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Help CenterMonel 400 Seamless Tube – Corrosion-Resistant for Marine Piping Systems
Product Spotlights
Seamless design ensures leak-free performance in piping systems
High durability for long-term use in seawater applications
Excellent resistance to stress-corrosion cracking
Reliable performance across a wide temperature range
Place of Origin: China Jiangsu
Certification: CE,ROHS
Monel 400、Monel K500
Why Choose Us?
22+ years in alloy materials manufacturing.
Global shipping with DDP options.
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Our Incoloy 925 High-Strength Plates are a total powerhouse for sour gas and downhole equipment, and we’re excited to bring them to the oil and gas industry. This nickel-iron-chromium alloy, packed with molybdenum, copper, titanium, and aluminum, is built to handle the nastiest conditions you’ll find deep underground.
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.
These plates are perfect for crafting downhole tools, valves, and fittings that need to survive in sour gas wells—places where hydrogen sulfide and other corrosive gases are a constant threat. Incoloy 925 is a champ at resisting sulfide stress cracking, so your equipment stays solid even in the harshest environments. It’s also got the strength to handle the insane pressures and temperatures you’ll find downhole, staying tough up to 650°C without breaking a sweat.
We know what oil and gas folks need: equipment that can take a beating and keep going. Our Incoloy 925 Plates deliver just that, with top-notch corrosion resistance that stands up to sour gas and salty brines. Users want materials that can handle high-stress jobs without cracking or corroding, and these plates are up for the challenge. They’re also looking for long-term reliability to cut down on costly repairs, and that’s exactly what we’re offering with this durable alloy.
The oil and gas industry as of May 2025 is diving deeper than ever, with trends showing more focus on sour gas fields and extreme downhole conditions. There’s a big push for materials that can keep up with these challenges while meeting strict safety and environmental standards. Our Incoloy 925 Plates are right in the mix, helping companies tackle tough wells with confidence while keeping operations safe and efficient.
With our Incoloy 925 High-Strength Plates, you’re getting a material that’s strong, corrosion-resistant, and ready for the toughest sour gas and downhole jobs. It’s the go-to choice for keeping your equipment running strong, no matter how harsh things get.
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.
FAQ：
1.What is Monel 400 Seamless Tube made of?
It’s a nickel-copper alloy with about 67% nickel and 23% copper, known for its corrosion resistance.
2.Why is it used in marine piping systems?
Its ability to resist seawater corrosion makes it ideal for harsh marine environments.
3.Can Monel 400 handle saltwater exposure?
Yes, it’s specifically designed to withstand saltwater without corroding or degrading.
4.What types of marine applications use this tube?
It’s used in seawater pipelines, shipbuilding, and offshore platform piping systems.
5.Does the seamless design make a difference?
Absolutely, it prevents leaks and ensures reliability in high-pressure marine systems.
6.How does it perform in extreme temperatures?
It stays stable from cryogenic temperatures to around 500°C, perfect for marine conditions.
7.What industries besides marine use Monel 400 Tubes?
It’s also used in chemical processing, oil and gas, and power generation industries.
8.How long do these tubes last in marine environments?
With their durability and corrosion resistance, they can last decades in seawater setups.
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