Hastelloy C276 Tube
Alloy C276 Welded and Seamless Tubes for Severe Corrosion, Mixed Acid and Chemical Processing Service
GAOFA TECH supplies Hastelloy C276 / Alloy C-276 welded and seamless tubes for severe corrosion, mixed acid review, chloride-bearing media, chemical processing equipment, corrosive heat exchangers, FGD scrubbers, acid service, wet chlorine-related environments and selected sour or chloride-containing service applications.
Alloy C276 tube selection should be reviewed according to working medium, acid concentration, temperature, chloride level, oxidizing or reducing condition, impurities, pressure, tube form, fabrication process, inspection requirement and customer specification.
Hastelloy C276 Tube Supply Scope
This page is designed for buyers searching for Hastelloy C276 tube, Alloy C276 tube, UNS N10276 tube, 2.4819 tube, Hastelloy C276 welded tube, Hastelloy C276 seamless tube, ASTM B622 C276 tube, ASTM B626 C276 welded tube, C276 heat exchanger tube, C276 chemical processing tube and severe corrosion-resistant nickel alloy tube.
Both welded and seamless Hastelloy C276 tube directions can be reviewed according to standard, size and application.
Nickel-chromium-molybdenum-tungsten alloy direction for severe corrosion and chemical processing service.
Reactors, heat exchangers, columns, scrubbers, FGD equipment, acid service and mixed chemical media.
Review C276 when Alloy 625 or stainless steels may not provide enough resistance in more aggressive media.
Who Commonly Reviews Hastelloy C276 Tubes?
C276 tube inquiries usually come from buyers who need stronger corrosion resistance than stainless steel, duplex stainless steel, Alloy 825 or Alloy 625 can provide in selected acid, chloride-bearing, mixed chemical or scrubber service conditions.
Chemical Equipment Manufacturers
Review Alloy C276 for reactors, columns, process tubes and corrosion-resistant chemical equipment where severe media must be evaluated.
Corrosive Heat Exchanger Buyers
Evaluate welded or seamless C276 tubes for shell and tube heat exchangers, process coolers and condensers handling acid or chloride-bearing media.
FGD and Scrubber Equipment Buyers
Review C276 tube directions for absorber zones, scrubbers, pollution control equipment and corrosive gas condensate environments.
Material Upgrade and Failure Review Projects
Compare C276 with stainless steel, duplex, Inconel 625, Alloy 825, titanium, C22 or C4 according to actual failure reason and medium data.
Acid and Mixed Chemical Service Buyers
Provide acid type, concentration, temperature, oxidizing / reducing condition, impurities, chloride level and allowable corrosion rate for material review.
Inspection-Sensitive Tube Buyers
For C276 tube orders, buyers may need MTC, PMI, dimensional inspection, eddy current testing, UT, pressure testing and packing photos before shipment.
What Is Hastelloy C276 Tube?
Hastelloy C276 tube, also described as Alloy C-276 tube, UNS N10276 tube or 2.4819 tube, is a nickel-chromium-molybdenum-tungsten alloy tube used where severe corrosion, mixed acid, chloride-bearing media and chemical process conditions need to be reviewed carefully.
Alloy C276 tubes are commonly reviewed for chemical processing equipment, corrosive heat exchangers, reactors, columns, scrubbers, flue gas desulfurization equipment, pulp and paper bleaching equipment, acid service and selected sour or chloride-bearing environments.
GAOFA TECH supplies Hastelloy C276 welded and seamless tube directions. Buyers can also review the Seamless vs Welded Tubes Selection Guide when tube form is not yet confirmed. The correct tube form, standard, size, heat treatment, inspection and packing requirement should be confirmed according to the working condition and customer specification.
What Buyers Should Confirm Before Selecting C276 Tube
Hastelloy C276 tube should not be selected only by alloy name. For chemical and corrosive heat exchanger projects, the key question is whether C276 matches the actual acid, chloride, oxidizing / reducing and temperature conditions.
