Hastelloy C276 Tubing Manufacturer & Supplier - USA Piping Solution

When the operating environment throws its worst at your equipment - think aggressive chemicals, high heat, demanding pressures - standard materials often wave the white flag. That's precisely where the resilience of Hastelloy C276 Tubing comes into its own. Recognized globally under the designation UNS N10276, this nickel-molybdenum-chromium superalloy stands as a benchmark for corrosion resistance in truly severe conditions. Here at USA Piping Solution, we function as both a key manufacturer and a deeply experienced supplier of this exceptional material. We understand the critical nature of applications in chemical processing, pollution control, marine technology, and power generation. Consequently, we provide robust Hastelloy C276 solutions, including ASTM B622 Tubing (seamless) and high-integrity welded forms, all produced to meet demanding international standards. For reliable access, insightful technical collaboration, and efficient worldwide delivery of top-tier Nickel Alloy Tubing, look to USA Piping Solution.

Understanding Hastelloy C276 Tubing: Beyond the Basics

Hastelloy C276 isn't just another name in the alloy catalog; it represents decades of proven performance in environments that would make lesser metals crumble. What gives it this extraordinary capability? It starts with its sophisticated nickel-molybdenum-chromium foundation, strategically fortified with tungsten. This carefully engineered composition delivers exceptional resistance across an unusually broad spectrum of corrosive media - a versatility that few other alloys can match.

Consider its strengths: C276 confidently handles both strongly oxidizing and reducing agents. This dual capability is remarkable. It stands firm against common culprits like pitting and crevice corrosion, which often plague materials in chloride-rich environments. It also demonstrates impressive resistance to stress corrosion cracking. Digging deeper, the high molybdenum and chromium levels provide the muscle against general corrosive attack, while the added tungsten bolsters this resistance further. Perhaps one of its most vital characteristics, especially from a fabrication standpoint, is its exceptionally low carbon content (≤0.01%). Why does this matter? It dramatically minimizes the risk of forming detrimental chromium carbides along the grain boundaries during welding. This means that, in most scenarios, the material retains its excellent corrosion resistance right in the weld zone without needing a subsequent heat treatment - a huge advantage in constructing complex equipment. It's this combination of factors that makes Corrosion Resistant Tubing like Hastelloy C276 the material engineers specify when facing challenges like wet chlorine gas, hypochlorite solutions, ferric/cupric chlorides, seawater, brine, sour gas, and numerous aggressive industrial chemicals. It is, quite simply, a problem-solver for extreme corrosion scenarios.

Nailing Down the Specifications: Hastelloy C276 Tubing Technicals

High-performance applications demand materials that meet precise, verifiable specifications. USA Piping Solution ensures every length of Hastelloy C276 Tubing conforms to the rigorous requirements set forth by relevant international standards.

Standards and Grades Identification

Category	Pertinent Details
UNS Designation	N10276
Werkstoff Nr.	2.4819
Key ASTM/ASME Specs	B622 / SB622: The go-to standard for Seamless Nickel Alloy Tube.
	B619 / SB619: Covers Welded Nickel Alloy Pipe.
	B626 / SB626: The standard for Welded Nickel Alloy Tube.
	Note: Base material often sourced to plate/sheet specs like B575.

Dimensional Scope

Dimension	Typical Availability Range
Outer Diameter (OD)	Common tubing sizes range widely, from small instrumentation lines (e.g., 1/8" / 3.18mm) up to diameters around 6" (152.4mm). Larger sizes usually fall under pipe specs or require custom fabrication.
Wall Thickness (WT)	Available from thin walls suitable for heat exchangers (e.g., 0.028" / 0.71mm) up to substantial thicknesses for pressure containment (e.g., 0.5" / 12.7mm or more).
Lengths	Provided in standard mill lengths or, more frequently, precision cut-to-length as per customer drawings (up to ~6 meters / 20 ft is common).

Dimensional tolerances are tightly controlled according to the applicable ASTM/ASME standard, ensuring precision.

