At Adinox Overseas, we specialize in delivering high-quality Incoloy 800HT Sheets, designed to perform efficiently under extreme temperature and pressure conditions. Manufactured in compliance with international standards, these sheets meet the rigorous specifications of ASTM B409 and are categorized under the UNS N08811 grade. Known for their superior strength, exceptional oxidation resistance, and outstanding structural stability, Incoloy 800HT Sheets are ideal for applications in heat exchangers, furnace components, petrochemical processing, and power generation industries.

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The ASTM B409 Incoloy 800HT Sheets are engineered to resist chloride stress corrosion cracking and pitting, often encountered in high-temperature aqueous environments. This makes them suitable for a wide range of applications, including superheaters, heat treatment equipment, chemical plants, and refinery units. The alloy maintains structural integrity over long service cycles, thereby reducing maintenance downtime and ensuring operational efficiency.

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Our sheets conform to the stringent guidelines laid down in international quality standards. Every product that leaves our facility is subjected to rigorous testing, including intergranular corrosion testing, tensile strength, elongation, flattening, and grain size analysis, ensuring it meets or exceeds the demands of critical applications. At Adinox Overseas, we pride ourselves on maintaining a consistent inventory of UNS N08811 Sheets to support immediate and bulk orders globally.

Manufactured using top-grade raw materials and under stringent quality control processes, ASTM B409 Incoloy 800HT Sheets are heat-treated for improved microstructural stability. This ensures exceptional resistance to intergranular corrosion and stress corrosion cracking, particularly in environments with high chloride or sulfur content. These qualities make them ideal for usage in nuclear power plants, industrial furnaces, ethylene cracking furnaces, and hydrocarbon processing.

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With high mechanical property, long life, and high resistivity towards oxidation and carburization, Incoloy 800HT Sheets have become a first choice for high-performance demand in numerous industries.One of Incoloy 800HT Sheets' most striking feature is its high oxidation and corrosion resistant property, even in extreme thermal environments.

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Specifications Of Incoloy 800HT Sheets

Grade	ASTM B409/ ASME SB409 800
Size	1000 mm x 2000 mm, 1220 mm x 2440 mm, 1500 mm x 3000 mm, 2000 mm x 2000 mm, 2000 mm x 4000 mm
Thickness	0.1mm to 12 mm Thk
Standards	ASTM / ASME SB 168
Form	Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Strip, Flats, Blank (Circle), Ring (Flange)
Finish	Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Hardness	Soft, Hard, Half Hard, Quarter Hard, Spring Hard etc.

Chemical Composition for Incoloy 800HT Sheets

Grade	C	Mn	Si	S	Cu	Fe	Ni	Cr	Al	Ti
Incoloy 800HT	0.10 max	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 – 0.60	0.15 – 0.60

Mechanical Properties Of Incoloy 800HT Sheets

Element	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 %

Application Of Industries

Power Plants

Aerospace

Refineries

Construction

Oil & Gas

Sugar

Chemical

Petrochemical

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