Hastelloy C-22 Seamless Tube for Marine Vessel Seawater Piping
Our Hastelloy C-22 seamless tubes are the ultimate solution for marine vessel seawater piping. Made from a nickel-chromium-molybdenum alloy, these tubes are engineered to withstand the brutal corrosion of seawater, chlorides, and harsh marine conditions. Their seamless construction ensures maximum strength and reliability, making them perfect for cooling systems, desalination units, and piping on ships and offshore platforms. Easy to weld and form, they resist pitting, crevice corrosion, and stress corrosion cracking, while handling sulfuric acid and oxidizing media with ease.
The marine industry is navigating a wave of growth, with global demand for corrosion-resistant materials surging. Stricter environmental regulations and the rise of offshore oil and gas exploration are driving the need for durable seawater piping. Desalination plants and marine vessels are expanding, especially in coastal and emerging markets, fueling demand for high-performance alloys. Trends show a shift toward seamless tubing that offers longer lifespans and lower maintenance costs, especially in harsh marine environments. Our Hastelloy C-22 seamless tubes are perfectly positioned to meet these needs, delivering reliability in a competitive market.
Comparison Parameters Table
Parameter | Hastelloy C-22 Seamless Tubes | Other Nickel Alloys | Stainless Steel |
---|---|---|---|
Seawater Corrosion Resistance | Exceptional in chloride-rich marine environments | Good, but less effective in high chlorides | Poor, corrodes quickly in seawater |
Temperature Resilience | Reliable at high temperatures | Varies, some alloys weaken at extreme heat | Limited, degrades under high temps |
Weldability | Excellent, no corrosion in weld zones | Good, some need special techniques | Moderate, weld zones prone to corrosion |
Pitting/Crevice Corrosion | Superior resistance in seawater and chlorides | Moderate, depends on alloy | Poor, highly susceptible to pitting |
Oxidizing Media Resistance | Strong in oxidizing and reducing conditions | Varies, some struggle with oxidizing media | Better in oxidizing, weak in reducing acids |
Durability | Extremely durable, long service life | Moderate to high, depends on alloy | Moderate, shorter lifespan in marine settings |
Fabrication Ease | Seamless design, easy to weld and form | Moderate, some alloys harder to work with | Easy, but corrosion limits applications |
Cost-Effectiveness | Higher upfront cost, long-term savings | Varies, some cheaper but less durable | Low cost, but frequent replacements needed |
Our Hastelloy C-22 seamless tubes are built for tough marine environments:
Marine Vessels: Ideal for seawater cooling systems and piping on ships.
Oil and Gas: Perfect for offshore platforms handling corrosive seawater.
Desalination: Reliable in high-chloride environments of water treatment systems.
Chemical Processing: Used in coastal facilities exposed to marine conditions.
Power Generation: Stands up to seawater in coastal power plant cooling systems.
These tubes are your go-to for systems where corrosion resistance and durability are critical.
Specification
item | HC-276 | C-22 | C-4 | B2 | B3 | N |
C | ≤0.01 | ≤0.015 | ≤0.015 | ≤0.02 | ≤0.01 | 0.04-0.08 |
Mn | ≤1 | ≤0.5 | ≤1 | ≤1 | ≤3 | ≤1 |
Fe | 4-7 | 2-6 | ≤3 | ≤2 | ≤1.5 | ≤5 |
P | ≤0.04 | ≤0.02 | ≤0.04 | ≤0.04 | -- | ≤0.015 |
S | ≤0.03 | ≤0.02 | ≤0.03 | ≤0.03 | -- | ≤0.02 |
Si | ≤0.08 | ≤0.08 | ≤0.08 | ≤0.1 | ≤0.1 | ≤1 |
Ni | rest | rest | rest | rest | ≤65 | rest |
Co | ≤2.5 | ≤2.5 | ≤2 | ≤1 | ≤3 | ≤0.2 |
Ti+Cu | -- | -- | ≤0.7 | -- | ≤0.4 | ≤0.35 |
Al+Ti | -- | -- | -- | -- | ≤0.5 | ≤0.5 |
Cr | 14.5-16.5 | 20-22.5 | 14-18 | ≤1 | ≤1.5 | 6-8 |
Mo | 15-17 | 12.5-14.5 | 14-17 | 26-30 | ≤28.5 | 15-18 |
B | -- | -- | -- | -- | -- | ≤0.01 |
W | 3-4.5 | 2.5-3.5 | -- | -- | ≤3 | ≤0.5 |
V | ≤0.35 | ≤0.35 | -- | 0.2-0.4 | -- | ≤0.5 |
Shape | Size (mm) |
Wire | 0.5-7.5 |
Rod/Bar | 8.0-200 |
Strip | (0.5-2.5)*(5-180) |
Tube/Pipe | Custom made |
Sheet/Plate | Custom made |
For more details, pls directly contact us.
Our Hastelloy C-22 seamless tubes set the bar high with unmatched quality and performance. We manufacture to strict ASTM standards, ensuring top-tier corrosion resistance and strength. Every tube undergoes rigorous in-house testing to handle the toughest marine environments. Our large inventory and fast delivery keep your projects on track, and we offer custom sizes to fit your exact needs. Our expert team provides support from design to installation. While others might skimp on quality, we deliver tubes that last, saving you downtime and replacement costs.
Conclusion
For marine vessel seawater piping, our Hastelloy C-22 seamless tubes are the smart pick. They combine superior corrosion resistance, high-temperature strength, and seamless construction to meet the demands of harsh marine environments. With the marine industry growing and regulations tightening, our tubes offer the durability and reliability you need to stay ahead. Trust us for quality, fast service, and a partner who understands your industry’s challenges.
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:
Why use Hastelloy C-22 seamless tubes for marine vessel seawater piping?
They’re built to resist corrosion from seawater, chlorides, and harsh marine environments, ensuring long-lasting performance.What industries rely on Hastelloy C-22 seamless tubes?
Marine, oil and gas, chemical processing, desalination, and power generation depend on their durability.Can Hastelloy C-22 tubes handle high temperatures?
Totally, they stay strong even under high heat, perfect for demanding marine applications.Are Hastelloy C-22 seamless tubes weldable?
Yep, they weld easily and maintain corrosion resistance in welded zones.What corrosives can Hastelloy C-22 tubes withstand?
They tackle seawater, chlorides, sulfuric acid, and oxidizing media like champs.How do Hastelloy C-22 tubes perform against pitting and crevice corrosion?
They’re top-notch at resisting pitting and crevice corrosion, even in chloride-rich environments.What’s the lifespan of Hastelloy C-22 seamless tubes in marine systems?
With proper care, they can last decades, outlasting most other materials.Are Hastelloy C-22 seamless tubes cost-effective?
Their long life and low maintenance make them a smart choice for marine vessels.