Incoloy 800HT B409

Incoloy 800HT B409 Plate is a high-performance, heat-resistant alloy composed primarily of nickel, iron, and chromium, engineered to deliver superior strength and corrosion resistance in high-temperature industrial environments. Developed as an advanced version of Incoloy 800H, this alloy features controlled levels of carbon, aluminum, and titanium, enhancing its creep and rupture strength. Incoloy 800HT B409 Plates exhibit excellent resistance to oxidation, carburization, and thermal cycling, making them ideal for prolonged exposure to temperatures up to 1100°C (2012°F). Common applications include furnaces, heat-treating equipment, ethanol reformers, and chemical process systems that require consistent performance under severe thermal stress.

Renam Alloys Inc. is a leading supplier and exporter of Incoloy 800HT B409 Plates, Sheets, Hot Rolled Plates, and Cold Rolled Plates across India and overseas markets. We stock a complete range of Incoloy 800HT Coils, Strips, and Sheets tailored for high-temperature, corrosion-prone environments. With a reputation for delivering high-quality materials, Renam Alloys Inc. ensures that its Incoloy 800HT products meet the rigorous demands of industries such as petrochemical processing, power generation, thermal processing, and offshore drilling. Our plates are known for long service life, reliability, and conformance to ASTM B409 standards.

Features of Incoloy 800HT B409 Plate

Incoloy 800HT B409 Plates are widely recognized for their superior performance in high-temperature applications. They offer enhanced creep resistance, rupture strength, and thermal stability due to the controlled additions of carbon, aluminum, and titanium. These plates maintain exceptional structural integrity under prolonged exposure to elevated temperatures and aggressive environments. Their excellent oxidation resistance, combined with good weldability and fabrication capabilities, make them an ideal choice for demanding industries such as chemical processing, power generation, and industrial heating systems.

Characteristics of Incoloy 800HT B409 Plate

Incoloy 800HT B409 Plates are composed of a nickel-iron-chromium base with carefully adjusted carbon and added aluminum and titanium to boost high-temperature strength. These plates exhibit excellent oxidation resistance and maintain mechanical properties even at temperatures exceeding 1000°C (1832°F). They are highly resistant to carburization, nitric acid environments, and oxidizing and reducing conditions. The alloy’s ability to resist structural degradation makes it highly effective in applications such as furnace components, thermowells, and heat-treat fixtures.

Manufacturing of Incoloy 800HT B409 Plate

At Renam Alloys Inc., the manufacturing process of Incoloy 800HT B409 Plates includes advanced hot rolling and cold rolling procedures to achieve precise dimensional accuracy and optimal surface finishes. The plates undergo a stringent solution annealing treatment to enhance their creep strength and corrosion resistance. Each batch is tested for chemical composition, mechanical strength, and surface integrity to meet the specifications of ASTM B409. Our quality assurance process ensures that each Incoloy 800HT plate is capable of withstanding the most severe industrial conditions with consistent performance and durability.

Specifications

Specification	ASTM B409 / ASME SB409
Width	1000mm - 2500mm
Thickness	0.5mm - 50mm
Length	2000mm - 6000mm
Supply Condition	Hot-Rolled, Cold-Rolled, Annealed, and as per customer requirements
Impact Tested	-196°C
Process of Manufacturing	Hot-Rolled, Cold-Rolled, Annealing, Pickling, and Passivation

Chemical Composition of Incoloy 800HT B409 Plate

Element	Composition (%)
Nickel (Ni)	30.0 - 35.0
Iron (Fe)	39.5 min
Chromium (Cr)	19.0 - 23.0
Aluminum (Al)	0.15 - 0.60
Titanium (Ti)	0.15 - 0.60
Carbon (C)	0.06 - 0.10
Manganese (Mn)	1.5 max
Silicon (Si)	1.0 max
Sulfur (S)	0.015 max

Mechanical Properties of Incoloy 800HT B409 Plate

Property	Value
Tensile Strength	85,000 psi (585 MPa) min
Yield Strength	45,000 psi (310 MPa) min
Elongation	30% (in 2 inches / 50 mm)
Hardness	Rockwell B: ≤ 90
Modulus of Elasticity	205 GPa

Equivalent Grades of Incoloy 800HT B409 Plate

Standard	ASTM B409	ASME SB409	UNS	Werkstoff Nr.	ISO
Equivalent Grade	Incoloy 800HT	Incoloy 800HT	N08811	1.4959 / 1.4876	NiCr21Fe10Mo

WE OFFER THE FOLLOWING PROCESSING FOR NICKEL ALLOY PLATES

Cutting, Forming, Drilling / Machining, Grinding, Testing, Polishing

Applications of Incoloy 800HT B409 Plates

Incoloy 800HT B409 Plates are specifically engineered for high-temperature environments, offering outstanding resistance to oxidation, carburization, and corrosion. These plates are highly suitable for applications requiring enhanced mechanical properties at elevated temperatures and aggressive service conditions.

In the chemical processing industry, Incoloy 800HT B409 Plates are widely used in heat exchangers, reactor vessels, and piping systems where high thermal and chemical resistance is crucial. Their ability to maintain strength and stability under thermal stress makes them ideal for processing highly corrosive chemicals at elevated temperatures.

The petrochemical industry relies on the performance of Incoloy 800HT B409 Plates in demanding applications such as hydrocarbon cracking furnaces, reformer tubes, and distillation towers. Their superior resistance to heat and aggressive environments enhances the durability and safety of core process equipment.

In the power generation sector, these plates are employed in critical components like gas turbines, heat recovery steam generators (HRSG), and boiler parts, where they deliver long-lasting strength and thermal fatigue resistance, ensuring efficiency and uninterrupted performance.

The nuclear industry benefits from the use of Incoloy 800HT B409 Plates in nuclear steam generators, pressure vessels, and heat exchanger systems due to their remarkable ability to handle extreme radiation, temperature, and pressure environments safely and effectively.

In the food processing industry, Incoloy 800HT B409 Plates are utilized in high-temperature cooking systems, pasteurizers, and sterilization chambers, where they maintain hygiene standards and structural performance even under repeated exposure to heat and steam.

Incoloy 800HT B409