The Chemical Formula for Extreme Resistance

The extraordinary ability of Hastelloy C276 to withstand harsh chemical attack is coded into its unique elemental makeup. This isn't a simple alloy; it's a sophisticated blend where each component plays a crucial role:

Element	Symbol	Nominal Content (% by Weight)	Its Contribution to Performance
Nickel	Ni	Balance (~57%)	As the base, nickel imparts fundamental toughness, good high-temperature properties, and excellent resistance to alkaline media and stress corrosion cracking.
Molybdenum	Mo	15.0 - 17.0%	This substantial Mo content is key for superior resistance against reducing acids (HCl, H₂SO₄), and provides outstanding defense against localized pitting and crevice corrosion, especially in the presence of chlorides.
Chromium	Cr	14.5 - 16.5%	Chromium is essential for combating oxidizing conditions (like nitric acid, oxidizing salts, wet chlorine). It forms the vital passive surface layer.
Iron	Fe	4.0 - 7.0%	A controlled addition that influences metallurgy and cost-effectiveness.
Tungsten	W	3.0 - 4.5%	Tungsten works synergistically with Mo and Cr to further enhance resistance to pitting, crevice attack, and general corrosion across a wide range of aggressive media.
Cobalt	Co	≤ 2.5%	Usually present as a residual element from the nickel source.
Carbon	C	≤ 0.01%	Critically low. This minimizes the formation of detrimental carbides at grain boundaries during welding, thereby preserving the alloy's corrosion resistance in the crucial heat-affected zone (HAZ) without needing post-weld heat treatment in most cases.
Silicon	Si	≤ 0.08%	Primarily functions during the melting process as a deoxidizer.
Manganese	Mn	≤ 1.0%	Adds minor strength and improves hot workability during initial processing.
Phosphorus	P	≤ 0.04%	Impurity, kept low.
Sulfur	S	≤ 0.03%	Impurity, limited for optimal weldability and toughness.
Vanadium	V	≤ 0.35%	Controlled residual element.

This carefully orchestrated composition results in Nickel Alloy Tubing with unparalleled versatility in harsh chemical service.

Mechanical Strength Profile: Robustness Under Pressure

While primarily selected for its corrosion resistance, Hastelloy C276 also delivers solid mechanical properties, enabling its use in structurally demanding components operating within corrosive streams. Here are typical minimum values for annealed C276:

Property	Minimum Expected Value	Practical Relevance
Tensile Strength (UTS)	≥ 690 MPa (≥ 100 ksi)	Indicates a high level of strength, resisting fracture when subjected to pulling forces.
Yield Strength (0.2% offset)	≥ 283 MPa (≥ 41 ksi)	Shows good resistance against permanent deformation under operational loads.
Elongation (% in 50mm/2")	≥ 40%	This high value points to excellent ductility, meaning the material can be formed and bent considerably without breaking, indicating good toughness.
Hardness (Rockwell B)	≤ 100 HRB (Approx. ≤ 240 HB)	Reflects a workable hardness in the annealed condition, though care must be taken during machining due to work-hardening tendencies.

This combination ensures that Hastelloy C276 Tubing not only survives chemically but also maintains mechanical integrity under demanding service conditions.

Available Product Forms and Finishes

To accommodate various design and fabrication requirements, USA Piping Solution offers Hastelloy C276 tubing in several common configurations:

• Manufacturing Types:
• Seamless: Forged without welds (typically per ASTM B622 Tubing), offering the highest assurance of material uniformity and pressure containment.
• Welded: Constructed by welding formed strip (often via TIG/Plasma processes per ASTM B626/B619), providing a reliable and often more economical option, especially for larger sizes.
• Common Shapes:
• Round: The standard for most piping, tubing, and heat exchanger applications.
• Square & Rectangular: Can be sourced for specific structural or equipment housing needs.
• Coiled: Available for specialized applications requiring long, continuous lengths, like downhole chemical injection lines.
• Surface Finishes:
• Annealed & Pickled (A&P): The most common finish, providing a clean, matte surface optimized for corrosion performance.
• Bright Annealed (BA): Achieved through controlled atmosphere annealing, resulting in a brighter, smoother surface without acid pickling.
• Polished: Various levels of mechanical polishing can be applied for applications requiring specific surface smoothness or aesthetic qualities.