- Working medium, acid type, concentration, pH, chloride level and impurities
- Temperature, pressure, flow velocity, aeration and cleaning cycle
- Oxidizing or reducing condition, ferric / cupric ions, fluorides and mixed acid risk
- Existing material failure: pitting, crevice corrosion, SCC, weld corrosion or general corrosion
- Tube form, wall thickness, standard, inspection method and end-user specification
- Whether Alloy 625, Alloy 825, C22, C4, titanium or duplex stainless steel has also been reviewed
Hastelloy C276 Welded and Seamless Tube Specification Reference
The following data is provided as a quotation reference. Exact standard, tolerance, heat treatment, surface condition, testing and documents should be confirmed before order production.
| Item | GAOFA TECH Supply Direction | Buyer Notes |
|---|---|---|
| Material | Hastelloy C276 / Alloy C-276 / UNS N10276 / W.Nr. 2.4819 | Please confirm the exact material wording required on quotation, contract, MTC and shipping documents. |
| Tube Forms | Welded tube and seamless tube directions | Tube form should be selected according to medium, pressure, size, standard, fabrication process and customer specification. |
| Welded Tube Range | OD 6.0 mm to 88.9 mm; wall thickness 0.3 mm to 2.0 mm | Commonly reviewed for welded heat exchanger tubes, process tubes, scrubber tubes and fabricated chemical equipment when welded tube is accepted. |
| Seamless Tube Range | OD 6.0 mm and above; wall thickness according to confirmed size, standard and customer specification | Smaller OD may be reviewed case by case according to quantity, wall thickness, tolerance, production route and inspection requirement. |
| Length | Standard 6000 mm or cut length according to customer requirement | Fixed length, random length and cutting tolerance should be confirmed. |
| Common Standards | ASTM B622, ASTM B626, ASTM B619, ASTM B751, ASTM B829 and customer specifications where applicable | B622 is commonly reviewed for seamless pipe and tube; B626 for welded tube; B619 for welded pipe. The correct standard depends on tube form and customer specification. |
| Heat Treatment / Condition | Solution annealed, bright annealed or agreed condition according to production route and specification | Condition should match corrosion performance, downstream bending, welding, expansion, installation or fabrication requirement. |
| Inspection | Dimensional inspection, visual inspection, PMI, eddy current, ultrasonic testing, pneumatic or hydrostatic testing as required or as agreed | Testing scope, sampling level and acceptance criteria should be confirmed before production. |
Severe Corrosion and Chloride-Bearing Service Review
This is the main technical module for Hastelloy C276 tube. Before confirming Alloy C276, buyers should review the actual corrosion mechanism, chloride exposure, acid condition, temperature, pressure and weld-related requirements.
| Review Condition | Why Alloy C276 May Be Considered | Information to Provide |
|---|---|---|
| Mixed Acid or Severe Chemical Media | Alloy C276 may be reviewed where stainless steel, duplex stainless steel, Alloy 825 or Alloy 625 may not provide enough corrosion resistance. | Acid types, concentration, temperature, pH, oxidizing / reducing condition, impurities and corrosion history. |
| Chloride-Bearing Acid | C276 is commonly reviewed where chlorides increase pitting, crevice corrosion or stress corrosion cracking risk. | Chloride level, temperature, stagnant zones, crevices, cleaning chemicals, gasket area and heat exchanger design. |
| Wet Chlorine / Hypochlorite / Chlorine Dioxide Review | Alloy C276 is often discussed for wet chlorine-related or oxidizing chloride environments, subject to detailed process review. | Chlorine species, concentration, temperature, pH, oxidizing condition, impurities and allowable corrosion rate. |
| FGD, Scrubber and Pollution Control | C276 tubes may be reviewed for scrubbers, FGD equipment, absorber zones and corrosive gas condensate environments. | SOx, NOx, chlorides, fluorides, slurry condition, temperature, pH, cleaning method and erosion risk. |
| Chemical Heat Exchanger Tubes | Welded or seamless C276 tubes may be reviewed for heat exchangers handling corrosive fluids or gas condensates. | Tube-side and shell-side media, pressure, design temperature, fouling, cleaning method and applicable standard. |
| Existing Material Failure | Alloy C276 may be reviewed when previous material failed due to pitting, crevice corrosion, SCC, weld corrosion or aggressive acid attack. | Existing material, failure mode, service time, photos, medium data and target improvement. |
Sulfuric Acid, Hydrochloric Acid and Mixed Acid Review
Hastelloy C276 is frequently compared with Inconel 625, Alloy 825, C22 and C4 in acid service. The correct alloy cannot be selected by acid name alone. Concentration, temperature, impurities and oxidizing or reducing condition are critical.
