The Incoloy 800H UNS N08810 is a round bar with high-temperature strength, excellent creep properties, and metallurgical stability, suitable for use in high-temperature service environments. This nickel-iron-chromium alloy has around 30 to 35% Nickel, 19 to 23% chromium, and has a higher controlled carbon content than Incoloy 800. The Round bars are produced to international quality standards with exact dimensions to have the highest possible surface finish, are widely used in critical industries and have the following properties: Outstanding resistance against oxidation, carburization and sulfidation, and resistance against thermal fatigue in temperatures up to 1100°C. USA Piping Solution is a reputable Incoloy 800H UNS N08810 Round Bar Manufacturer and Supplier who provides high-quality products, global supply, and competitive prices.
Specifications of Incoloy 800H UNS N08810 Round Bar
| Specification Parameter | Technical Details & Standard Requirements |
|---|---|
| Material Grade | Incoloy 800H / UNS N08810 |
| Werkstoff Number (W.Nr.) | 1.4958 (Note: 1.4876 corresponds to standard Alloy 800) |
| Governing Standards | ASTM B408, ASME SB408, EN, DIN, JIS, BS, AISI |
| Bar Forms | Round, Square, Hex (A/F), Rectangular, Billet, Ingot, Forging |
| Diameter / Size Range | 5 mm to 500 mm (Custom sizes available from 0.1 mm) |
| Length | 100 mm to 3000 mm & Above / Custom Lengths |
| Dimensional Tolerances | h8, h9, h10, h11, h12, h13, k9, k10, k11, k12 (or as per customer specification) |
| Delivery Condition | Cold Drawn, Polished, Cold Drawn Centreless Ground & Polished |
| Surface Finish | Black, Bright Polished, Rough Turned, No. 4 Finish, Matt Finish, BA Finish |
| Surface Treatments | Hot Rolled Pickled, Sand Blasting Finished, Cold Drawn, Bright Polished, Hairline |
| Primary Industrial Applications | Chemical Processing, Petrochemical Plants, Oil Refining, Food Processing, Pulp & Paper, Pollution Control, Waste Treatment Facilities |
Types of Incoloy 800H UNS N08810 Round Bar
ASME SB408 N08810 Shaft
ASME SB408 UNS N08810 Bright Bar
ASME SB408 UNS N08811 Hex Bar
ASTM B408 N08810 Rod
ASTM B408 N08811 Hot Rolled Bar
B408 N08810 Flat Bar
B408 N08811 Billet
SB408 N08800 Cold Drawn Bar
SB408 UNS N08811 Rectangular Bar
Applications Uses of Incoloy 800H UNS N08810 Round Bar
- Industrial Heat Treatment Furnace Manufacturing
- Ethylene Cracking & Hydrocarbon Processing Plants
- Petrochemical Processing Industry
- Power Generation & Superheater Systems
- Pressure Vessel & Boiler Manufacturing
- Heat Exchanger & Reformer Tube Support Systems
- Chemical Processing Industry
- Oil & Gas Refinery Processing Units
Frequently Asked Questions
1. What is Incoloy 800H UNS N08810 Round Bar?
Incoloy 800H UNS N08810 Round Bar is a nickel-iron-chromium alloy bar specifically designed for high-temperature service. It offers excellent creep strength, oxidation resistance, and long-term structural stability.
2. What is the difference between Incoloy 800 and Incoloy 800H?
The main difference is carbon content. Incoloy 800H has a higher carbon content and controlled grain size, giving it better creep strength and stress rupture resistance at elevated temperatures than Incoloy 800.
3. Is Incoloy 800H Round Bar resistant to oxidation and carburization?
Yes. Incoloy 800H Round Bar provides excellent resistance to oxidation, carburization, and scaling, making it suitable for prolonged exposure to high-temperature environments.
4. Can Incoloy 800H Round Bar be welded and machined?
Yes. Incoloy 800H Round Bar has good weldability and machinability when fabricated using appropriate welding procedures and machining practices.
5. Does Incoloy 800H perform well in heat treatment furnaces?
Yes. Its excellent high-temperature strength and resistance to thermal fatigue make Incoloy 800H Round Bar an ideal material for furnace components, heat treatment equipment, and other high-heat industrial applications.