Where Performance Matters: C276 Applications

The remarkable chemical resilience of UNS N10276 Tubing makes it a critical material in sectors where corrosion is a major operational threat:

• Chemical Processing: A true workhorse in reactors, heat exchangers, piping systems, distillation columns, and vessels handling aggressive substances like strong acids (sulfuric, hydrochloric, formic, acetic), wet chlorine gas, chlorine dioxide, and solutions containing oxidizing metallic chlorides. It's a go-to for Chemical Process Tubing.
• Environmental Protection / Pollution Control: Essential components within Flue Gas Desulfurization (FGD) units in power plants and industrial incinerators. Used for scrubbers, ductwork, dampers, stack liners, and reheaters that encounter acidic condensates and chlorides.
• Pulp and Paper Production: Stands up to the corrosive chemicals used in bleaching processes (especially those involving chlorine dioxide) and in pulp digesters.
• Marine Environments: While often exceeding the requirements for simple seawater handling (where Monel 400 might suffice), C276 is deployed in highly critical marine systems facing specific chemical contaminants or severe localized corrosion risks.
• Waste Management: Effectively handles aggressive industrial and municipal waste streams that often contain complex mixtures of acids, chlorides, and other challenging substances.
• Pharmaceutical Manufacturing: Chosen for applications where process purity must be maintained in the presence of highly corrosive cleaning agents or reactants.
• Oil & Gas (Sour Service): Qualified under NACE MR0175/ISO 15156 for handling sour gas (H₂S) and high-chloride environments encountered in exploration and production.
• High-Temperature Challenges: While primarily known for corrosion, its nickel base provides decent strength at elevated temperatures, finding use in specific High-Temperature Tubing scenarios where severe corrosion is also present.

Its ability to handle such a diverse range of aggressive conditions solidifies Hastelloy C276's position as a premier problem-solving alloy.

Guide to Available Sizes

USA Piping Solution provides Hastelloy C276 Tubing covering a wide array of standard imperial and metric dimensions. The chart below offers a representative sample of common Outside Diameter (OD) and Wall Thickness (WT) combinations.

Common Tubing Sizes (Seamless & Welded)

Outer Diameter (OD)	Representative Wall Thicknesses (WT) Available
inches (mm)	inches / mm / BWG Equivalent
1/4" (6.35)	0.035" (0.89mm, ~20BWG), 0.049" (1.24mm, ~18BWG), 0.065" (1.65mm, ~16BWG)
1/2" (12.7)	0.049", 0.065", 0.083" (2.11mm, ~14BWG)
3/4" (19.05)	0.065", 0.083", 0.095" (2.41mm, ~13BWG), 0.109" (2.77mm, ~12BWG)
1" (25.4)	0.065", 0.083", 0.109", 0.120" (3.05mm)
...	...
4" (101.6)	0.083", 0.109", 0.120", 0.188" (4.78mm), 0.250" (6.35mm)

Our inventory is far more extensive than this brief overview. For confirmation on specific OD, WT, and length combinations currently in stock or available with short lead times, please contact USA Piping Solution directly.

