Welcome to Jiangsu DZX Factory.
Email:dlx@dlx-alloy.com Mobile/Whatsapp:+86 199 0611 9641
Professional manufacturer of welding wires and spraying wires,over 22 years.
Contact:Jason
Whatsapp:+8619906119641
Email:dlx@dlx-alloy.com
Add:NO.32 West Taihu Road, Xinbei District, Changzhou, Jiangsu,China
Nickel Welding Wire
Product Details
Our ERNiCu-7 Monel 400 Welding Wire is a top-tier solution for marine environments where corrosion resistance is non-negotiable. This nickel-copper alloy wire is designed for Gas Tungsten Arc Welding (GTAW) and Gas Metal Arc Welding (GMAW), delivering strong, durable welds that stand up to seawater, brine, and acidic conditions. Compliant with AWS A5.14 standards, it’s optimized for welding Monel 400 and similar nickel-copper alloys, ensuring exceptional performance in harsh marine settings. Its high copper content enhances corrosion resistance, while the low carbon composition minimizes cracking, producing clean, reliable welds.
This wire is built for tough jobs, from shipbuilding to offshore platforms, where equipment faces constant exposure to saltwater and chloride-rich environments. It resists pitting, crevice corrosion, and stress corrosion cracking, making it a go-to for marine applications. Whether you’re joining dissimilar metals or fabricating critical components, our ERNiCu-7 wire offers outstanding weldability and long-lasting results, keeping your projects on track and your equipment corrosion-free.
The marine industry is riding a wave of growth, driven by global demand for shipbuilding, offshore energy, and desalination plants. The maritime sector is projected to expand through 2035, fueled by increased trade, offshore oil and gas exploration, and renewable energy projects like offshore wind farms, particularly in regions like Asia-Pacific and Europe. These applications demand materials that can withstand relentless corrosion from seawater and harsh weather, making our ERNiCu-7 Monel 400 wire a critical asset.
Key trends include a push for durable, corrosion-resistant materials that reduce maintenance costs and extend equipment lifespans, aligning with sustainability goals. Automated welding technologies, such as robotic TIG and MIG systems, are gaining traction, requiring wires that deliver precision and consistency. The rise of green energy, including offshore wind and wave energy systems, is increasing the need for alloys that resist corrosion in chloride-rich environments. Stricter environmental regulations are also driving demand for materials that prevent leaks and failures, ensuring safety and compliance.
Supply chain reliability is a major focus, as global disruptions emphasize the need for dependable suppliers with fast delivery. Our ERNiCu-7 wire meets these demands, offering consistent quality and quick turnaround to keep marine projects on schedule. The industry’s emphasis on sustainability means our wire’s durability helps reduce replacements and waste, supporting long-term operational efficiency.
AWS Classification | Applications |
ERNiCr-3 | Used for welding 600, 601, and 800 alloys and dissimilar welding between stainless steel and carbon steel |
ERNiCrFe-7 | Suitable for welding nickel-chromium-iron alloys under ASTM B163, B166, B167, and B168 standards |
ERNiCrFe-6 | Designed for welding steel to nickel-chromium-iron alloys, as well as stainless steel to nickel-based alloys |
ERNiCrCoMo-1 | Used for welding nickel-chromium-cobalt-molybdenum alloys and various high-temperature alloys |
ERNiCrMo-3 | Suitable for nickel alloy, carbon steel, stainless steel, and low alloy steel welding, primarily used for 625, 601, 802 alloys, and 9% nickel alloys |
ERNi-CI | Used for welding commercially pure nickel, malleable cast iron, and gray cast iron |
ERCuNi | Suitable for welding 70/30, 80/20, and 90/10 copper-nickel alloys |
ERNiCu-7 | Used for welding nickel-copper alloys such as B127, B163, B164, and B165 |
ERNi-1 | Designed for welding pure nickel castings and forgings, including those under ASTM B160, B161, B162, and B163 standards |
