Incoloy 800 Tube
Incoloy 800 / 800H Welded Tubes and Seamless Alloy 800 / 800H / 800HT Tubes for Heating Elements and High-Temperature Applications
GAOFA TECH supplies Incoloy 800 and Incoloy 800H welded tubes, plus seamless Alloy 800, Alloy 800H and Alloy 800HT tubes for overseas B2B buyers. These nickel alloy tubes are commonly reviewed for heating element sheath tubes, tubular heaters, cartridge heater sheath tubes, heat exchanger tubes, high-temperature equipment and selected process tubing applications.
Final suitability should be confirmed according to working medium, service temperature, pressure, corrosion conditions, oxidation environment, tube type, fabrication process, inspection requirement and customer specification. For broader selection logic, see the Tube Material Selection Guide.
Incoloy 800 Tube Supply Scope
This page supports buyers searching for Incoloy 800 tube, Alloy 800 tube, Incoloy 800H tube, Incoloy 800HT tube, UNS N08800 tube, UNS N08810 tube, UNS N08811 tubing, Incoloy 800 welded tube, Incoloy 800H welded tube and Alloy 800HT seamless tube.
For welded tube requirements, GAOFA TECH currently focuses on Alloy 800 and Alloy 800H directions.
For seamless tube requirements, Alloy 800, 800H and 800HT can be reviewed according to specification.
Commonly reviewed for heater sheath tubes, thermal equipment and high-temperature process tubes.
A complete RFQ helps avoid wrong grade, tube route or unsuitable testing scope.
What Is Incoloy 800 Tube?
Incoloy 800 tube is a nickel-iron-chromium alloy tube also described as Alloy 800 tube, UNS N08800 tube or 1.4876 tube. Buyers may also search related high-temperature tube grades such as Incoloy 800H tube, Alloy 800H tube, Incoloy 800HT tube, UNS N08810 tube and UNS N08811 tubing.
In industrial purchasing, these tubes may be requested for heating element sheath tubes, tubular heating elements, cartridge heater sheath tubes, heat exchanger tubes, petrochemical process tubing, furnace components, thermal equipment and high-temperature fluid systems.
- For welded tube requirements, GAOFA TECH currently supplies Incoloy 800 and Incoloy 800H welded tubes.
- For seamless tube requirements, Alloy 800, Alloy 800H and Alloy 800HT can be reviewed according to size, standard and application.
- 800H and 800HT should not be selected only by name; they are usually reviewed for higher-temperature service where chemistry control, grain size, creep strength or stress rupture performance matters.
- For heating element use, straightness, cut length, tube end condition, internal cleanliness, dryness and packing requirement should be confirmed before order production.
Incoloy 800, 800H and 800HT Tube Names Used in RFQs
International buyers may use different names when searching or sending RFQs. This section helps clarify equivalent descriptions and avoids misunderstanding during quotation.
| Buyer Search Term / RFQ Wording | How It Is Usually Understood | GAOFA TECH Quotation Note |
|---|---|---|
| Incoloy 800 Tube / Alloy 800 Tube | General product name for UNS N08800 tube | Can be reviewed for welded tube and seamless tube requirements. Please confirm tube form, size and standard. |
| Incoloy 800H Tube / Alloy 800H Tube | Higher-temperature controlled-carbon grade, UNS N08810 | Can be reviewed for welded tube and seamless tube requirements according to standard and application. |
| Incoloy 800HT Tube / Alloy 800HT Tube | Higher-temperature grade with tighter carbon, aluminium and titanium control, UNS N08811 | For GAOFA TECH, this is currently reviewed for seamless tube requirements. |
| UNS N08800 / N08810 / N08811 Tube | UNS designations for Alloy 800 / 800H / 800HT | Useful for technical drawings, MTC wording and material traceability. |
| ASTM B515 Alloy 800 Welded Tube | Welded nickel alloy tube direction | Applicable welded tube standard direction should be confirmed with ASTM B751 and customer specification. |
| ASTM B407 Alloy 800 Seamless Tube | Seamless nickel alloy tube direction | Often reviewed with ASTM B829 general requirements and customer purchase specification. |
| ASTM B163 Alloy 800 / 800H / 800HT Heat Exchanger Tube | Seamless condenser and heat exchanger tube direction | Suitable only when the confirmed standard, size and application match buyer requirements. |
| Incoloy 800 Heater Sheath Tube | Tube used as sheath material for heating elements or tubular heaters | Internal cleanliness, dryness, straightness, end protection and cut length should be confirmed. |
Incoloy 800 / 800H Welded Tube and Alloy 800 / 800H / 800HT Seamless Tube
GAOFA TECH separates welded and seamless supply directions clearly to avoid misunderstanding. The correct tube form depends on grade, size range, wall thickness, working pressure, downstream fabrication and customer standard.