Our Assurance: Certifications & Compliance

When dealing with advanced alloys for critical service, documented proof of quality isn't just important, it's mandatory. USA Piping Solution delivers Hastelloy C276 Tubing with full certification and compliance assurance:

• ISO 9001:2015 Certified Supplier: Our quality management system adheres to the rigorous standards of ISO 9001, ensuring consistent processes and reliable product delivery.
• EN 10204 3.1 / 3.2 Mill Test Reports: Standard documentation includes MTCs to EN 10204 3.1, providing complete material traceability (heat/lot numbers) and verified chemical/mechanical test results from the originating mill. We routinely facilitate EN 10204 3.2 certification (with third-party validation) when projects demand it.
• NACE MR0175 / ISO 15156 Ready: We ensure materials designated for sour service applications meet the requirements of these critical oil and gas industry standards when specified.
• PED 2014/68/EU Compliance: For pressure equipment intended for the European market, we can supply materials with the necessary PED certification upon request.
• ASTM/ASME Standards Met: All tubing is guaranteed to conform to the chemical, mechanical, testing, and dimensional requirements of the designated ASTM/ASME standard (e.g., B622, B626).
• Third-Party Inspection Welcomed: We seamlessly coordinate with customer-specified or independent third-party inspection agencies for additional verification steps.

Why USA Piping Solution is Your Ideal Hastelloy C276 Partner

Choosing the right supplier for demanding alloys like C276 involves more than just finding the material. USA Piping Solution offers compelling advantages:

• Significant Inventory: We maintain substantial stocks of frequently requested Hastelloy C276 tubing sizes, meaning faster access for your urgent needs.
• Tailored Fabrication Support: Need tubes cut to specific lengths? Require a particular finish? Our value-added services help streamline your manufacturing process.
• Competitive Sourcing Edge: Our established relationships with world-class mills enable us to offer competitive pricing on premium Hastelloy C276 without compromising quality standards.
• Reliable Global Logistics: We possess the expertise to manage complex shipping requirements, ensuring your materials arrive safely and on time, anywhere in the world, with correct documentation.
• Unwavering Quality Commitment: From sourcing to final inspection, our focus is on delivering fully certified, traceable material that meets every specification.
• In-Depth Technical Knowledge: Our team understands the performance characteristics and application nuances of Hastelloy C276, offering valuable support beyond just fulfilling an order.

Why USA Piping Solution is Your Ideal Hastelloy C276 Partner

Choosing the right supplier for demanding alloys like C276 involves more than just finding the material. USA Piping Solution offers compelling advantages:

• Significant Inventory: We maintain substantial stocks of frequently requested Hastelloy C276 tubing sizes, meaning faster access for your urgent needs.
• Tailored Fabrication Support: Need tubes cut to specific lengths? Require a particular finish? Our value-added services help streamline your manufacturing process.
• Competitive Sourcing Edge: Our established relationships with world-class mills enable us to offer competitive pricing on premium Hastelloy C276 without compromising quality standards.
• Reliable Global Logistics: We possess the expertise to manage complex shipping requirements, ensuring your materials arrive safely and on time, anywhere in the world, with correct documentation.
• Unwavering Quality Commitment: From sourcing to final inspection, our focus is on delivering fully certified, traceable material that meets every specification.
• In-Depth Technical Knowledge: Our team understands the performance characteristics and application nuances of Hastelloy C276, offering valuable support beyond just fulfilling an order.

Exploring Other High-Performance Alloy Options

Our expertise isn't limited to C276. We supply a wide range of materials designed for challenging environments:

Final Call to Action

Are you seeking dependable Hastelloy C276 Tubing to master extreme corrosion challenges in your industrial processes? USA Piping Solution is your expert source. We provide premium UNS N10276 Tubing, conforming to stringent industry standards and ready to perform in the toughest chemical, marine, and high-temperature applications. Secure the durability and reliability your critical systems need with materials supplied by USA Piping Solution.

Connect with us today to leverage:

✅ Our extensive inventory covering a wide range of C276 sizes.
✅ Custom solutions, including precise cutting and fabrication support.
✅ Efficient and reliable global delivery capabilities.
✅ Comprehensive technical expertise and support.

Don't let corrosion dictate your equipment's lifespan. Contact us today to request a detailed quote or to consult with our experienced alloy specialists about your specific project requirements! Let USA Piping Solution deliver the ultimate protection.

Request Your Hastelloy C276 Tube Quote Today!