Specification
Chemical Composition
Incoloy 800HT Tubes are high-temperature nickel-iron-chromium alloy tubes manufactured to deliver exceptional strength, oxidation resistance, and carburization resistance in temperatures up to approximately 1100°C. Manufactured under standards such as ASTM B163 Incoloy 800HT Tube and ASME SB163 UNS N08811 Tube, these tubes are widely used in heat exchangers, petrochemical plants, power generation, chemical processing, furnaces, and pressure equipment where superior creep strength and corrosion resistance are essential.
Detailed Information
Alloy 800HT Tubes | Incoloy 800HT Tube Supplier & Stockist
We supply premium-quality Incoloy 800HT Tubes engineered for demanding industrial environments where elevated temperatures and corrosive media are common. Our tubes are manufactured using carefully controlled production processes to ensure excellent dimensional accuracy, mechanical integrity, and long service life.
As an experienced Incoloy 800HT tube supplier, we provide seamless and welded tubes that comply with international ASTM, ASME, DIN, and EN standards. Whether your project requires boiler tubing, process tubing, heat exchanger tubing, or custom-cut lengths, we offer reliable material backed by complete mill test certification.
Our inventory includes ASTM B163 Incoloy 800HT Tube, ASME SB163 UNS N08811 Tube, UNS N08811 Nickel Alloy Tube, W.Nr. 1.4959 Tube, DIN 1.4959 Nickel Tubing, and Incoloy 800HT Welded Tube suitable for critical industrial applications worldwide.
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New York City, Los Angeles, Chicago, Houston, Phoenix, Philadelphia, San Antonio, San Diego, Dallas, San Jose, Austin, Jacksonville, Fort Worth, Columbus, Charlotte, San Francisco, Indianapolis, Seattle, Denver, Washington, Boston, El Paso, Nashville, Detroit, Oklahoma City, Portland, Las Vegas, Memphis, Louisville, Baltimore, Milwaukee, Albuquerque, Tucson, Fresno, Mesa, Sacramento, Atlanta, Kansas City, Colorado Springs, Omaha, Raleigh, Miami, Long Beach, Virginia Beach, Oakland, Minneapolis, Tulsa, Tampa, Arlington, New Orleans, Wichita, Bakersfield, Cleveland, Aurora, Anaheim, Honolulu, Santa Ana, Riverside, Corpus Christi, Lexington, Henderson, Stockton, Saint Paul, Cincinnati, St. Louis, Pittsburgh, Greensboro, Lincoln, Anchorage, Plano, Orlando, Irvine, Newark, Durham, Chula Vista, Toledo, Fort Wayne, St. Petersburg, Laredo, Jersey City, Chandler, Madison, Lubbock, Scottsdale, Reno, Buffalo, Gilbert, Glendale, North Las Vegas, Winston-Salem, Chesapeake, Norfolk, Fremont, Garland, Irving, Hialeah, Richmond, Boise, Spokane, Baton Rouge, Tacoma, San Bernardino, Modesto, Fontana, Des Moines, Moreno Valley, Santa Clarita, Fayetteville, Birmingham, Oxnard, Rochester, Port St. Lucie, Grand Rapids, Huntsville, Salt Lake City, Frisco, Yonkers, Amarillo, Glendale, Huntington Beach, McKinney, Montgomery, Augusta, Aurora, Akron, Little Rock, Tempe, Columbus, Overland Park, Grand Prairie, Tallahassee, Cape Coral, Mobile, Knoxville, Shreveport, Worcester, Ontario, Vancouver, Sioux Falls, Chattanooga, Brownsville, Fort Lauderdale, Providence, Newport News, Rancho Cucamonga, Santa Rosa, Peoria, Oceanside, Elk Grove, Salem, Pembroke Pines, Eugene, Garden