Hastelloy C22/C276 Buttweld Fittings Supplier Abu Dhabi

In high-stakes industrial environments, material failure is a risk few can afford. For engineers and project managers designing critical piping systems, the selection of fittings is a decision that directly impacts safety, reliability, and long-term operational costs. This is where Hastelloy C22 Buttweld Fittings distinguish themselves. Known scientifically as UNS N06022, this nickel-chromium-molybdenum alloy is engineered to provide exceptional performance where others fall short .

Unmatched Resilience in Aggressive Conditions

The value of Hastelloy C22 lies in its unique metallurgical makeup, which provides a formidable defense against a wide spectrum of corrosive threats.

Superior Corrosion Resistance: This alloy offers outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking . It performs exceptionally well against both oxidizing and reducing chemicals, making it a versatile and robust choice for a variety of harsh processing environments .
Metallurgical Stability: A key advantage is its resistance to sensitization during welding . This means the material maintains its corrosion-resistant properties and structural integrity at the weld joint, avoiding the common issue of intergranular attack that can plague other alloys.
High-Temperature Performance: Hastelloy C22 retains its mechanical strength and toughness even under intense heat, ensuring reliable service in high-temperature applications where other materials would deform or fail .

The Right Choice for Critical Industries

Because of its robust performance characteristics, Hastelloy C22 Buttweld Fittings are the preferred component for the most demanding industrial sectors.

Chemical Processing: The alloy's ability to handle a broad range of aggressive acids and chlorides makes it a staple in chemical plants and petrochemical refineries .
Oil and Gas: For operations dealing with sour gas and corrosive fluids, these fittings provide the necessary resistance to hydrogen sulfide and other damaging elements, ensuring safe and reliable pipeline integrity .
Pharmaceutical and Marine: From maintaining purity in pharmaceutical facilities to resisting the relentless attack of seawater in marine applications, the alloy's reliability is critical for operational continuity and safety .

Ensuring Quality and Performance

For project engineers, particularly those sourcing components in major industrial hubs, finding a dependable Hastelloy C22 Buttweld Fittings Supplier is paramount. A trustworthy partner provides more than just a product; they offer assurance through strict adherence to standards like ASTM B366 and ASME SB366 . This is crucial for clients in the region, such as those seeking a reliable source for Hastelloy C22 Pipe Fittings in Abu Dhabi or a Hastelloy C22 Buttweld Fittings Exporter in Dubai.

C22/C276 Hastelloy ASTM B366 Buttweld Fittings Equivalent Grades

STANDARD	UNS	WNR.	EN	JIS	GOST	OR
Hastelloy C22	N06022	2.4602	NiCr21Mo14W	NW 6022	-	-
Hastelloy C276	N10276	2.4819	NiMo16Cr15W	NW 0276	ХН65МВУ	ЭП760

Hastelloy C22/C276 Elbow

Designed to redirect process flow efficiently, the Hastelloy C22/C276 Elbow provides exceptional resistance to oxidizing acids, chlorides, pitting, and aggressive chemical environments.

Hastelloy Alloy C22/C276 Tee

Engineered for reliable branch connections, the Hastelloy Alloy C22/C276 Tee delivers outstanding corrosion resistance and mechanical stability in chemical processing, pharmaceutical, and petrochemical facilities.

Hastelloy C22/C276 Eccentric Reducer

Facilitating smooth pipe size transitions, the Hastelloy C22/C276 Eccentric Reducer minimizes flow turbulence while ensuring superior protection against localized corrosion and chemical attack.

Hastelloy C22/C276 Concentric Reducer

Providing balanced fluid flow between different pipe diameters, the Hastelloy C22/C276 Concentric Reducer offers exceptional durability in highly corrosive process systems handling aggressive chemicals.

Hastelloy C22/C276 Long Stub End

Manufactured for secure lap joint flange assemblies, the Hastelloy C22/C276 Long Stub End combines excellent weldability with long-term resistance to severe chemical corrosion.

Hastelloy C22/C276 Short Stub End

Designed for compact flange connections, the Hastelloy C22/C276 Short Stub End ensures dependable sealing performance in acid processing plants, chemical reactors, and corrosive piping systems.

Hastelloy C22/C276 Cap

Providing leak-proof pipeline termination, the Hastelloy C22/C276 Cap protects critical process lines against highly corrosive media while maintaining outstanding structural integrity.

Hastelloy C22/C276 Cross

Creating dependable four-way pipeline intersections, the Hastelloy C22/C276 Cross delivers exceptional resistance to pitting, crevice corrosion, and chloride-induced degradation in demanding industrial environments.

