Specification Standards :
Manufactured according to ASTM B407, ASTM B514, ASME SB407, and ASME SB514 international Incoloy tubing standards.
Specification Standards :
Manufactured according to ASTM B407, ASTM B514, ASME SB407, and ASME SB514 international Incoloy tubing standards.
Material Grade :
Available in UNS N08800 / Incoloy 800 alloy grade for elevated-temperature and corrosive industrial environments.
Tube Manufacturing Types :
Supplied in seamless, welded, ERW, heat exchanger, and instrumentation tube configurations.
Size Range :
Offered in multiple tube sizes suitable for thermal processing and industrial fluid transfer systems.
Industries operating in elevated-temperature and corrosive environments require tubing materials capable of maintaining long-term structural reliability, oxidation resistance, and mechanical stability.
Engineered for outstanding resistance against oxidation, carburization, and thermal fatigue, Incoloy 800 alloy tubes perform efficiently in industrial environments where ordinary stainless steel materials may lose strength under continuous heat exposure. Their advanced metallurgical composition makes them suitable for pressure-intensive and high-temperature industrial operations.
What are Incoloy 800 Tubes?
Incoloy 800 tubes are nickel-iron-chromium alloy tubes manufactured according to:
The alloy is specifically developed for elevated-temperature applications requiring:
Because of these properties, Incoloy 800 tubes are widely used across thermal engineering and corrosive industrial process systems.
Why Industries Prefer Incoloy 800 Tubes
Exceptional High-Temperature Resistance
One of the most significant advantages of Incoloy 800 tubing is its ability to maintain structural stability under prolonged elevated-temperature exposure.
Why are Incoloy 800 tubes suitable for high-temperature applications?
Their nickel-iron-chromium composition provides excellent resistance against scaling, oxidation, and metallurgical degradation during continuous thermal service.
This makes them ideal for:
Excellent Corrosion Resistance
Incoloy 800 tubes provide dependable resistance against:
These characteristics support long operational service life in aggressive industrial environments.
Strong Mechanical Stability
The alloy maintains:
even during prolonged industrial thermal operations.
This improves system reliability while minimizing maintenance and operational downtime.
Available Types of Incoloy 800 Tubes
To support multiple engineering and industrial requirements, Incoloy 800 products are available in various configurations including:
Each tube type is selected according to operating conditions, fabrication requirements, and industrial system design.
Applications of Incoloy 800 Tubes
Heat Exchanger Systems
Widely used in heat exchangers and condensers requiring reliable thermal transfer and corrosion resistance.
Boilers and Steam Systems
Suitable for elevated-temperature steam generation and pressure-intensive boiler operations.
Chemical Processing Plants
The alloy performs effectively in aggressive chemical and corrosive processing environments.
Furnace and Thermal Engineering
Incoloy 800 tubes maintain structural integrity during continuous furnace and thermal processing exposure.
Power Generation Industry
Applied in thermal power plants and high-temperature industrial process systems.
What are Incoloy 800 tubes used for?
They are commonly used in heat exchangers, boilers, chemical plants, furnaces, steam systems, and power generation applications.
Incoloy 800 vs Stainless Steel Tubes
Industrial buyers frequently compare Incoloy 800 vs stainless steel tubes before selecting materials for severe industrial environments.
Stainless Steel Tubes
Incoloy 800 Tubes
For high-temperature and carburizing environments, Incoloy 800 provides significantly greater reliability.
Manufacturing and Quality Assurance
Reliable Incoloy tube manufacturers maintain strict metallurgical and dimensional quality control processes.
Industrial inspection procedures commonly include:
These quality measures ensure compliance with international ASTM and ASME standards.
With outstanding oxidation resistance, high-temperature stability, and reliable mechanical durability, Incoloy 800 Tubes remain one of the most trusted nickel alloy tubing solutions for modern industrial applications. Their superior thermal performance, corrosion resistance, and structural reliability make them ideal for boilers, heat exchangers, chemical processing systems, furnaces, and thermal power generation industries.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
|---|---|---|---|---|---|---|---|---|
| Incoloy 800 | 1.4876 | N08800 | NCF 800 | NA 15 | ЭИ670 | Z8NC32-21 | X10NiCrAlTi32-20 | XH32T |
| Incoloy 800HT | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | - | X8NiCrAlTi32-21 | XH32T |
| Incoloy 825 | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
Incoloy 800 Seamless Tubes
Nickel-iron-chromium alloy seamless tubes engineered for high-temperature, corrosive, and pressure-intensive industrial systems.
Incoloy 800 Welded Tubes
Durable welded alloy tubes suitable for chemical processing, thermal plants, and elevated-temperature engineering applications.
Incoloy 800 ERW Tubes
Electrically resistance welded tubes designed for industrial fluid transfer and heat-resistant process systems.