Grove, Cary, Fort Collins, Corona, Springfield, Jackson, Alexandria, Hayward, Clarksville, Lakewood, Lancaster, Salinas, Palmdale, Hollywood, Springfield, Macon, Kansas City, Sunnyvale, Pomona, Killeen, Escondido, Pasadena, Naperville, Bellevue, Joliet, Murfreesboro, Midland, Rockford, Paterson, Savannah, Bridgeport, Torrance, McAllen, Syracuse, Surprise, Denton, Roseville, Thornton, Miramar, Pasadena, Mesquite, Olathe, Dayton, Carrollton, Waco, Orange, Fullerton, Charleston, West Valley City, Visalia, Hampton, Gainesville, Warren, Coral Springs, Cedar Rapids, Round Rock, Sterling Heights, Kent, Columbia, Santa Clara, New Haven, Stamford, Concord, Elizabeth, Athens, Thousand Oaks, Lafayette, Simi Valley, Topeka, Norman, Fargo, Wilmington, Abilene, Odessa, Columbia, Pearland, Victorville, Hartford, Vallejo, Allentown, Berkeley, Richardson, Arvada, Ann Arbor, Rochester, Cambridge, Sugar Land, Lansing, Evansville, College Station, Fairfield, Clearwater, Beaumont, Independence, Provo, West Jordan, Murrieta, Palm Bay, El Monte, Carlsbad, North Charleston, Temecula, Clovis, Springfield, Meridian, Westminster, Costa Mesa, High Point, Manchester, Pueblo, Lakeland, Pompano Beach, West Palm Beach, Antioch, Everett, Downey, Lowell, Centennial, Elgin, Richmond, Peoria, Broken Arrow, Miami Gardens, Billings, Jurupa Valley, Sandy Springs, Gresham, Lewisville, Hillsboro, Ventura, Greeley, Inglewood, Waterbury, League City, Santa Maria, Tyler, Davie, Lakewood, Daly City, Boulder, Allen, West Covina, Sparks, Wichita Falls, Green Bay, San Mateo, Norwalk, Rialto, Las Cruces, Chico, El Cajon, Burbank, South Bend, Renton, Vista, Davenport, Edinburg, Tuscaloosa, Carmel, Spokane Valley, San Angelo, Vacaville, Clinton, Bend, Woodbridge.
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Incoloy 800HT Tubes Specification
|
Specification |
Details |
|
Material |
Incoloy 800HT |
|
UNS Number |
UNS N08811 |
|
Werkstoff No. |
W.Nr. 1.4959 |
|
DIN Grade |
DIN 1.4959 |
|
ASTM Standard |
ASTM B163 |
|
ASME Standard |
ASME SB163 |
|
Form |
Seamless, Welded, ERW, Fabricated |
|
Outside Diameter |
6 mm to 168 mm |
|
Wall Thickness |
0.5 mm to 20 mm |
|
Length |
Single Random, Double Random, Cut Length |
|
End Finish |
Plain End, Beveled End |
|
Surface Finish |
Pickled, Annealed, Bright Annealed, Polished |
Alloy 800HT Seamless Tube Chemical Composition
| Alloy | C | Mn | Si | S | Cu | Fe | Ni | Cr | Al | Ti |
| 800HT | 0.06 – 0.10 | 1.50 max | 1.00 max | 0.015 max | 0.75 max | 39.50 min | 30.00 – 35.00 | 19.00 – 23.00 | 0.15 – 0.60ᴬ | 0.15 – 0.60 |
Alloy 800HT Seamless Tube Equivalent Grades
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Tube Incoloy 800HT Equivalent | 1.4859 / 1.4876 | N08811 | NCF 800HT | NA 15(HT) | ЭИ670 | – | X8NiCrAlTi32-21 | XH32T |
Incoloy 800HT Grade SMLS Tube Mechanical Properties
| Alloy | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 800HT | 7.94 g/cm3 | 1385 °C (2525 °F) | Psi – 75,000 , MPa – 520 | Psi – 30,000 , MPa – 205 | 30 % |
Incoloy 800HT Tubing Physical Properties
| PROPERTIES | METRIC | IMPERIAL |
| Density | 7.94 gm/cm3 | 0.287 lb/in3 |
Types Of Incoloy 800HT Seamless & ERW Tube We Stock & Supply
|
Incoloy 800HT UNS N08811 Hydraulic Tubing |
Incoloy 800HT Din 1.4859 Condenser Tubing |
