Our Monel 400 wire is a tough, corrosion-resistant beast, perfect for marine fasteners that need to stand up to the harshest saltwater environments. This nickel-copper alloy, with about 67% nickel and 30% copper, plus a touch of iron and manganese, is our top choice for applications where durability and reliability are non-negotiable.

Let’s dive into why Monel 400 wire is such a game-changer. Its standout feature is its incredible resistance to seawater corrosion—whether it’s high-flow waves or stagnant coastal waters, this wire doesn’t flinch. That makes it ideal for marine fasteners like bolts, screws, and anchors, as well as wire mesh and cables in shipbuilding, offshore platforms, and desalination plants. It also resists pitting and stress corrosion cracking, so your fasteners stay strong for the long haul.

This wire isn’t just about corrosion resistance—it’s versatile too. It’s stable up to 550°C, which is plenty for marine environments with moderate heat, like engine compartments or heat exchanger systems. Its moderate electrical conductivity (~3-4% IACS) makes it useful for marine electrical applications, while its high ductility means it can handle mechanical stress without breaking. Whether it’s a stormy sea or a humid dock, Monel 400 keeps performing.

We love how easy this wire is to work with. Its excellent formability lets you shape, weld, or twist it into whatever your marine project needs—fine wires for mesh or thicker ones for heavy-duty fasteners. Need a custom diameter or tensile strength? We can tailor it to fit your specs, making manufacturing a breeze.

The industry’s trending toward materials that are corrosion-resistant, sustainable, and efficient, and Monel 400 wire checks all those boxes. It’s recyclable, which is awesome for eco-friendly projects, and its long lifespan means less waste from replacements. With marine industries booming—think offshore wind farms, global shipping, and desalination—demand for materials like Monel 400 is soaring. The push for greener marine systems also favors its durability and low maintenance.

Parameter:

Item	Ni	Cu	Fe	Mn	C	Si	S
Monel 400	≥63	28-34	≤2.5	≤2	≤0.3	≤0.5	≤0.025

Item	Ni	Cu	Al	Ti	Fe	Mn	S	C	Si
Monel K500	≥63	27-33	2.3-3.15	0.35-0.85	≤2	≤1.5	≤0.01	≤0.25	≤0.5

Item	Density	Melting point	Tensile Strength	Yield Strength	Elongation	HB
Monel 400	8.83 g/cm3	1300-1390℃	480	170	35%	≥331

Item	Density	Melting point	Tensile Strength	Yield Strength	Elongation
Monel K500	8.05 g/cm3	1288-1343℃	1100	790	20%

Monel 400	Bar / Rod	Forging	Pipe	Sheet / Strip	Welding Wire
Standard	ASTM B164	ASTM B564	ASTM B165	ASTM B127	ErNiCu-7

Monel K500	Bar/Rod	Forging	Pipe	Sheet/Strip	Welding Wire
Standard	ASTM B864	AMS4676	ASTM B865	ASTM B564	ErNiCu-7

For more details, pls directly contact us.

Our Company's Advantages

Our Monel 400 wire stands out because we’re all about quality, flexibility, and customer success. We offer a wide range of diameters and tensile strengths, with quick turnaround times for both small and large orders. Our team works closely with you to optimize the wire’s performance for your specific marine fasteners, ensuring maximum reliability in harsh saltwater conditions. We keep our pricing competitive, especially for bulk orders, without compromising on quality. Our production process prioritizes sustainability, using recyclable materials to align with eco-conscious industry trends. Plus, our top-notch support means you’re never left in the lurch—whether you need technical guidance or a custom solution, we’re here to make it happen.

Compared to other materials, our Monel 400 wire is a clear winner. Monel K-500 is stronger but slightly less corrosion-resistant in seawater, making 400 the better pick for marine fasteners. Stainless steel 316 is tough but struggles with chloride corrosion in saltwater, unlike Monel 400. Pure copper’s a conductivity champ but corrodes fast in marine environments. Our wire is the go-to for corrosion-resistant marine applications.

We craft our Monel 400 wire to meet strict standards like ISO 9001, so you’re getting quality you can trust every time. Whether you’re building ship fasteners or offshore cables, this wire’s ready to perform. Got a unique spec in mind? Let us know, and we’ll make it happen.

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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FAQs:

1. What is Monel 400 wire made of?
   It’s a nickel-copper alloy with about 67% nickel and 30% copper, plus small amounts of iron and manganese for strength and corrosion resistance.

2. What are the main uses for Monel 400 wire in marine applications?
   It’s used for corrosion-resistant fasteners, wire mesh, cables, and fittings in shipbuilding, offshore platforms, and desalination systems.

3. How does Monel 400 wire perform in seawater?
   It’s a superstar, resisting corrosion and pitting in saltwater, even in high-flow or stagnant conditions.

4. Can Monel 400 wire handle high temperatures?
   Yep, it’s stable up to 550°C, suitable for marine environments with moderate heat exposure.

5. Is Monel 400 wire cost-effective?
   It’s pricier than stainless steel, but its long lifespan and low maintenance in harsh marine settings make it worth it.

6. How does Monel 400 wire compare to Monel K-500 wire?
   Monel 400 is more corrosion-resistant in seawater, while K-500 offers higher strength and hardness but slightly less corrosion resistance.

7. Can Monel 400 wire be customized?
   Totally! We can adjust diameter, tensile strength, or form (wire, mesh, cable) to meet your specific marine fastener needs.

8. Is Monel 400 wire environmentally friendly?
   It’s recyclable, supporting green practices, and its durability reduces waste from frequent replacements.