Alloy 22 Pipe, Plate, Bar & Tube Supplier | UNS N06022 / Hastelloy® C-22 Nickel Alloy Manufacturer

Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of Alloy 22 Pipe, Plate, Bar & Tube Supplier | UNS N06022 / Hastelloy® C-22 Nickel Alloy Manufacturer in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.

Alloy 22 (UNS N06022; W. Nr. 2.4602; NiCr21Mo14W)

As a leading supplier of high-performance nickel alloys, we provide Alloy 22 (UNS N06022), a premier Ni-Cr-Mo-W grade renowned for its exceptional corrosion resistance. Also known as Werkstoff Nr. 2.4602, this versatile NiCr21Mo14W alloy is the ultimate choice for combating harsh environments in chemical processing, pollution control, and marine applications. We offer Alloy 22 in various forms to meet your most demanding project specifications.

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Alloy 22, also known as UNS N06022 and Hastelloy® C-22 alloy, is a high-performance nickel-chromium-molybdenum-tungsten corrosion resistant alloy designed for extremely aggressive industrial environments. This nickel alloy demonstrates outstanding resistance to oxidizing and reducing media, chloride-induced pitting, crevice corrosion, and stress corrosion cracking.

Compared with conventional stainless steels and standard nickel alloys, Alloy 22 offers superior long-term stability in mixed chemical environments containing chlorides, acids, seawater, and oxidizing contaminants.

As a professional nickel alloy manufacturer and exporter, Xi'an Dongmeng Group Co., Ltd supplies Alloy 22 pipes, tubes, sheets, plates, bars, and forged components for demanding industrial applications worldwide.

Excellent resistance to chloride pitting corrosion

Outstanding crevice corrosion resistance

Superior performance in oxidizing and reducing acids

High resistance to wet chlorine and ferric chloride

Stable metallurgical structure

Excellent fabrication and welding performance

Good thermal stability under high temperatures

Reliable long-term industrial service life

Suitable for offshore and marine environments

Strong resistance to stress corrosion cracking

Alloy 22 (UNS N06022) is the most versatile Nickel-Chromium-Molybdenum-Tungsten alloy with controlled Iron. Due to Alloy 22's content, this alloy exhibits excellent resistance to both oxidizing and reducing acid environments as well as those containing mixed acids. Alloy 22 is particularly useful for resistance to pitting and crevice corrosion in acid-halide environments. Alloy 22 is used in pickling chlorination, sulphonation plants, pollution control, chemical processing, marine and nuclear fuel reprocessing. 

INCONEL alloy 22 is designated as UNS N06022 and Werkstoff Nr. 2.4602. Standard product forms include sheet, strip, plate, round bar, flat bar, forging stock, hexagon, and wire. The products are available in a wide range of sizes.

Rod, Bar, Wire and Forging Stock -ASTM B 462 (Rod, Bar and Forging Stock), ASTM B 564 & ASME SB 564 (Forgings), ASTM B 574 & ASME SB 574 (Rod, Bar and Wire), ASME Code Case 2226, ASME Code Case N-621, ISO 9723, ISO 9724, DIN 17752 (Rod & Bar), DIN 17753 (Wire), DIN 17754 (Forgings)

Plate, Sheet and Strip - ASTM B 575/B 906 & ASME SB 575/SB 906, ASME Code Case 2226, ASME Code Case N-621, ISO 6208, DIN 17750

Pipe and Tube - ASTM B 619/B 775 & ASME SB 619/SB 775 (Welded Pipe), ASTM B 622/B 829 & ASME SB 622/SB 829 (Seamless Tube), ASTM B 626/B 751 & ASME SB 626/SB 751 (Welded Tube), ASME Code Case 2226, ASME Code Case N-621, ISO 6207, DIN 17751

Welding Products - INCONEL Filler Metal 622 - AWS A5.14 / ERNiCrMo-10, INCONEL Welding Electrode 622 - AWS A5.11 / ENiCrMo-10 Other

Product Forms - ASTM B 366 & ASME SB-366 (Fittings)

Composition - DIN 17744

Machining Characteristics

Alloy 22 is classified as a high-strength corrosion resistant nickel alloy with work-hardening tendencies. During CNC machining operations, rigid tooling systems and optimized cutting speeds are recommended to maintain dimensional stability and improve surface finish quality.

Recommended Processing Methods

CNC turning

Precision milling

Deep hole drilling

Waterjet cutting

Plasma cutting

Precision grinding

Processing Advantages

Stable dimensional tolerance

Excellent edge integrity

Good hot working capability

Reliable cold forming performance

Alloy 22 exhibits excellent weldability using standard industrial welding methods.

Recommended Welding Processes

GTAW / TIG Welding

GMAW / MIG Welding

Plasma Arc Welding

Submerged Arc Welding

The alloy maintains strong corrosion resistance in the heat-affected zone, making it suitable for pressure vessels, chemical reactors, and welded piping systems.