| Acid / Medium Direction | How C276 Should Be Reviewed | Buyer Notes |
|---|---|---|
| Sulfuric Acid Review | C276 may be reviewed in sulfuric acid conditions, especially when concentration, temperature, impurities or chlorides make lower alloy directions risky. | Provide concentration, temperature, aeration, oxidizing species, chlorides, fluorides, ferric ions and allowable corrosion rate. |
| Hydrochloric Acid Review | C276 is often compared with Alloy 625, stainless steels and other nickel alloys in hydrochloric acid environments. | Concentration and temperature are essential. Do not select by acid name only. |
| Mixed Acid Service | Mixed acids can change corrosion behavior significantly. C276, C22, C4, Alloy 625 or Alloy 825 may need comparison. | Provide full chemistry, including minor impurities and cleaning chemicals. |
| Halide-Containing Acid | C276 may be reviewed when chlorides, fluorides or other halides increase localized corrosion risk. | Confirm halide type, concentration, temperature, crevice condition and weld requirements. |
| Organic Acids and Acid Catalysts | C276 may be reviewed for selected organic acid or acid catalyst processes, depending on chemistry and operating condition. | Provide process chemistry, catalyst type, temperature, pressure and contamination risk. |
How to Compare C276 with Inconel 625, C22, C4, Alloy 825 and Titanium
Alloy C276 is often selected when the corrosion environment is more aggressive than common stainless steel, duplex stainless steel, Alloy 825 or Alloy 625 directions. However, C22, C4, titanium or other alloys may also need review depending on the exact medium.
| Material Direction | Common Review Direction | Selection Notes |
|---|---|---|
| Hastelloy C276 / Alloy C-276 | Severe corrosion, mixed acid, chloride-bearing media, chemical processing, FGD, scrubbers and corrosive heat exchangers | Review when corrosion risk is more severe than typical stainless steel, Alloy 825 or Alloy 625 applications. |
| Inconel 625 / Alloy 625 | Seawater, chloride service, offshore equipment, chemical processing and selected high-temperature corrosive service | Often compared with C276. C276 should be reviewed when acid concentration, temperature or mixed corrosion conditions are more severe. |
| Hastelloy C22 / Alloy C-22 | Oxidizing chloride media, mixed acid, chloride-induced pitting / crevice corrosion and chemical processing | Review C22 when oxidizing chemicals or oxidizing chloride conditions are important. Final choice depends on corrosion data and customer specification. |
| Hastelloy C4 / Alloy C-4 | Thermal stability, weld-related service review and selected chemical processing conditions | Review C4 when weld heat-affected-zone stability or post-weld corrosion concerns are key parts of the specification. |
| Alloy 825 | Sulfuric acid, phosphoric acid and selected acid service | May be more cost-effective in selected acid environments, but may not be enough for more severe mixed acid or chloride-bearing acid service. |
| Titanium Tube | Seawater cooling, chloride cooling water and selected oxidizing chloride service | Excellent for many seawater applications, but not suitable for every acid, reducing or high-temperature chemical service. |
| 316L / Duplex Stainless Steel | Lower-cost corrosion-resistant tube directions for less aggressive conditions | Review only when chloride, temperature, acid concentration and localized corrosion risk are within acceptable limits. |
Welded vs Seamless Hastelloy C276 Tube Selection Guide
One important purchasing question for Hastelloy C276 is whether welded tube or seamless tube should be reviewed. Buyers can also read the Seamless vs Welded Tubes Selection Guide. The answer depends on standard, pressure, size, corrosive medium, fabrication process and inspection requirement.