Incoloy 800 and Incoloy 800H Welded Tube
Incoloy 800 and Incoloy 800H welded tubes are commonly reviewed for heating element sheath tubes, tubular heating element production, electric heater tubes and selected thermal equipment applications where welded tube route is acceptable according to customer specification.
- Current welded tube grade direction: Incoloy 800 and Incoloy 800H
- Reference OD range: 6.0 mm to 88.9 mm
- Reference wall thickness: 0.3 mm to 2.0 mm
- Applicable standards may include ASTM B515 and ASTM B751 depending on product form and order requirement
Alloy 800, Alloy 800H and Alloy 800HT Seamless Tube
Alloy 800 seamless tube, Alloy 800H seamless tube and Alloy 800HT seamless tube are usually reviewed for high-temperature service, heat exchanger tubes, process tubing, furnace components and applications where the customer specification requires seamless construction.
- Current seamless tube grade direction: Alloy 800, Alloy 800H and Alloy 800HT
- Reference OD range: 2.0 mm to 114 mm
- Reference wall thickness: 0.3 mm to 8.0 mm
- Applicable standards may include ASTM B407, ASTM B829 and ASTM B163 depending on product form and application
Incoloy 800 vs 800H vs 800HT for Tube Buyers
This section is designed for buyers comparing Alloy 800, Alloy 800H and Alloy 800HT before selecting welded tube or seamless tube. Final grade selection should follow the customer’s standard, design temperature, operating time and application requirement.
| Grade | UNS | GAOFA TECH Tube Direction | Typical Review Condition | Buyer Caution |
|---|---|---|---|---|
| Incoloy 800 / Alloy 800 | UNS N08800 | Welded tube and seamless tube direction | Heating element sheath tubes, tubular heaters, general high-temperature tube applications and selected heat exchanger requirements | Confirm whether the project requires standard Alloy 800 or a higher-temperature 800H / 800HT grade. |
| Incoloy 800H / Alloy 800H | UNS N08810 | Welded tube and seamless tube direction | Higher-temperature tube projects where controlled carbon, grain size or creep strength review is important | Do not select 800H only because it sounds stronger; confirm design temperature, service time and applicable standard. |
| Incoloy 800HT / Alloy 800HT | UNS N08811 | Seamless tube direction | More demanding long-term high-temperature service where tighter chemistry control and creep / rupture strength review are required | Not a default replacement for 800 or 800H. It should be selected according to specification and actual service condition. |
Need to Review Alloy 800 Against Other Tube Materials?
For wider comparison by working medium, chloride level, high-temperature atmosphere, acid / alkali condition and heat transfer requirement, review the Tube Material Selection Guide.
