ERNiCrMo-3 Nickel Alloy Welding Wire
Product Introduction
1. Chemical Composition
ERNiCrMo-3 (AWS A5.14) is a cutting-edge nickel-chromium-molybdenum alloy, engineered with meticulous elemental precision to deliver unparalleled performance under demanding conditions:
- Primary Elements: Nickel (Ni: 58-62%), Chromium (Cr: 20-23%), Molybdenum (Mo: 8-10%), Niobium (Nb: 3.15-4.15%)
- Impurities: Exceptionally low levels of iron (Fe ≤1.0%), sulfur (S ≤0.02%), and phosphorus (P ≤0.015%) are maintained to significantly reduce the risk of cracking.
-
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 resilience against fatigue and stress corrosion cracking, making it ideal for environments ranging from cryogenic temperatures to high-heat conditions.
3. Physical Properties
- Density: 8.4 g/cm³.
- Melting Range: 1290-1350°C.
- Structure: Features a face-centered cubic lattice, with a phase transition to stable Ni3(Nb,Ti) after heat treatment at approximately 650°C, enhancing its durability.
4. Key Features
- Corrosion Resistance: Provides outstanding protection against pitting, crevice corrosion, and stress corrosion cracking, making it perfect for chloride, acidic, and marine environments.
- High-Temperature Stability: Retains its strength and oxidation resistance at temperatures up to 1800°F (982°C).
- Versatility: Universally applicable for welding dissimilar metals, such as carbon steel to nickel alloys, and perfect for surface cladding.
5. Welding Process Compatibility
- Methods: Exceptionally 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 results in SAW.
- Wire Diameters: Available in 0.8-3.2 mm sizes, both spooled or in straight rods for precision.
6. Applications
- Industries: Ideal for the aerospace industry (engine components, exhaust systems), chemical processing (reactors, pipelines), marine applications (valves, seawater systems), and oil/gas sector (wellhead equipment).
- Materials Welded: Compatible with INCONEL 625, INCOLOY 825, 20alloy, 9% Ni steel, and diverse 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.
- Certifications: Holds certifications from ABS, NADCAP, and ISO 18274, affirming its reliability for the most demanding critical industries.
8. Handling & Storage
- Moisture Control: To ensure peak performance, always store in dry conditions; our copper-coated variants offer enhanced conductivity for superior results.
- Pre-Weld Prep: Prioritize cleaning surfaces to remove oil, rust, and moisture; employ low heat input to prevent embrittlement and maintain the integrity of the weld.
9. Packaging & Availability
- Packaging: Available in versatile spools (5-15 kg) or as straight rods, tailored to fit your project needs.
- Lead Time: Quick dispatch within 3-15 days, adaptable to your order's quantity and urgency.
Summary: The ERNiCrMo-3 welding wire is crafted for extreme environments, boasting robust mechanical properties with unmatched corrosion resistance, making it versatile across diverse industrial applications.
Our advantages
1. Technological leadership: Unrivaled breakthroughs in patented formulas and processes
Exclusive alloy formula: Our Dutch invention patent (patent number: 2029411) allows for an impeccable balance between corrosion resistance (salt spray test ≥ 1000 hours) and high-temperature strength (tensile strength ≥ 790MPa), achieved through precise nickel chromium molybdenum ratio adjustments (Ni ≥ 58%, Cr 20-23%, Mo 8-10%), outperforming the ASTM B166 standard.
Advanced process guarantee: Utilizing a dual metallurgical process (VIM+ESR) combined with nano polishing technology ensures a pure composition of the welding wire, surface smoothness Ra ≤ 0.2 μm, and precise tolerance control ± 0.001mm, perfect for high-precision automated welding needs.
2. Full scenario technical barriers: Tailored to high-end manufacturing requirements
Extreme environmental coverage: From deep-sea equipment to aircraft engines, this wire withstands seawater corrosion and 1000 °C high-temperature creep resistance, addressing challenging conditions in petrochemicals, nuclear power, and new energy sectors.
Multifunctional compatibility: Seamlessly supports welding of dissimilar metals (nickel-based alloys, stainless steel, 9% Ni steel overlay welding) with uniform, stable weld formation, reducing hot crack sensitivity by 40%, thus lowering subsequent processing costs.
3. Flexible production and comprehensive service
Customization capability: Leverage nearly 20 years of expertise to provide non-standard specifications (diameter 0.6-4.0mm) and special coatings, with a greatly reduced response time of just 3 days.
Dual guarantee of delivery and quality control:
Stable production: Our fully automated production line boasts a capacity of 100 tons per month, ensuring regular orders are delivered within 15 days with an impressive on-time rate of ≥ 98%;
Quality commitment: Conducting 12 rigorous quality inspection processes from raw materials to finished products, maintaining a defect rate below 0.05%, and securing ISO 9001, CE, and other prestigious certifications.
Worry-free after-sales service:
Enjoy 24 months of extended warranty and 48 hours of prompt global technical support.
Benefit from comprehensive welding process package development, technical guidance, and quality traceability services.
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Optimization Explanation
1. Structured layering: Integrate the original 'technological leadership' with 'unique formula technology', organizing them by the logic of 'technology, scene, service', emphasizing the full-spectrum advantages from R&D to execution.
2. Data quantification: Enhance credibility by providing concrete indicators such as patent numbers, performance stats, and defect rates.
3. Scenario-based expression: Highlight the product's practical application value in industries like petrochemicals and nuclear power, underscoring its technical barriers.
4. Service Differentiation: Enhance our bespoke customization capabilities and revise after-sales terms to bolster our competitive edge, emphasizing our unparalleled 'quick response & long-term guarantee' offerings.
Additional Premier 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 |