ERNiFeMn-CI | Suitable for welding nodular cast iron, ductile iron, malleable cast iron, and gray cast iron, as well as their dissimilar welding to stainless steel, carbon steel, low alloy steel, and various nickel alloys |
ERNiCrMo-4 | Used for welding nickel-chromium-molybdenum alloys, or for welding nickel-chromium-molybdenum alloys to steel and other nickel-based alloys |
ERNiCrMo-11 | uitable for self-welding nickel-chromium-molybdenum alloys, dissimilar welding with steel and other nickel alloys, and also for cladding applications |
ERNiCrMo-13 | Used for welding low-carbon nickel-chromium-molybdenum alloys |
ENiCrMo-3 | Designed for welding nickel-chromium-molybdenum alloys, including 625, 800, 801, 825, and 600 |
ENiCrFe-3 | Used for welding nickel-chromium-iron alloys and for dissimilar welding with carbon steel |
ENiCrFe-2 | Suitable for welding austenitic steel, ferritic steel, and high-nickel alloys, also used for 9% nickel alloy welding |
ENiCu-7 | Primarily used for welding nickel-copper alloys and their dissimilar welding with steel |
ENiCrFe-7 | Ideal for welding 690 (UNS N06690) nickel-chromium-iron alloys |
ENiCrMo-4 | Designed for C-276 alloy welding and most nickel-based alloys |
ENiCrCoMo-1 | Suitable for welding nickel-chromium-cobalt-molybdenum alloys and various high-temperature alloys |
ERCuNi | Used for welding forged or cast 70/30, 80/20, and 90/10 copper-nickel alloys |
ENiCrMo-13 | Used for welding low-carbon nickel-chromium-molybdenum alloys |
ENiCrMo-11 | Used for welding low-carbon nickel-chromium-molybdenum alloys |
Welding Wire Type | Density (g/cm³) | Melting Point (°C) | Electrical Conductivity (% IACS) | Coefficient of Thermal Expansion (10⁻⁶/°C) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation at Break (%) |
Carbon Steel Welding Wire | 7.85 | 1450 | 8-10 | 11.8 | 400-550 | 300-400 | 20-25 |
Stainless Steel Welding Wire | 7.9 | 1350-1450 | 2-5 | 16-17 | 550-650 | 300-400 | 30-40 |
Aluminum Welding Wire | 2.7 | 600-660 | >60 | 23.1 | 150-200 | 75-100 | >20 |
Nickel Alloy Welding Wire | 8.4 | 1350-1400 | 1-2 | 13.1 | 600-800 | 400-600 | 30-40 |
Welding Rod Type | Coating | Electrical Resistivity (10⁻⁶ Ω·cm) | Hardness (HV) | Heat Resistance (°C) | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation at Break (%) |
Carbon Steel Welding Rod | Acid coated, alkaline coated | 10-15 | 150-200 | < 450 | 400-550 | 300-400 | 20-25 |
Stainless Steel Welding Rod | Acid coated, alkaline coated | 60-80 | 200-400 | < 800 | 550-750 | 350-450 | 25-35 |
Cast Iron Welding Rod | Alkaline coated | 90-120 | 250-450 | 300-600 | 300-500 | 150-300 | 10-20 |
Nickel Alloy Welding Rod | Alkaline coated | 80-100 | 200-300 | < 1200 | 700-900 | 450-650 | 20-35 |
For more other size details, pls directly contact us
Our ERNiCu-7 Monel 400 welding wire is a versatile performer, built for marine and related industries where corrosion resistance is critical. Here’s where it excels:
Marine Applications: Used for welding ship hulls, propeller shafts, and seawater piping systems, resisting corrosion from saltwater and brine.
Offshore Oil and Gas: Ideal for platforms, pipelines, and subsea equipment exposed to chloride-rich environments and harsh weather.
Desalination Plants: Supports welding of heat exchangers and evaporators, ensuring durability in seawater processing systems.
Chemical Processing: Applied in equipment handling acidic and alkaline solutions, like sulfuric and hydrofluoric acids.
Power Generation: Used in coastal power plants for components exposed to seawater cooling systems.
Petrochemical Industry: Perfect for refineries and chemical plants dealing with corrosive gases and liquids.
Heat Exchangers: Ensures reliable welds in heat transfer equipment for marine and industrial applications.
Overlay Welding: Suitable for cladding carbon or stainless steels to enhance corrosion resistance in harsh environments.
Its ability to weld dissimilar metals, like Monel 400 to stainless or carbon steels, makes it a flexible choice for complex projects. From ship repairs to offshore platform fabrication, our ERNiCu-7 wire delivers consistent, high-quality welds.
