Hastelloy C22 Bar: Superior Corrosion-Resistant Nickel Alloy for Harsh Environments
When industries face some of the harshest and most corrosive environments on earth, material selection becomes a matter of survival for equipment. This is where Hastelloy C22 Bar steps in. As a premium nickel-based alloy, it is engineered to deliver unmatched resistance against both oxidizing and reducing agents. At DLX, we have been working with high-performance alloys for years, and our experience shows that Hastelloy C22 is often the turning point when customers need a material that will simply not fail under extreme chemical exposure.
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Hastelloy C22 Bar is a nickel-chromium-molybdenum-tungsten alloy designed to provide versatility in environments that typically destroy conventional stainless steels and other lower-grade alloys. Its chemical makeup includes around 22% chromium, 13% molybdenum, and small amounts of tungsten and iron, all of which contribute to its unique performance profile. Unlike many alloys that are optimized only for oxidizing or reducing media, Hastelloy C22 performs equally well in both, which makes it one of the most adaptable corrosion-resistant materials available.
The bar form of this alloy is especially important. Bars are the raw stock for machining valves, fasteners, shafts, reactor components, and custom fittings that must withstand constant chemical attack. When customers choose DLX Hastelloy C22 Bar, they know they are getting raw material that will meet international standards, machine consistently, and hold up in aggressive service conditions.
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 |
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The versatility of Hastelloy C22 Bar is one of its strongest selling points. It is widely used across industries that depend on corrosion control as a top priority:
Chemical Processing: Reactors, heat exchangers, and pipelines often carry highly corrosive acids such as hydrochloric, sulfuric, or phosphoric. Hastelloy C22 provides long-term service where stainless steel would fail quickly.
Pharmaceutical Equipment: For high-purity applications where contamination cannot be risked, C22 resists both sterilization processes and aggressive cleaning agents.
Marine Engineering: Seawater is notoriously aggressive, especially in warm, stagnant conditions. C22 bars are machined into shafts, pumps, and seawater cooling systems that survive years of exposure.
Environmental Technology: Flue gas scrubbers, waste treatment plants, and pollution control systems rely on C22 to resist acidic condensates and chloride-laden environments.
Energy Sector: From geothermal plants to gas desulfurization units, C22 bars are chosen for their durability in mixed oxidizing and reducing atmospheres.
The common thread across these industries is the demand for reliability. Failures are costly, not only in terms of equipment replacement but also in safety, downtime, and environmental compliance. By choosing DLX Hastelloy C22 Bar, customers ensure their systems run longer and safer.
Industry Analysis
The demand for corrosion-resistant alloys has been steadily increasing. Rapid industrialization, tighter environmental regulations, and the push for efficiency mean that traditional materials often cannot cope. Stainless steel, while affordable and widely available, simply does not have the lifespan needed in modern chemical and marine industries.
Global markets show that Hastelloy C22 and similar nickel-based alloys are experiencing growth due to:
Expansion of Chemical Processing Plants: With global demand for chemicals increasing, producers are investing in reliable materials that can reduce downtime.
Environmental Regulations: More stringent emission and pollution controls push industries to adopt materials like C22 in scrubbers and waste processing units.
Marine and Offshore Development: The offshore oil and gas sector, as well as desalination projects, require materials that can survive in highly saline and corrosive waters.
Pharmaceutical Growth: With rising health sector investments worldwide, equipment manufacturers prefer materials that ensure purity and reliability.
From DLX’s perspective, this creates an opportunity to provide global customers with high-quality Hastelloy C22 Bars that are ready for use in these critical applications.
Why DLX Hastelloy C22 Bar?
When customers source from DLX, they are not just buying a piece of metal. They are investing in years of metallurgical expertise, quality assurance, and a commitment to reliability. Here are some of the advantages of choosing DLX as a supplier:
Consistent Quality: Every batch of Hastelloy C22 Bar undergoes strict testing for chemical composition, mechanical strength, and surface finish.
Global Logistics: We understand that industries around the world need materials delivered on time. Our logistics network ensures timely supply regardless of location.
