INCOLOY 800H / 800HT
- Other common names: Alloy 800, Alloy 800H, Inconel® 800, Alloy 800HT
- UNS N08810/N08811
- ASTM B 409, B 408, B 407, B 564
- W. NR. 1.4958, 1.4959
- ASME SB407 Code Case 1325, SB 408, SB409
- GE B50TF14, B50TF15
Superior Quality in Corrosion Resistance
A high-performance nickel-iron-chromium alloy known for its remarkable resistance to oxidation, carburization, and corrosion, particularly in high-temperature settings, is presented by Taashvi Special Alloys as ALLOY-800HT. Designed to endure high temperatures and harsh environments, ALLOY-800HT demonstrates exceptional robustness, stability, and longevity. Because it performs better in tough working situations, it finds extensive uses in industries like power generation, heat-treating furnaces, and chemical processing.
Key Points:
01 Elevated Temperature Resilience: ALLOY-800HT showcases outstanding resistance to oxidation and corrosion at high temperatures, making it an excellent choice for applications requiring heat endurance.
02 Exceptional Strength: Even after extended exposure to extremely high temperatures, this alloy maintains its exceptional mechanical qualities, guaranteeing structural integrity and dependability under tough circumstances.
03 Chemical Processing: Because ALLOY-800HT is resistant to corrosive environments and exposure to atmospheres containing sulfur, it is frequently employed in the chemical processing industries.
04 Heat-Treating Furnaces: It can be used in heat-treating furnaces to provide consistent performance in thermal processing because of its ability to maintain stability at elevated temperatures.
05 Power Generation: ALLOY-800HT’s resilience against thermal stress and corrosion makes it an ideal choice for components in power generation systems, including boilers and heat exchangers.
06 Precision Manufacturing: For ALLOY-800HT, Taashvi Special Alloys maintains strict quality control guidelines and guarantees accurate composition, ensuring constant and dependable performance in demanding applications.
In what forms is Alloy 800HT Available at Taashvi Special Alloys?
- Sheet
- Plate
- Bar
- Pipe & Tube (welded & seamless)
- Fittings
- Forging
- Fasteners
- Elbows, tees, stub-ends, returns, caps, crosses, reducers, pipe nipples. etc.
- Wire
What are the characteristics of Alloy 800HT?
- High temperature strength
- High creep rupture strength
- Resistant to oxidation and carburization in high temperature environments
- Good corrosion resistance in many acidic environments
- Good resistance to many sulfur-containing atmospheres
Chemical Composition, %
| Ni | Cr | Fe | C | Al | Ti | Al+Ti |
|---|---|---|---|---|---|---|
| 30.0-35.0 | 19.0-23.0 | 39.5 min | .05-.10 | .15-.60 | .15-.60 | .30-1.20 |
In what applications is Alloy 800HT used?
- Ethylene furnace quench boilers
- Hydrocarbon cracking
- Valves, fittings and other components exposed to corrosive attack from 1100-1800° F
- Industrial furnaces
- Heat-treating equipment
- Chemical and petrochemical processing
- Super-heater and re-heaters in power plants
- Pressure vessels
- Heat exchangers
ASTM Specifications
| Alloy | Pipe Smls | Pipe Welded | Tube Smls | Tube Welded | Sheet / Plate | Bar | Forging | Fitting |
|---|---|---|---|---|---|---|---|---|
| Alloy 800HT (UNS N08810) | B407 | B154 | B163 | B515 | B409 | B408 | B564 | B366 |
Mechanical Properties
Typical room temperature Tensile Properties of Annealed Material
| Product | Tensile (ksi) | .2% Yield (ksi) | Elongation % |
|---|---|---|---|
| Rod & Bar | 75-100 | 30-60 | 60-30 |
Coil / Sheet /Plate Specification
Dimensions : ASTM, ASME, AISI, DIN, BIS
Thickness : 0.50mm - 100mm
Size : 1000 mm x 2000mm, 1220mm x 2440mm, 4' x 8', 1250mm x 2500mm, 1500mm x 3000mm to 6000mm, 2000mm x 4000mm to 6000mm
Finish : Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Form : Shim Sheet, Perforated Sheet, Profile Cut,
Seamless & Welded Pipes & Tubes Specification
Specification : ASTM, ASME, DIN, NFA, JIS.
Thickness : 4.0mm - 100mm.
Pipe Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Tube Size : 1/2" OD to 8" OD.
Length : Cut length, Fix length, Single Random, Double Random & Required Length.
Form : Round Pipes/Tubes, Square Pipes/Tubes, Rectangular Pipe/Tubes, Coiled Tubes, “U” Shape, Pancake Coils, Hydraulic Tubes.
End : Plain End, Beveled End, Threaded End.
Type : Seamless & Welded Pipes & Tubes.
Round Bar Specification
Dimensions : ASTM, ASME,AISI, API.
Size : 5 mm to 500 mm
Length : from 2.00mm to 6.35mm (0.078" to 0.25") dia.
Finish : Bright, Black, Polish, Forged
Form : Round Bar, Square, Hexagon
Condition : Cold Drawn & Polished Cold Drawn, Centerless Ground Bars & Polished
Other Services : Machining (CNC), Centerless Grinding (CG), Heat Treatment, Annealing, Pickling, Polish, Rolling, Forging, Cutting, Bending, Minor Fabrication
Seamless & Welded Pipes & Tubes Fittings Specification
Specification : ASTM, ASME, DIN, NFA, JIS.
Size : 1/8” NB to 24” NB, 1/4” OD to 24” OD sizes.
Form : Elbow, Tee, Reducer, Stub End, End Cap, Pipe Nipple, Weldolet,
End : Beveled End, Threaded. Plain End,
Type : Seamless & Welded Pipe & Tubes Fittings, Buttweld Fittings & Dairy Fittings.