| Selection Factor | Welded Alloy C276 Tube | Seamless Alloy C276 Tube |
|---|---|---|
| Typical Purchasing Direction | Often reviewed for welded heat exchanger tubes, process tubing, scrubber tubes and fabricated chemical equipment when welded tube is accepted. | Often reviewed where the specification requires seamless tube, higher wall thickness, pressure-related service or specific end-user approval. |
| Reference Size Range | OD 6.0–88.9 mm, wall thickness 0.3–2.0 mm. | OD 6.0 mm and above; wall thickness according to confirmed size, standard and customer specification. Smaller OD may be reviewed case by case. |
| Common Standards | Commonly reviewed with ASTM B626, ASTM B619, ASTM B751 and customer specifications where applicable. | Commonly reviewed with ASTM B622, ASTM B829 and applicable general requirements. |
| Inspection Focus | Weld condition, dimensional inspection, eddy current testing, pneumatic or hydrostatic testing when required. | Dimensional inspection, ultrasonic testing, hydrostatic testing, eddy current testing or other inspection according to specification. |
| Corrosion Review | Welded tube can be reviewed when accepted by standard, service condition and customer approval. | Seamless tube should be reviewed when seamless construction is required by pressure, corrosion service, standard or end-user specification. |
| RFQ Decision | Provide service medium and confirm whether welded tube is acceptable. | Provide standard, pressure, wall thickness, inspection requirement and reason for seamless tube selection. |
Hastelloy C276 Chemical Composition Reference
For website readability, this section provides a buyer-oriented composition reference. Final acceptance should follow the confirmed standard, purchase specification and MTC.
| Grade | Common Names | Main Alloy Direction | Typical Composition Reference | Application Review |
|---|---|---|---|---|
| Hastelloy C276 | Alloy C-276 / UNS N10276 / 2.4819 | Nickel-chromium-molybdenum-tungsten alloy | Ni balance, Mo 15.0–17.0, Cr 14.5–16.5, Fe 4.0–7.0, W 3.0–4.5, Co 2.5 max, with controlled C, Si, Mn, P, S and V according to specification | Severe corrosion, mixed acid, chloride-bearing media, chemical processing, FGD scrubbers, corrosive heat exchangers, reactors and columns |
Applications of Hastelloy C276 Tube
Hastelloy C276 tube may be reviewed for chemical processing, acid service, scrubber equipment, corrosion-resistant heat exchangers and severe chloride-bearing environments. Final suitability depends on the actual medium, temperature, pressure, corrosion mechanism and customer specification.
Chemical Processing Tubes
Alloy C276 tube can be reviewed for reactors, columns, process piping and chemical equipment where severe corrosion resistance is required.
Corrosive Heat Exchanger Tubes
Reviewed for shell and tube heat exchangers, condensers or process coolers handling acid, chloride-bearing or mixed corrosive media.
Sulfuric, Hydrochloric and Mixed Acid Review
C276 may be reviewed for acid service, but concentration, temperature, impurities and oxidizing / reducing condition must be confirmed.
FGD, Scrubbers and Pollution Control
Alloy C276 tubes may be reviewed for flue gas desulfurization, scrubber systems, absorber zones and acid condensate environments.
Wet Chlorine and Chloride Media Review
Reviewed for wet chlorine-related, hypochlorite, chlorine dioxide or chloride-bearing chemical environments when specified by process review.
Pulp and Paper Bleaching Equipment
C276 may be reviewed for digesters, bleaching equipment and chemical areas where chloride and oxidizing chemicals must be considered.
Sour and Oilfield Related Service
Alloy C276 may be reviewed for selected sour or chloride-bearing environments according to project standard and service condition.
Pharmaceutical and Specialty Chemical Equipment
Reviewed for selected specialty chemical or pharmaceutical process equipment where corrosion control and cleanliness are important.