Customization Options: From cut-to-length bars to specific machining requirements, DLX provides tailored solutions to meet exact project needs.
Technical Support: Our team of engineers and material specialists is always ready to advise on applications, welding techniques, and design optimization.
Competitive Pricing: While premium alloys are an investment, DLX ensures customers receive the best possible value without compromising on quality.
Comparison Table: Hastelloy C22 vs Common Alloys
| Property | Hastelloy C22 Bar | Stainless Steel 316L | Inconel 625 Bar |
|---|---|---|---|
| Base Material | Nickel-Chromium-Molybdenum | Iron-Nickel-Chromium | Nickel-Chromium-Molybdenum |
| Corrosion Resistance | Excellent in oxidizing & reducing media | Good in mild environments | Excellent, but less versatile than C22 |
| Chloride Resistance | High resistance to pitting/crevice | Moderate | High |
| Temperature Performance | Up to ~1250°C | Up to ~870°C | Up to ~1093°C |
| Weldability | Excellent | Good | Excellent |
| Seawater Resistance | Excellent long-term durability | Fair | Excellent |
| Typical Applications | Chemical processing, marine, pharma | Food, water, architecture | Aerospace, chemical plants |
| Cost Level | Higher | Lower | High |
Hastelloy C22 often gets compared to stainless steels and other nickel alloys like Inconel. While stainless steels are excellent for general use, they cannot handle highly reducing acids or chloride-rich environments for long. Inconel, while strong and corrosion-resistant, is more specialized for high-temperature service rather than broad-spectrum chemical resistance. Hastelloy C22 bridges this gap, offering both chemical and temperature resilience in one alloy.
This is why industries looking for a “do-it-all” material in corrosion-prone environments often default to C22. At DLX, our role is to ensure they get that alloy in the most reliable, cost-effective, and readily available form
The future of high-performance alloys is closely tied to sustainability and efficiency. As industries seek to reduce waste and extend equipment life cycles, demand for Hastelloy C22 Bar will continue to grow. From Asia’s expanding chemical plants to Europe’s strict environmental systems, this alloy is increasingly seen as a solution rather than an option.
DLX is positioned to meet this demand. With our strong supply chain, technical expertise, and customer-oriented approach, we are not only delivering material but also building long-term partnerships that support industrial growth and innovation.
Hastelloy C22 Bar is more than just a corrosion-resistant alloy—it is a reliable safeguard against the most aggressive environments. Its combination of strength, adaptability, and resistance to both oxidizing and reducing agents makes it indispensable across industries. At DLX, we provide this alloy with the assurance of quality, technical support, and timely delivery that our customers trust.
As industries worldwide continue to evolve and demand higher performance, DLX Hastelloy C22 Bar stands ready to meet the challenge, delivering unmatched value for harsh environments where reliability is non-negotiable.
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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:
Q1: What is Hastelloy C22 Bar made of?
A1: It is a nickel-chromium-molybdenum alloy with tungsten, designed for outstanding corrosion resistance.
Q2: Where is Hastelloy C22 Bar mainly used?
A2: It is widely used in chemical processing, marine engineering, flue gas scrubbers, and pharmaceutical industries.
Q3: What makes Hastelloy C22 Bar corrosion-resistant?
A3: Its balanced composition with high chromium, molybdenum, and tungsten provides resistance to oxidizing and reducing agents.
Q4: Can Hastelloy C22 Bar be welded?
A4: Yes, it has excellent weldability and can be joined using standard methods without cracking.
Q5: What industries prefer Hastelloy C22 Bar over stainless steel?
A5: Industries dealing with highly aggressive chemicals, seawater, and high-temperature environments prefer it.
Q6: How does Hastelloy C22 perform in seawater?
A6: It provides long-term resistance to localized corrosion such as pitting and crevice attack in seawater.
Q7: Is Hastelloy C22 Bar suitable for high-temperature service?
A7: Yes, it maintains strength and corrosion resistance in elevated temperatures.
Q8: Why choose DLX for Hastelloy C22 Bar supply?
A8: DLX provides consistent quality, competitive pricing, global logistics, and tailored solutions.