Hastelloy C22/C276 Pipe Bend

Optimized for controlled flow redirection, the Hastelloy C22/C276 Pipe Bend offers superior corrosion resistance and long-term reliability for chemical processing, offshore, and pollution control systems.

Alloy Grades :

Hastelloy C22 & C276

UNS Numbers :

N06022 / N10276

Material Standard :

NACE MR0175 / ISO 15156

Construction Code :

ASME B16.9

Chemical Resistance :

Oxidizing & Reducing Acids

Localized Corrosion :

Outstanding Pitting Protection

Metallurgical Property :

Low Carbon Nickel Alloy

Process Capability :

Aggressive Chemical Handling

Inspection Method :

PMI, RT & UT

Quality Documentation :

EN 10204 3.1

Performance Benefit :

Stress Corrosion Crack Resistance

End-Use Industries :

Chemical & Pharmaceutical Plants

Chemical Composition of Hastelloy C22/C276 Seamless and Welded Pipe Fittings

Grade	Ni	C	Mo	Mn	Si	Fe	P	S	Co	Cr	W	V
Hastelloy C22	Balance	0.010 max	12.5-14.5	0.50 max	0.08 max	2-6	0.02 max	0.02 max	2.5 max	20-22.5	2.5-3.5	0.35 max
Hastelloy C276	Balance	0.01 max	15–17	1.0 max	0.08 max	4–7	0.04 max	0.03 max	2.5 max	14.5–16.5	3–4.5	0.35 max

Mechanical Properties Of ASME SB366 Hastelloy Buttweld Pipe Fittings

Grade	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Hastelloy C22	8.69 g/cm3	1399 °C (2550 °F)	Psi – 1,00,000, MPa – 690	Psi – 45000, MPa – 310	45 %
Hastelloy C276	8.89 g/cm3	1370 °C (2500 °F)	Psi – 1,15,000 , MPa – 790	Psi – 52,000 , MPa – 355	40 %

Physical Properties of Hastelloy C22 Buttweld Fittings

Properties	Metric	Imperial
Density	8.94 g/cm3	0.323 lb/in3

Our Hastelloy C22 Buttweld Fittings are used in a wide range of applications and various industries. Below are a few of them:

Application Industries

Aerospace Industry

Food Processing Industry

Pulp & Paper Indusry

Energy Industry

Pharmaceuticals Industry

Power Plant Industry

Chemical Industry

Oil and Gas Industry

Hastelloy C22 Buttweld Fittings

Frequently Asked Questions

Get clear answers to common queries about our steel products, services, and delivery processes.

Why are Hastelloy C22/C276 Buttweld Fittings recommended for aggressive chemical processing?

Hastelloy C22 and C276 are high-performance nickel-chromium-molybdenum alloys that provide exceptional resistance to oxidizing acids, reducing acids, chlorides, pitting, crevice corrosion, and stress corrosion cracking, making them ideal for severe chemical environments.

Which industries use Hastelloy C22/C276 Buttweld Fittings?

These fittings are widely used in chemical processing plants, pharmaceutical manufacturing, petrochemical facilities, fertilizer production, pollution control systems, pulp and paper mills, and offshore processing units.

What is the difference between Hastelloy C22 and Hastelloy C276?

Hastelloy C22 offers enhanced resistance to oxidizing chemicals and localized corrosion, while Hastelloy C276 provides excellent overall corrosion resistance across a broader range of reducing and mixed chemical environments. The selection depends on the specific process media and operating conditions.

Which international standards are followed for Hastelloy C22/C276 Buttweld Fittings?

These fittings are commonly manufactured in accordance with ASTM B366, ASME SB366, ASME B16.9, ASME B16.28, and MSS SP-43 standards, accompanied by comprehensive inspection and material traceability documentation.

What inspections ensure the quality of Hastelloy C22/C276 Buttweld Fittings?

To ensure full compliance with international engineering and quality standards, manufacturers conduct comprehensive inspection procedures, including Positive Material Identification (PMI), Ultrasonic Testing (UT), Radiographic Testing (RT), Hydrostatic Testing, Dimensional Verification, and Chemical and Mechanical Property Evaluation.

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Hastelloy C22 Buttweld Fittings

Overview

Equivalant Grade

C22/C276 Hastelloy ASTM B366 Buttweld Fittings Equivalent Grades

Hastelloy Buttweld Fittings Other Type

Technical Specifications

Properties