Incoloy 800 / 800H / 800HT Tube Specification and ASTM Standards
The following table gives a buyer-oriented specification reference for welded and seamless nickel alloy tubes. Final standard, tolerance, delivery condition, testing scope and documents should be confirmed in the purchase order.
| Tube Form | GAOFA TECH Supply Direction | Reference Standards to Review | Buyer Notes |
|---|---|---|---|
| Welded Tube | Incoloy 800 / Incoloy 800H welded tube | ASTM B515 / ASTM B751 | Used for welded nickel alloy tube requirements, heating element sheath tube review and selected thermal equipment applications. |
| Seamless Tube | Alloy 800 / Alloy 800H / Alloy 800HT seamless tube | ASTM B407 / ASTM B829 / ASTM B163 | Used for seamless tube requirements, heat exchanger tubes, high-temperature process tubing and customer-standard-driven applications. |
| Heating Element Tube | Usually welded Incoloy 800 / 800H depending on customer specification | Customer drawing, ASTM standard or agreed purchase specification | Internal cleanliness, dryness, straightness, cut length and end protection should be confirmed before production. |
| Heat Exchanger Tube | Seamless Alloy 800 / 800H / 800HT where required by design | ASTM B163 / ASTM B407 / ASTM B829 as applicable | Working medium, temperature, pressure, tube-side condition and inspection requirements should be reviewed. |
Incoloy 800, 800H and 800HT Chemical Composition Reference
For buyer readability, this page shows the main chemical composition direction and controlled elements instead of listing every trace element. Final chemical limits, mechanical values and acceptance criteria should follow the confirmed standard, heat treatment condition and purchase specification.
| Grade | UNS | Nickel | Chromium | Iron | Carbon Direction | Controlled Elements / Review Point |
|---|---|---|---|---|---|---|
| Incoloy 800 | UNS N08800 | 30.00–35.00% | 19.00–23.00% | Balance | General Alloy 800 requirement | General elevated-temperature, heating element and heat exchanger tube review |
| Incoloy 800H | UNS N08810 | 30.00–35.00% | 19.00–23.00% | Balance | Controlled higher carbon range according to standard | Higher-temperature strength, creep and grain size review |
| Incoloy 800HT | UNS N08811 | 30.00–35.00% | 19.00–23.00% | Balance | Controlled carbon range according to standard | More tightly controlled Al + Ti direction for long-term high-temperature creep and stress rupture review |
Applications of Incoloy 800, 800H and 800HT Tubes
Incoloy 800, Alloy 800H and Alloy 800HT tubes are reviewed for industrial applications where elevated temperature service, oxidation resistance, corrosion resistance and stable tube performance are important.
Tubular Heating Elements
Incoloy 800 or 800H welded tubes may be reviewed as sheath tube material for tubular heating elements depending on medium, temperature, heater design and customer specification.
Cartridge Heater Sheath Tubes
Selected small OD Alloy 800 or 800H welded tubes can be reviewed for cartridge heater sheath applications where OD tolerance, straightness, cut length and internal condition are important.
Heat Exchanger Tubes
Alloy 800, Alloy 800H and Alloy 800HT seamless tubes may be reviewed for heat exchangers and thermal equipment when the design requires nickel alloy tube performance under high-temperature or corrosive service.
High-Temperature Equipment
Alloy 800H and Alloy 800HT tubes may be considered for furnace, heater, thermal processing and high-temperature gas or fluid systems according to service atmosphere and specification.
Petrochemical Process Tubing
Alloy 800, 800H or 800HT seamless tube may be reviewed for process tubing, pigtails and thermal process service where alloy selection is driven by temperature, medium and design code.
Water Heating and Appliance Review
Incoloy 800 or 800H welded tube can be reviewed for selected water heating and appliance-related heating element applications, subject to water quality, scaling, surface condition and heater design.
Incoloy 800 / 800H Tube for Heating Elements and Heater Sheath Tubes
Heating element manufacturers usually evaluate Incoloy 800 or 800H welded tube not only by material grade, but also by tube form, surface condition, internal cleanliness, dryness, straightness, cut length and packing. For broader heating tube review, see Heating Element Tubes and Cartridge Heater Tubes.
