Monel 400 Bar for Corrosion-Resistant Marine Shafting

Our Monel 400 bar is a tough-as-nails solution for corrosion-resistant marine shafting, built to handle the harshest saltwater environments without flinching. This nickel-copper alloy, with about 67% nickel, 30% copper, and a touch of iron and manganese, is our top pick for applications where corrosion resistance and reliability are critical. Whether it’s propeller shafts or structural components for ships and offshore platforms, this bar delivers.

What makes Monel 400 bar stand out is its incredible ability to resist seawater corrosion. It doesn’t matter if it’s high-flow waves or stagnant coastal waters—this bar holds strong, fighting off pitting and stress corrosion cracking to keep your marine systems running smoothly. It’s perfect for shafting in propulsion systems, rudders, or offshore platform supports, ensuring long-lasting performance with minimal maintenance.

This bar’s versatility is a big win. It’s stable up to 550°C, which is plenty for marine applications with moderate heat, like engine-driven shafts or heat exchanger supports. Its moderate electrical conductivity (~3-4% IACS) is handy for systems with electrical integration, and its high ductility means it can handle mechanical stress without cracking. From commercial vessels to offshore rigs, Monel 400 performs like a champ.

We love how easy this bar is to work with. Its excellent formability makes it simple to machine, weld, or shape into whatever your marine shafting design needs—round bars for propeller shafts or custom shapes for structural supports. Need a specific diameter, length, or finish? We can tailor it to fit your specs, keeping your manufacturing process smooth and on schedule.

The marine industry’s pushing for materials that are corrosion-resistant, efficient, and sustainable, and Monel 400 bar checks all the boxes. It’s recyclable, which is awesome for eco-friendly projects, and its long lifespan means less waste from replacements. With global shipping, offshore wind, and desalination industries growing, demand for durable materials like Monel 400 is soaring. Its low maintenance aligns with the trend toward cost-effective, green marine solutions.

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 Monel 400 bar sets the standard because we’re all about quality, customization, and customer success. We offer a wide range of diameters, lengths, and finishes, with fast delivery for both small and large orders. Our team dives into your project, optimizing the bar for your marine shafting to ensure maximum corrosion resistance and reliability. We keep pricing competitive, especially for bulk orders, without skimping on quality. Our sustainable production process uses recyclable materials, aligning with green industry trends. Plus, our hands-on support means you’re always covered—whether it’s technical guidance or a custom solution, we make it happen.

Compared to other materials, our Monel 400 bar is a clear winner. Monel K-500 is stronger but slightly less corrosion-resistant in seawater, making 400 the better pick for marine shafting. Stainless steel 316 is tough but struggles with chloride corrosion in saltwater, unlike Monel 400. Bronze is affordable but wears out faster in harsh marine conditions. Our bar is the go-to for corrosion-resistant marine shafting applications.

We craft our Monel 400 bar to meet strict standards like ISO 9001, ensuring quality you can trust every time. Whether you’re building propeller shafts for ships or supports for offshore platforms, this bar’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 bar made of?
   It’s a nickel-copper alloy with about 67% nickel, 30% copper, plus small amounts of iron and manganese for corrosion resistance and strength.

2. What are the main uses for Monel 400 bar in marine applications?
   It’s used for corrosion-resistant shafting, propeller shafts, and structural components in ships and offshore platforms.

3. How does Monel 400 bar perform in seawater?
   It’s a rock star, resisting corrosion, pitting, and stress cracking in high-flow or stagnant saltwater conditions.

4. Can Monel 400 bar handle high temperatures?
   Yep, it’s stable up to 550°C, perfect for marine shafting in moderate-heat environments.

5. Is Monel 400 bar cost-effective?
   It’s pricier than stainless steel, but its durability and low maintenance in seawater make it a smart long-term choice.

6. How does Monel 400 bar compare to Monel K-500 bar?
   Monel 400 has better corrosion resistance in seawater, while K-500 offers higher strength but slightly less corrosion resistance.

7. Can Monel 400 bar be customized?
   Totally! We can adjust diameter, length, or finish to meet your specific marine shafting needs.

8. Is Monel 400 bar environmentally friendly?
   It’s recyclable, supporting green practices, and its long lifespan reduces waste from replacements