|
ASTM B163 UNS N08811 Welded Tube |
Thin Wall Nickel Alloy 800HT Tubing |
|
Werkstoff 1.4859 Incoloy Instrument Tubing |
Incoloy N08811 Polish Tubing |
|
Incoloy 800HT Din 1.4859 Square Tube |
UNS N08811 Incoloy 800HT Sanitary Tubing |
|
1 inch Incoloy 8811 Tubing |
High-Pressure ASTM B163 UNS N08811 Tube |
|
Incoloy UNS No 8811 Hollow Tubes |
Werkstoff 1.4859 Incoloy Heat exchanger Tube |
|
Incoloy N08811 Rectangular Tubing |
Alloy 800HT Tube Bends |
|
UNS N08811 Incoloy 800HT Electropolished Tube |
Incoloy 800HT Grade Dom Tubing |
|
Incoloy 800HT Square Tubing |
ASME SB 163 UNS N08811 Capillary Tubing |
|
1.4859 Incoloy 800HT Round Tubes |
Re Drawn ASME SB 163 UNS N08811 Tubing |
|
Incoloy UNS No 8811 Gas Tubes |
Incoloy 800HT UNS N08811 Coiled Tubing |
|
Alloy 800HT High-Pressure Tubes |
Incoloy 800HT Alloy Elliptical and Oval Tubes |
|
Incoloy 800HT Grade EFW Tubing |
ASTM B163 UNS N08811 Triangle Tubes |
|
1.4859 Incoloy ERW Tubing |
Cold Drawn Incoloy 800HT Seamless Tubing |
|
Incoloy 800HT Alloy Round Tubing |
1.4859 Incoloy 800HT Finned Tubes |
|
Nickel Alloy 800HT Exhaust Tubing |
Incoloy UNS No 8811 ERW Tubes |
|
Incoloy 800HT Seamless Tube |
ASME SB 163 UNS N08811 Coil Tubes |
|
1.4859 Incoloy 800HT Electropolish Tubing |
Incoloy 800HT UNS N08811 Instrumentation Tubing |
|
Incoloy 8811 Small Diameter Tubing |
12mm 1.4859 Incoloy Tubing |
ASTM B516 Incoloy 800HT Tube Sizes
|
Wall Thickness |
Incoloy 800HT Tube Sizes ( O.D.) |
|
.010 |
1/16″ , 1/8″ , 3/16″ |
|
.020 |
1/16″ , 1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ |
|
.012 |
1/8″ |
|
.016 |
1/8″ , 3/16″ |
|
.028 |
1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 3/4″ , 1″ , 1 1/2″ , 2″ |
|
.035 |
1/8″ , 3/16″ , 1/4″ , 5/16″ , 3/8″ , 7/16″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
|
.049 |
3/16″ , 1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/8″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 2″ , 2 1/4″ |
|
.065 |
1/4″ , 5/16″ , 3/8″ , 1/2″ , 16″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 3/4″ , 2″ , 2 1/2″ , 3″ |
|
.083 |
1/4″ , 3/8″ , 1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 1 5/8″ , 1 7/8″ , 2″ , 2 1/2″ ,3″ |
|
.095 |
1/2″ , 5/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
|
.109 |
1/2″ , 3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ |
|
.120 |
1/2″ , 5/8″ , 3/4″ , 7/8″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 2 1/4″ , 2 1/2″ , 3″ |
|
.125 |
3/4″ , 1″ , 1 1/4″ , 1 1/2″ , 2″ , 3″ , 3 1/4″ |
|
.134 |
1″ |
|
.250 |
3″ |
|
.375 |
3 1/2″ |
Incoloy 800HT Din 1.4859 Square Tube size and weight
|
DIMENSIONS |
WALL |
WEIGHT PER |
DIMENSIONS |
WALL |
WEIGHT PER |
|
|
(MM) |
(MM) |
METRE (KG) |
(MM) |
(MM) |
METRE (KG) |
|
|
12.7 x 12.7 |
1.20 |
0.44 |
40 x40 |
1.20 |
1.49 |
|
|
12.7 x 12.7 |
1.50 |
0.55 |
40 x40 |
1.50 |
1.85 |
|
|
15 x 15 |
1.20 |
0.53 |
40 x40 |
2.00 |
2.45 |
|
|
15 x 15 |
1.50 |
0.65 |
40 x40 |
3.00 |
3.75 |
|
|
20 x 20 |
1.20 |
0.71 |
50 x50 |
1.50 |
2.32 |
|
|
20 x 20 |
1.50 |
0.88 |
50 x50 |
2.00 |
3.08 |
|
|
20 x 20 |
2.00 |
1.19 |
50 x50 |
3.00 |
4.65 |
|
|
25 x 25 |
1.20 |
0.92 |
60 x60 |
2.00 |
3.71 |
|
|
25 x 25 |
1.50 |
1.14 |
60 x60 |
3.00 |
5.49 |
|
|
25 x 25 |
2.00 |
1.49 |
70 x70 |
3.00 |
6.53 |
|
|
25 x 25 |
3.00 |