Incoloy 800 Heat Exchanger Tubes
Corrosion-resistant alloy tubes developed for heat exchangers, condensers, and thermal transfer equipment.
Incoloy 800 Boiler Tubes
High-temperature alloy boiler tubes engineered for steam generation and pressure-intensive thermal operations.
Incoloy 800 Instrumentation Tubes
Precision alloy tubing suitable for instrumentation systems, process control, and chemical handling applications.
Specification Standards :
Manufactured according to ASTM B407, ASTM B514, ASME SB407, and ASME SB514 international Incoloy tubing standards.
Material Grade :
Available in UNS N08800 / Incoloy 800 alloy grade for elevated-temperature and corrosive industrial environments.
Tube Manufacturing Types :
Supplied in seamless, welded, ERW, heat exchanger, and instrumentation tube configurations.
Size Range :
Offered in multiple tube sizes suitable for thermal processing and industrial fluid transfer systems.
Wall Thickness Availability :
Available in thin-wall to heavy-wall thicknesses for pressure-intensive industrial applications.
Outer Diameter Range :
Manufactured in customized outer diameters to meet refinery, boiler, and process industry requirements.
Length Options :
Supplied in random, straight cut, U-bend, and customized industrial tube lengths.
Surface Finish :
Available in annealed, pickled, polished, bright annealed, and mill finish surface conditions.
High Temperature Resistance :
Exceptional resistance against oxidation and carburization during prolonged elevated-temperature exposure.
Corrosion Resistance Capability :
Provides reliable resistance against acids, chlorides, and aggressive chemical processing environments.
Mechanical Strength Performance :
Maintains structural stability and creep resistance under high-temperature industrial operating conditions.
Fabrication & Weldability :
Supports efficient welding, bending, and fabrication for complex industrial engineering systems.
Industrial Application Areas :
Widely used in heat exchangers, petrochemical plants, furnaces, boilers, and power generation industries.
Inspection & Testing Standards :
Supplied with PMI testing, hydro testing, ultrasonic inspection, and mill test certificates for quality assurance.
Chemical Composition of Incoloy Alloy Seamless / Welded Pipes and Tubes
| Incoloy | 800 | 800H | 825 |
|---|---|---|---|
| Ni | 30-35 | 30-35 | 38.0 – 46.0 |
| Fe | 39.5 min | 39.5 min | 22.0 min |
| Cr | 19-23 | 19-23 | 19.5 - 23.5 |
| Cu | 0.75 max | 0.75 max | 1.5 - 3.0 |
| Ti | 0.15-0.60 | 0.15-0.60 | 0.6 - 1.2 |
| Al | 0.15-0.60 | 0.15-0.60 | 0.2 max |
| C | 0.1 max | 0.05-0.1 | 0.05 max |
| Mn | 1.5 max | 1.5 max | 1.0 max |
| S | 0.015 max | 0.015 max | 0.015 max |
| Si | 1.0 max | 1.0 max | 0.5 max |
| Mb | - | - | 2.5 - 3.5 |
Mechanical Properties of Incoloy Alloy 800/800HT/825 Pipes and Tubes
| Inconel 800/800HT | |
|---|---|
| Tensile Strength | Psi – 75,000 , MPa – 520 |
| Yield Strength (0.2%Offset) | Psi – 30,000 , MPa –205 |
| Elongation | 30 % |
| Inconel 825 | |
| Tensile Strength | Psi – 80,000 , MPa – 550 |
| Yield Strength (0.2%Offset) | Psi – 32,000 , MPa –220 |
| Elongation | 30 % |
Physical Properties of Incoloy 800/800HT Pipes and Tubes
| Density lbm/in3 |
Thermal Conductivity (BTU/h ft. F) |
Electrical Resistivity (in x 10-6) |
Modulus of Elasticity (psi x 106 |
Coefficient of Thermal Expansion (in/in)/ F x 10-6 |
Specific Heat (BTU/lb/ F) |
Melting Range (F) |
|---|---|---|---|---|---|---|
| at 68F: 0.285 | 9.4 at 212F | 28.3 at 68F | 28 | 9.4 at 32 – 212F | 0.1200 at 68F to 212F | 2500 to 2590 |
| 12.4 at 932 F | 39.4 at 752F | 10.2 at 32 – 1000F | ||||
| 49.6 at 1652 F | 10.4 at 32 – 1500F |
Our Incoloy 800 Tubes 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
Get clear answers to common queries about our steel products, services, and delivery processes.
Yes, they are specifically engineered for elevated-temperature industrial operations requiring oxidation and carburization resistance.
Yes, the alloy offers dependable resistance against acids, chlorides, oxidizing environments, and industrial corrosive media.
Thermal power plants, chemical processing facilities, heat exchanger industries, furnaces, and refinery systems commonly use Incoloy 800 tubing.
They provide excellent creep resistance, thermal stability, and long operational service life in demanding industrial conditions.