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
The creator and provider of ALLOY-800H, a high-performance nickel-iron-chromium alloy with remarkable resistance to oxidation, carburization, and high-temperature corrosion, is Taashvi Special Alloys. This alloy exhibits exceptional strength and stability in challenging conditions and thermally demanding environments because it is made for use at higher temperatures. Taashvi Special Alloys is a well-liked choice in industries such as chemical processing, heat-treating furnaces, and power generation because it ensures precise composition control and exceptional manufacturing standards.
Important details regarding Taashvi Special Alloys' Alloy-718:
01 High-Temperature Resistance: High-heat applications benefit greatly from ALLOY-800H's exceptional resistance to oxidation, carburization, and corrosion at extreme temperatures.
02 Excellent Stability: This alloy is dependable and long-lasting since it maintains its superior mechanical qualities even after being exposed to hot conditions for extended periods of time.
03 Chemical Reaction: Because alloy-800H is resistant to a variety of corrosive conditions and atmospheres containing sulfur, it is widely used in the chemical processing industry.
04 Heat-Treating Furnaces: It is appropriate for use in heat-treating furnaces because of its capacity to tolerate high temperatures without losing structural integrity, which offers dependability in thermal processing.
05 Power Generation: Heat exchangers and boiler components for power generation systems benefit greatly from ALLOY-800H's remarkable resistance to corrosion and thermal stress.
06 Manufacturing Excellence: Strict quality control procedures and accuracy in ALLOY-800H composition are maintained by Taashvi Special Alloys, guaranteeing dependable and consistent performance in demanding applications.
In what forms is Alloy 800H 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 800H?
- 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 800H used?
- Ethylene furnace quench boilers
- Hydrocarbon cracking
- Valves, fittings and other components exposed to corrosive attack from 1100-1800째 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 800H (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.