Selected Seawater or Brine Review
C276 can be reviewed for selected chloride-rich water or brine conditions, but titanium tubes or Alloy 625 tubes may also be considered depending on design.
Inspection and Quality Control for Hastelloy C276 Tube
Inspection requirements should be confirmed according to tube form, standard, service condition and customer specification.
| Inspection Item | Purpose | Buyer Notes |
|---|---|---|
| Material Verification | Confirm Alloy C276 material identity and traceability | MTC, heat number and PMI checking can be discussed as required or as agreed. |
| Dimensional Inspection | Check OD, wall thickness, length and tolerance | Important for heat exchanger assembly, process tube installation, replacement tube projects and chemical equipment fabrication. |
| Visual Inspection | Review outer surface, inner surface where applicable, tube ends and handling condition | Surface condition should be checked according to order requirement and downstream process. |
| Eddy Current Testing | Review tube integrity according to standard or agreed requirement | Testing method, acceptance criteria and record requirement should be confirmed before production. |
| Ultrasonic Testing | Discuss flaw detection for selected tube sizes and applications | UT feasibility depends on material, size, wall thickness, tube form and specification. |
| Pneumatic / Hydrostatic Testing | Check tightness or pressure-related requirements when specified | The correct method should be selected according to standard, application and customer requirement. |
| Internal Cleanliness | Support chemical process tube cleanliness, heat exchanger cleanliness or customer-specific requirements | Sponge cleaning, air blowing, dryness and end protection should be confirmed when required. |
| Packing Review | Protect tube surface, tube ends and shipment condition | Bundle protection, wrapping, wooden case and packing photos can be discussed before shipment. |
View Tube Inspection and Quality Control Details
Review GAOFA TECH’s tube inspection examples, including PMI checking, OD inspection, wall thickness inspection, visual inspection, eddy current testing, pneumatic testing, ultrasonic testing, internal cleanliness checking, fatigue testing and packing review.
Information Needed for a Hastelloy C276 Tube Quotation
A complete RFQ helps confirm the correct Alloy C276 tube form, size, standard, service condition, inspection scope and packing requirement. Buyers can also use the Tube Inquiry Checklist before sending technical details.
For chemical processing, acid service, scrubber, FGD, corrosion-resistant heat exchanger or replacement tube projects, please include medium composition, concentration, temperature, pressure, chloride level, corrosion condition and whether welded or seamless tube is required.
Copy Basic RFQ Template
Copy this short template and send us the basic tube requirement.
Material Grade: Tube Form: Size: OD × Wall Thickness × Length Quantity: Application:
- Material grade: Hastelloy C276, Alloy C-276, UNS N10276, 2.4819 or customer-specific material wording
- Tube form: welded tube or seamless tube
- OD, wall thickness, tolerance and length
- Quantity: pieces, meters, kilograms or annual consumption
- Standard: ASTM B622, ASTM B626, ASTM B619, ASTM B751, ASTM B829 or customer specification
- Application: heat exchanger, chemical processing, acid service, scrubber, FGD, pulp and paper, reactor, column or other use
- Working medium, acid type, concentration, pH, chloride level and impurities
- Operating temperature, maximum temperature, pressure, flow velocity and corrosion history
- Oxidizing or reducing condition, aeration, ferric ions, cupric ions, fluorides or mixed acid details
- Inspection requirement: dimensional, visual, PMI, eddy current, UT, pneumatic, hydrostatic or other test
- Documents: MTC, inspection report, packing photos or customer-specific documents
- Packing requirement, destination and expected delivery schedule
Best RFQ practice: If this is a replacement or material upgrade project, please tell us the existing tube material, failure reason if any, working medium, acid or chloride condition, operating temperature, pressure and target improvement. This helps us review whether Alloy C276, Alloy 625, Alloy 825, C22, C4, titanium, duplex stainless steel or another material direction should be discussed.