Parameter |
Our ERNiCu-7 Monel 400 |
Competitor’s Product |
---|---|---|
Corrosion Resistance |
Exceptional resistance to seawater, acids, and chlorides |
Good resistance, but less effective in mixed corrosive environments |
Weldability |
Smooth feeding, minimal defects, excellent arc stability |
Decent weldability, occasional slag or spatter issues |
Chemical Composition |
High copper, low carbon for reduced cracking |
Higher carbon, increasing risk of sensitization |
Versatility |
Suitable for GTAW, GMAW, and dissimilar metal welding |
Limited to specific welding processes |
Pitting Resistance (PREN) |
High PREN (~30) for superior pitting resistance |
Moderate PREN (~25) |
Temperature Performance |
Reliable up to 1000°F (538°C) in corrosive environments |
Limited to lower temperatures in corrosive settings |
Purity and Cleanliness |
High-purity wire with minimal impurities |
Standard purity, some weld imperfections |
Certifications |
Fully compliant with AWS A5.14, ASTM standards |
Meets AWS A5.14, limited ASTM compliance |
Our wire’s high copper content and optimized composition ensure top-tier corrosion resistance, especially in marine environments. Its high purity and smooth weldability reduce defects, saving time and costs during production. The ability to handle multiple welding processes and dissimilar metals gives it an edge for diverse marine applications.
Our ERNiCu-7 Monel 400 welding wire is the result of years of expertise and cutting-edge manufacturing. We’ve perfected our process to deliver a wire with consistent chemistry and mechanical properties, ensuring reliable welds every time. Its high purity minimizes imperfections, giving you cleaner, stronger joints that perform in the toughest marine environments, from ship hulls to offshore pipelines.
Versatility is a major strength. Our wire excels in both TIG and MIG welding and handles dissimilar metal joints with ease, making it ideal for complex marine projects. Its smooth feeding and excellent arc stability boost productivity, reducing downtime and rework on the shop floor.
We back our product with unmatched customer support. From detailed welding parameters to on-call technical expertise, we help you optimize your processes for the best results. Our global supply chain ensures fast, reliable delivery, so you’re never waiting for materials. Sustainability is a priority—our wire’s durability extends equipment lifespans, reducing maintenance costs and environmental impact. Whether you’re welding a ship’s propeller shaft or a desalination plant component, our ERNiCu-7 delivers the performance you need.
About Us:
Our 12,000㎡ factory is equipped with complete capabilities for research, production, testing, and packaging. We strictly adhere to ISO 9001 standards in our production processes, with an annual output of 1,200 tons. This ensures that we meet both quantity and quality demands. Furthermore, all products undergo rigorous simulated environment testing including high temperature, high pressure, and corrosion tests before being dispatched, ensuring they meet customer specifications. We also provide chemical analysis reports for every FeCrAl alloy, NiCr alloy, and other products purchased.
For all our clients, we offer timely and multilingual after-sales support and technical consulting, helping you resolve any issues swiftly and efficiently.
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What is ERNiCu-7 Monel 400 welding wire used for?
It’s used for welding nickel-copper alloys in marine, offshore, and chemical processing applications, offering superior corrosion resistance.
What makes ERNiCu-7 stand out?
Its high copper and low carbon content ensure excellent corrosion resistance and weldability in seawater and acidic environments.
Can it weld dissimilar metals?
Yes, it’s ideal for joining Monel 400 to stainless steel, carbon steel, or other nickel-based alloys.
Which industries benefit from ERNiCu-7?
Marine, offshore oil and gas, desalination, chemical processing, and power generation rely on its durability.
What welding processes is it compatible with?
It’s optimized for GTAW and GMAW, but also supports other arc welding processes.
How does it perform in corrosive environments?
It offers excellent resistance to pitting, crevice, and stress corrosion in seawater and acidic conditions.
Is it suitable for high-temperature applications?
Yes, it performs reliably up to 1000°F (538°C) in corrosive environments.
Does it require special welding techniques?
No, but using our recommended parameters ensures optimal weld quality and minimal defects.
Our ERNiCu-7 Monel 400 welding wire is built for the toughest marine challenges. Its exceptional corrosion resistance, reliable weldability, and versatility make it a top choice for shipbuilding, offshore platforms, and desalination plants. With clean, strong welds and unmatched durability, it helps you reduce maintenance costs and keep operations running smoothly. Backed by our commitment to quality, innovation, and customer support, our wire delivers the performance you need for high-stakes marine projects. Trust us to provide the welding solution that powers your success in corrosive environments.