Welding Advantages

Low hot cracking sensitivity

Stable weld structure

Excellent post-weld corrosion resistance

Suitable for thick-wall welded structures

Superior Corrosion Resistance in Harsh Chemical Environments

Alloy 22 is widely recognized for its exceptional corrosion resistance in mixed acid and chloride-containing environments.

Resistant Media

Sulfuric acid

Hydrochloric acid

Nitric acid

Ferric chloride

Wet chlorine gas

Seawater

Organic acids

Chloride solutions

Corrosion Resistance Advantages

Outstanding resistance to pitting corrosion

Superior crevice corrosion resistance

Excellent stress corrosion cracking resistance

Reliable performance under oxidizing conditions

Long-term stability in chemical plants

For industries requiring highly corrosion resistant nickel alloy pipe and plate materials, Alloy 22 is considered one of the most reliable engineering solutions.

Chemical Processing Industry

Applications

Chemical reactors

Acid transfer pipelines

Pressure vessels

Scrubbers

Heat exchangers

Benefits

Reliable acid resistance

Long service life

Reduced maintenance costs

 

Flue Gas Desulfurization (FGD)

Applications

FGD scrubber systems

Chimney liners

Flue gas pipelines

Waste gas treatment systems

Benefits

Chloride resistance

Acid condensate resistance

High oxidation resistance

Offshore & Marine Industry

Applications

Seawater pipelines

Offshore platforms

Marine exhaust systems

Desalination equipment

Benefits

Excellent seawater corrosion resistance

Stable offshore performance

High structural reliability

 

Pharmaceutical & Petrochemical Industry

Applications

Pharmaceutical reactors

High-purity piping systems

Petrochemical processing equipment

Storage tanks

Benefits

Stable metallurgy

Contamination resistance

Reliable processing stability

Xi'an Dongmeng Group Co., Ltd maintains advanced production systems for high-performance nickel alloy manufacturing.

Manufacturing Capabilities

Hot rolling

Cold rolling

Seamless pipe production

Precision tube processing

CNC machining

Custom forging

Surface finishing

Heat treatment

Export Support

Custom dimensions

OEM processing

Third-party inspection

Global logistics support

Mill test certificate (MTC EN 10204 3.1)

Industrial Quality Control System

Every Alloy 22 product undergoes strict inspection and testing before shipment.

Inspection Procedures

Raw material PMI testing

Chemical composition analysis

Mechanical property testing

Ultrasonic testing (UT)

Eddy current testing

Hydrostatic testing

Surface inspection

Dimensional verification

Quality Standards

ISO quality management procedures

ASTM & ASME compliance

Third-party inspection available

SGS / BV / TUV support

Export Packaging Solutions

To ensure safe international transportation, Alloy 22 products are packed using industrial export-grade packaging systems.

Packaging Methods

Wooden export crates

Waterproof wrapping

Anti-rust protection

Steel strip reinforcement

End cap protection for pipes & tubes

Shipping Support

Sea freight

Air freight

Container loading

Bulk cargo shipping

Global export documentation support

Professional Nickel Alloy Supplier

Our Advantages

Extensive nickel alloy export experience

Stable raw material sourcing

Full ASTM/ASME production standards

Strict quality inspection system

Competitive factory-direct pricing

Fast delivery capability

Professional international sales support

OEM & custom fabrication available

Global Supply Markets

We export Alloy 22 products to:

USA

Germany

Italy

UAE

South Korea

Saudi Arabia

Southeast Asia

South America

What is Alloy 22 used for?

Alloy 22 is widely used in chemical processing, marine engineering, offshore platforms, flue gas desulfurization systems, and high-corrosion industrial environments.

Is Alloy 22 better than stainless steel?

Yes. Alloy 22 provides significantly better corrosion resistance than conventional stainless steels, especially in chloride-containing and acidic environments.

What is the difference between Alloy C276 and Alloy 22?

Alloy 22 generally offers improved resistance to oxidizing environments and enhanced pitting resistance compared with Alloy C276.

Can Alloy 22 be welded?

Yes. Alloy 22 has excellent weldability using TIG, MIG, and plasma welding methods while maintaining strong corrosion resistance.

Does Alloy 22 resist seawater corrosion?

Yes. Alloy 22 performs exceptionally well in seawater and offshore environments due to its chloride resistance properties.

What product forms are available?

We supply Alloy 22 pipes, tubes, plates, sheets, coils, bars, rods, forgings, flanges, and custom machined parts.

Is third-party inspection available?

Yes. SGS, BV, TUV, and other third-party inspections are available upon customer request.

Can you provide custom sizes?

Yes. Xi'an Dongmeng Group Co., Ltd supports OEM customization and special dimension manufacturing.

Xi'an Dongmeng Group Co., Ltd

Nickel Alloy & Special Metal Material Supplier

Products: Alloy 22 Pipe, Tube, Plate, Sheet, Bar, Rod & Forgings
Phone / WhatsApp / WeChat: +8615769214734
Email: office@dongmjd.com

We welcome global distributors, EPC contractors, industrial manufacturers, and engineering procurement companies to contact us for technical consultation and quotations.

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