| Heating Element Requirement | Why It Matters | Information to Confirm |
|---|---|---|
| Grade | Incoloy 800 and 800H may be reviewed for different temperature or specification requirements | Incoloy 800, Incoloy 800H, UNS designation, customer standard or existing tube grade |
| Tube Form | Heating element sheath tubes often use welded tube route, but the customer standard should prevail | Welded tube, current production route, downstream heater process and standard requirement |
| Tube Size | Small OD and thin-wall tubes require careful dimensional control | OD, wall thickness, tolerance, length and quantity |
| Straightness | Important for tube filling, assembly, bending or automated heater production | Straightness tolerance or downstream process requirement |
| Internal Cleanliness and Dryness | Important for heating element tube filling and moisture control | Internal cleaning, sponge cleaning, air blowing, drying or special packing requirement if needed |
| Surface Condition | Surface affects appearance, forming and downstream processing | Bright annealed, fully annealed, pickled, polished or agreed condition depending on route and application |
| End Protection | Tube ends should be protected during storage and international shipment | End wrapping, caps, bundle protection, moisture protection or customer-specific packing |
Incoloy 800 / 800H / 800HT vs Other Heating Element and Corrosion-Resistant Tube Materials
Buyers often compare Alloy 800 family tubes with other heating element, cartridge heater sheath, high-temperature and corrosion-resistant tube materials. The correct choice depends on service medium, temperature, corrosion, oxidation, cost, tube form and customer specification.
| Material | Common Search / Description | Typical Review Direction | Selection Notes |
|---|---|---|---|
| Incoloy 800 / 800H / 800HT | Alloy 800, UNS N08800, UNS N08810, UNS N08811 tube | Heating elements, heater sheath tubes, heat exchangers, high-temperature process tubing | Grade and tube form should be selected according to temperature, tube route, standard and application. |
| Incoloy 840 | Alloy 840 tube / heating element tube | Water heating elements, appliance heating elements and selected sheath tube applications | Often reviewed for heating element applications. Final choice should consider water quality, temperature, cost and customer specification. |
| Inconel 600 | Alloy 600 / UNS N06600 tube | Higher nickel alloy direction for high-temperature and corrosive service | May be reviewed when stronger high-temperature oxidation or corrosion resistance is required compared with lower nickel options. |
| Inconel 601 | Alloy 601 / UNS N06601 tube | High-temperature oxidation service, thermal cycling, furnace-related equipment and selected cartridge heater sheath or protection tube review | Often reviewed where oxidation resistance and thermal cycling resistance are important. Suitability depends on temperature, atmosphere, tube form and customer specification. |
| Inconel 625 | Alloy 625 / UNS N06625 tube | Cartridge heater protection tubes, corrosive service, chemical processing, marine cooling, exhaust and high-strength nickel alloy tube applications | Often reviewed where corrosion resistance and strength are important. It should not be selected as a default high-temperature heater tube without checking medium, temperature and fabrication process. |
| 304 / 316L Stainless Steel | Stainless steel heating element tube | Cost-sensitive and general heating element tube applications | More economical, but not always suitable for higher temperature, aggressive water, corrosive or oxidation-sensitive conditions. |
| Hastelloy C276 / C22 / C4 | Corrosion-resistant nickel alloy tube / Ni-Cr-Mo alloy tube | Corrosive heating elements, chemical heat exchangers, acid service, chloride-bearing media and aggressive process environments | Usually reviewed for aggressive media. C276, C22 and C4 should be selected according to acid type, chloride level, oxidizing / reducing condition, temperature and customer corrosion data. |
Inspection and Quality Control for Incoloy 800 / 800H / 800HT Tubes
Inspection requirements should be confirmed before production, especially for heating element sheath tubes, heat exchanger tubes, thin-wall welded tubes, precision cut lengths or seamless tubes used in high-temperature or pressure-related applications.
