ensuring you receive your product promptly.
Summary: Designed for the most demanding conditions, ERNiCrMo-3 is a premium welding wire that stands out with its exceptional mechanical properties, superior corrosion resistance, and unmatched adaptability across various industries.
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 |
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