Send Your Hastelloy C276 Tube Requirement
Please send material grade, tube form, OD, wall thickness, length, quantity, standard, application, working medium, concentration, temperature, pressure, corrosion condition, inspection requirement and packing details. GAOFA TECH will review the Alloy C276 tube quotation according to your specification.
Hastelloy C276 Tube FAQ
What is Hastelloy C276 tube used for?
Hastelloy C276 tube is commonly reviewed for severe corrosion, mixed acid, chloride-bearing media, chemical processing equipment, corrosive heat exchangers, FGD scrubbers, reactors, columns, pulp and paper bleaching equipment and selected sour or chloride-containing service.
Does GAOFA TECH supply both welded and seamless Hastelloy C276 tubes?
Yes. GAOFA TECH can review both welded and seamless Hastelloy C276 tube directions according to size, standard, application, inspection requirement and customer specification.
What is the regular seamless Hastelloy C276 tube size range?
For website quotation reference, GAOFA TECH lists seamless Hastelloy C276 tube as OD 6.0 mm and above, with wall thickness according to confirmed size, standard and customer specification. Smaller OD may be reviewed case by case according to quantity, wall thickness, tolerance, production route and inspection requirement.
What standards are commonly reviewed for Hastelloy C276 tube?
Common standards include ASTM B622 for seamless pipe and tube, ASTM B626 for welded tube, ASTM B619 for welded pipe, and ASTM B751 / B829 general requirements where applicable. The correct standard depends on tube form and customer specification.
How is Hastelloy C276 different from Inconel 625?
Inconel 625 is commonly reviewed for chloride service, seawater, offshore equipment and chemical processing. Hastelloy C276 is usually reviewed when acid concentration, mixed acid, chloride-bearing acid or severe chemical corrosion conditions become more demanding. Final selection depends on medium, temperature, impurities and corrosion data.
Can Hastelloy C276 tube be used in sulfuric acid?
Hastelloy C276 may be reviewed for sulfuric acid service, but it should not be selected by acid name or concentration alone. Temperature, oxidizing or reducing condition, aeration, chlorides, fluorides, ferric ions, cupric ions, flow velocity and allowable corrosion rate should be reviewed.
Can Hastelloy C276 tube be used in hydrochloric acid?
Hastelloy C276 is often reviewed for hydrochloric acid service, especially where stainless steels or lower alloy materials are insufficient. Concentration, temperature, impurities, aeration and corrosion rate requirements must be confirmed before material selection.
When should Hastelloy C22 be reviewed instead of C276?
Hastelloy C22 should be reviewed when oxidizing chloride media, oxidizing chemical streams or specific customer specifications point toward C22. C276 remains a widely used severe corrosion alloy, but final selection should be based on actual corrosion data.
When should Hastelloy C4 be reviewed instead of C276?
Hastelloy C4 may be reviewed when thermal stability, weld heat-affected-zone behavior or specific post-weld corrosion concerns are important. It should be compared according to medium, temperature, fabrication process and customer specification.
Can Hastelloy C276 tube be used for heat exchangers?
Yes, Hastelloy C276 tube can be reviewed for selected shell and tube heat exchangers, condensers or process coolers handling corrosive fluids. Suitability depends on tube-side and shell-side media, temperature, pressure, fouling, cleaning method and standard.
What information is needed before quotation?
Please provide material grade, tube form, OD, wall thickness, length, quantity, standard, application, working medium, concentration, temperature, pressure, corrosion condition, inspection requirement and packing details.
Who commonly buys Hastelloy C276 tubes?
Common buyer groups include chemical equipment manufacturers, corrosive heat exchanger manufacturers, scrubber and FGD equipment builders, acid service equipment buyers, replacement tube buyers and inspection-sensitive chemical process tube buyers.
Can Hastelloy C276 replace stainless steel, Alloy 625 or titanium?
Hastelloy C276 may be reviewed when stainless steel, Alloy 625, Alloy 825 or titanium does not match the required corrosion condition. It should not be treated as an automatic replacement. Medium composition, temperature, pressure, chloride level, acid type, fabrication process and customer specification should be reviewed.