| Inspection Item | Purpose | Common Discussion Point |
|---|---|---|
| Material Verification | Confirm Alloy 800 / 800H / 800HT material identity | MTC, heat number, chemistry and PMI checking as required |
| Dimensional Inspection | Check OD, wall thickness, length and tolerance | Important for heater production, heat exchanger assembly and cut length orders |
| Visual and Surface Inspection | Review surface condition and tube appearance | Bright annealed, fully annealed, pickled, polished or agreed surface condition should be checked according to order requirement |
| Welded Tube Review | Review welded tube condition according to specification | Welded route, heat treatment, surface and NDT scope should be confirmed clearly |
| NDT / Tightness Testing | Review tube integrity according to standard or customer requirement | Eddy current, hydrostatic, pneumatic, ultrasonic or other inspection can be arranged as required or as agreed |
| Internal Cleanliness | Support heating element and precision tube applications | Sponge cleaning, air blowing, drying or moisture control should be specified before order if required |
| Packing Inspection | Protect tube ends, surface and shipment condition | End protection, bundle packing, 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 dimensional inspection, visual inspection, eddy current testing, pneumatic testing, PMI checking, internal cleanliness checking and packing review. Actual testing scope, records and videos should be confirmed as required or as agreed.
Information Needed for an Incoloy 800 / 800H / 800HT Tube Quotation
A complete RFQ helps confirm the correct grade, tube form, standard, inspection scope, delivery condition and packing method. Buyers can also use the Tube Inquiry Checklist before sending technical details.
For heating element tube buyers, please confirm whether the tube is used for tubular heating elements, cartridge heaters, water heating elements, appliance heaters or industrial heating equipment.
- Material grade: Incoloy 800, Incoloy 800H, Incoloy 800HT, UNS N08800, UNS N08810, UNS N08811 or customer-specified equivalent
- Tube form: welded tube or seamless tube
- Supply direction: welded Incoloy 800 / 800H or seamless Alloy 800 / 800H / 800HT
- Standard: ASTM B515, ASTM B751, ASTM B407, ASTM B829, ASTM B163 or customer standard
- Tube size: OD, wall thickness, tolerance and length
- Quantity: pieces, meters, kilograms or total project quantity
- Application: heating element, heater sheath tube, cartridge heater, heat exchanger, high-temperature equipment or process tubing
- Working conditions: medium, temperature, pressure, corrosion condition, oxidation / carburization environment and cleaning method
- Delivery condition: bright annealed, fully annealed, pickled, polished or agreed condition
- Heating element requirements: straightness, internal cleanliness, dryness, end protection, cut length and packing
- Inspection requirements: dimensional, visual, PMI, eddy current, hydrostatic, pneumatic, ultrasonic or special test
- Required documents: MTC, inspection report, test record, certificate of origin or customer-specific documents
- Destination, packing requirement and expected delivery schedule
Send Your Incoloy 800 / 800H / 800HT Tube Requirement
Please send material grade, welded or seamless tube form, standard, OD, wall thickness, length, quantity, application, working condition and inspection requirement. GAOFA TECH will review quotation details according to your specification.
Incoloy 800 / 800H / 800HT Tube FAQ
What is Incoloy 800 tube?
Incoloy 800 tube is a nickel-iron-chromium alloy tube also described as Alloy 800 tube, UNS N08800 tube or 1.4876 tube. It is commonly reviewed for heating elements, heater sheath tubes, heat exchangers, high-temperature equipment and selected process tubing applications.
Can GAOFA TECH supply Incoloy 800 welded tube?
Yes. For welded tube requirements, GAOFA TECH currently supplies Incoloy 800 and Incoloy 800H welded tube directions. The final grade, standard, size, inspection scope and delivery condition should be confirmed before quotation.
Can GAOFA TECH supply Incoloy 800 seamless tube?
Yes. For seamless tube requirements, GAOFA TECH can review Alloy 800 seamless tube, Alloy 800H seamless tube and Alloy 800HT seamless tube requirements according to size, standard, high-temperature service condition and customer specification.
Can GAOFA TECH supply Incoloy 800HT welded tube?
At this stage, GAOFA TECH’s welded tube direction focuses on Incoloy 800 and Incoloy 800H. For Alloy 800HT requirements, seamless tube can be reviewed according to size, standard and application.
What is the difference between UNS N08800, UNS N08810 and UNS N08811?
UNS N08800 refers to Alloy 800, UNS N08810 refers to Alloy 800H, and UNS N08811 refers to Alloy 800HT. 800H and 800HT are usually reviewed for higher-temperature performance, with different chemistry and heat treatment requirements according to the applicable standard.
