Monel 400 Tube for Acid-Resistant Petrochemical Reactors

Our Monel 400 tube is a tough-as-nails solution for acid-resistant petrochemical reactors, built to handle the harshest chemical environments without breaking a sweat. This nickel-copper alloy, with about 67% nickel, 30% copper, and a touch of iron and manganese, is our top choice for applications where corrosion resistance and reliability are critical in aggressive petrochemical settings.

What makes Monel 400 tube stand out is its incredible ability to resist corrosion from acids like sulfuric, hydrochloric, and hydrofluoric, as well as alkalis and salts. It’s perfect for tubing, piping, and fittings in petrochemical reactors, where equipment needs to withstand brutal chemical conditions. Its seamless or welded design ensures leak-proof performance, keeping your reactors running smoothly with minimal maintenance.

This tube’s versatility is a major win. It’s stable up to 550°C, which is great for petrochemical reactors with moderate heat, such as those in refining or chemical synthesis. Its moderate electrical conductivity (~3-4% IACS) is handy for systems with electrical integration, and its high ductility allows it to handle mechanical stress without cracking. Whether it’s a refinery or a specialty chemical plant, Monel 400 delivers top-notch performance.

We love how easy this tube is to work with. Its excellent formability makes it simple to bend, weld, or shape into whatever your reactor design needs—complex piping systems or compact fittings. Need a custom diameter, wall thickness, or length? We can tailor it to fit your specs, ensuring smooth manufacturing and keeping your project on track.

The petrochemical industry’s pushing for materials that are corrosion-resistant, efficient, and sustainable, and Monel 400 tube checks every box. It’s recyclable, which is awesome for eco-friendly projects, and its long lifespan means fewer replacements, reducing waste. With global demand for petrochemicals growing—think fuels, plastics, and green chemicals—Monel 400’s acid resistance is more critical than ever. Its low maintenance also aligns with the trend toward cost-effective, sustainable operations.

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 tube sets the standard because we’re all about quality, customization, and customer success. We offer a wide range of diameters, wall thicknesses, and lengths, with fast delivery for both small and large orders. Our team dives into your project, optimizing the tube for your petrochemical reactors to ensure maximum corrosion resistance and reliability. We keep pricing competitive, especially for bulk orders, without compromising on quality. Our sustainable production process uses recyclable materials, aligning with green industry trends. Plus, our hands-on support means you’re never left guessing—whether it’s technical advice or a custom solution, we make it happen.

Compared to other materials, our Monel 400 tube is a clear winner. Monel K-500 is stronger but slightly less corrosion-resistant in acidic environments, making 400 the better pick for petrochemical reactors. Stainless steel 316 is tough but struggles with certain acids and chlorides, unlike Monel 400. Hastelloy C-276 is great for extreme conditions but pricier and less ductile. Our tube is the go-to for acid-resistant petrochemical applications.

We craft our Monel 400 tube to meet strict standards like ISO 9001, ensuring quality you can trust every time. Whether you’re building piping for a refinery or tubing for a chemical reactor, this tube’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. 

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:

What is Monel 400 tube 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.

What are the main uses for Monel 400 tube in petrochemical reactors?
It’s used for tubing, piping, and fittings in reactors handling corrosive acids and chemicals.

Can Monel 400 tube handle high temperatures?
Yep, it’s stable up to 550°C, perfect for petrochemical reactors with moderate heat exposure.

Is Monel 400 tube cost-effective?
It’s pricier than stainless steel, but its durability and low maintenance in acidic environments make it a smart choice.

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

Can Monel 400 tube be customized?
Totally! We can adjust diameter, wall thickness, or length to meet your specific reactor needs.

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