2.20 |
80 x80 |
2.00 |
4.98 |
|
|
30 x 30 |
1.20 |
1.10 |
80 x80 |
3.00 |
7.53 |
|
|
30 x 30 |
1.50 |
1.37 |
100 x 100 |
2.00 |
6.40 |
|
|
30 x 30 |
2.00 |
1.84 |
100 x 100 |
3.00 |
9.53 |
|
|
30 x 30 |
3.00 |
2.72 |
||||
Nickel Alloy 800HT Capillary Tube Size Chart
|
Gauge |
Outside Diameter Tolerance mm |
Regular Wall (RW) mm |
Thin Wall (TW) mm |
Extra Thin Wall (XTW) mm |
Ultra-Thin Wall (UTW) mm |
|
30 |
0.304 – 0.317 |
0.064 – 0.089 |
|||
|
29 |
o.330 – 0.342 |
0.064 – 0.089 |
|||
|
28 |
0.355 – 0.368 |
0.076 – 0.102 |
|||
|
27 |
0.406 – 0.419 |
0.089 – 0.115 |
0.064 – 0.089 |
||
|
26 |
0.457 – 0.469 |
0.089 – 0.114 |
|||
|
25 |
0.508 – 0.520 |
0.115 – 0.140 |
0.089 – 0.114 |
||
|
24 |
0.558 – 0.571 |
0.114 – 0.140 |
0.089 – 0.114 |
0.051 – 0.102 |
|
|
23 |
0.635 – 0.647 |
0.140 – 0.165 |
0.089 – 0.114 |
0.051 – 0.102 |
|
|
22 |
0.711 – 0.723 |
0.140 – 0.165 |
0.096 – 0.121 |
0.077 – 0.102 |
0.051 – 0.102 |
|
21 |
0.812 – 0.825 |
0.140 – 0.165 |
0.102 – 0.127 |
0.051 – 0.102 |
|
|
20 |
0.901 – 0.914 |
0.108 – 0.165 |
0.108 – 0.134 |
||
|
19 |
1.054 – 1.079 |
0.166 – 0.216 |
0.102 – 0.140 |
0.070 – 0.108 |
|
|
18 |
1.257 – 1.282 |
0.191 – 0.241 |
0.127 – 0.165 |
0.083 – 0.121 |
0.051 – 0.102 |
|
17 |
1.460 – 1.485 |
0.177 – 0.229 |
0.115 – 0.152 |
0.083 – 0.127 |
0.057 – 0.102 |
|
16 |
1.638 – 1.663 |
0.204 – 0.254 |
0.127 – 0.165 |
0.096 – 0.133 |
0.070 – 0.121 |
|
15 |
1.816 – 1.841 |
0.204 – 0.254 |
0.127 – 0.165 |
0.096 – 0.134 |
0.070 – 0.121 |
|
14 |
2.082 – 2.133 |
0.216 – 0.292 |
0.165 – 0.229 |
0.114 – 0.165 |
0.076 – 0.134 |
|
13 |
2.387 – 2.438 |
0.267 – 0.343 |
0.191 – 0.267 |
||
|
12 |
2.743 – 2.749 |
0.267 – 0.321 |
|||
|
11 |
3.023 – 3.073 |
0.293 – 0.368 |
0.216 – 0.292 |
||
|
10 |
3.378 – 3.429 |
0.318 – 0.394 |
0.216 – 0.292 |
Applications of Incoloy 800HT Tubes
Thanks to their excellent high-temperature performance and corrosion resistance, Incoloy 800HT Tubes are widely used in:
- Petrochemical Plants
- Heat Exchangers
- Chemical Processing Plants
- Fertilizer Industry
- Power Generation
- Nuclear Industry
- Refineries
- Furnace Components
- Boilers
- Superheaters
- Pressure Vessels
- Process Equipment
- Oil & Gas Industry
- Offshore Platforms
- Pharmaceutical Plants
- Marine Industry
Related Incoloy Tubes Grades
Why Choose Us as Your Incoloy 800HT Tube Supplier?
We understand that industrial projects require dependable materials delivered on schedule. Our team works closely with customers to recommend the right tubing solution based on operating temperature, pressure, corrosion conditions, and project specifications.
Why customers choose us:
- Extensive inventory for fast delivery
- Experienced Alloy 800HT Tube Stockist
- Reliable UNS N08811 Seamless Tube Exporter
- Competitive pricing
- Third-party inspection available
- Mill Test Certificates (EN 10204 3.1)
- PMI Testing
- Ultrasonic Testing
- Hydrostatic Testing
- Worldwide shipping
- Custom cutting and packaging
- Technical assistance before and after purchase
Equivalent Grades for Alloy 825 Seamless and Welded Tubes
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN | OR |
| Equivalent | 2.4858 | N08825 | NCF 825 | NA 16 | ЭП703 | NFE30C20DUM | NiCr21Mo | XH38BT |
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