What standards are commonly reviewed for Incoloy 800 / 800H / 800HT tubes?
Commonly reviewed standards include ASTM B515 and ASTM B751 for welded tube directions, and ASTM B407, ASTM B829 and ASTM B163 for seamless tube or heat exchanger tube directions. The applicable standard depends on tube form, grade, application and purchase specification.
Is Incoloy 800 suitable for heating element tubes?
Incoloy 800 and Incoloy 800H welded tubes may be reviewed for heating element sheath tubes, electric heater tubes and tubular heating element applications. Suitability depends on working medium, temperature, surface condition, tube form, internal cleanliness, fabrication process and customer specification.
Should heating element buyers choose Incoloy 800 or Incoloy 800H?
There is no single answer for all heating element applications. The choice should be based on working temperature, service environment, heater design, customer standard, cost target and inspection requirement.
Should heat exchanger buyers choose Alloy 800, 800H or 800HT seamless tube?
Alloy 800, Alloy 800H and Alloy 800HT seamless tube requirements should be reviewed according to design temperature, service time, pressure, medium, corrosion or oxidation condition, applicable ASTM standard and customer specification.
Can Inconel 601 or Inconel 625 be reviewed for cartridge heater sheath or protection tube applications?
Inconel 601 and Inconel 625 may be reviewed for selected cartridge heater sheath, protection tube or special high-temperature and corrosion-resistant tube applications. The choice should depend on working medium, temperature, corrosion condition, oxidation atmosphere, tube form, fabrication method and customer specification.
When should Hastelloy C276, C22 or C4 tubes be reviewed?
Hastelloy C276, C22 and C4 tubes are usually reviewed for more aggressive chemical or chloride-bearing environments, corrosive heating elements and chemical heat exchanger applications. Selection should be based on actual medium, acid type, chloride content, temperature, pH, cleaning chemicals and corrosion data.
Can Alloy 800 family tubes replace stainless steel tubes?
Alloy 800 family tubes may be considered when stainless steel does not meet the required high-temperature, oxidation or corrosion conditions. They should not be selected only by material name. Working medium, temperature, pressure, corrosion mechanism and customer specification should be reviewed.
What information is needed before quotation?
Please provide material grade, welded or seamless tube form, standard, OD, wall thickness, length, quantity, application, working conditions, inspection requirements, documents and packing requirement.
Can inspection records or packing photos be provided?
Inspection reports, test records, packing photos or videos can be prepared as required or as agreed in the purchase specification. Testing scope, acceptance criteria and supporting documents should be confirmed before order production.
Is PREN useful for selecting Incoloy 800 tubes?
PREN is mainly a reference for comparing stainless steel and duplex stainless steel pitting resistance in chloride-containing environments. A commonly used formula is PREN = %Cr + 3.3 × %Mo + 16 × %N. It is not the main selection method for Incoloy 800, 800H or 800HT tubes. For chloride-rich water, seawater or aggressive chemical service, the working medium, temperature, crevice condition, flow, fouling and cleaning method should be reviewed. See the Tube Material Selection Guide.
When should Alloy 800 be compared with Incoloy 840, Inconel 600 or Inconel 601?
Alloy 800 family tubes may be compared with Incoloy 840, Inconel 600 and Inconel 601 when heating element temperature, oxidation resistance, thermal cycling, water quality, cost target and customer specification need to be balanced.
Which information is most important for Incoloy 800 heating element tube buyers?
Heating element buyers should confirm grade, welded or seamless route, OD, wall thickness, cut length, straightness, internal cleanliness, dryness, tube end protection, inspection scope and packing method. The working medium, operating temperature, watt density and heater design should also be provided.
Can Alloy 800 tubes be used for chloride or seawater applications?
Alloy 800 family tubes are usually reviewed for high-temperature, oxidation and selected corrosion conditions, not as a default seawater tube. For seawater or chloride-rich cooling water, titanium, Alloy 625, Alloy 825 or Hastelloy grades may need to be compared according to actual medium chemistry, temperature, flow condition, crevice risk and customer specification.