Incoloy 800/800H/800HT Tubes

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Incoloy 800/800H/800HT Tubes Suppliers and Manufacturer, in Auckland, New Zealand.

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Incoloy 800/800H/800HT tubes are precision-crafted parts custom-manufactured from a specialized alloy mixture, abundant in nickel, iron, and chromium, enhanced with regulated amounts of aluminum and titanium. Designed to endure extreme temperatures and corrosive settings, these tubes demonstrate outstanding resistance to oxidation, carburization, and sulfidation. Through subtle differences in composition, they deliver optimized performance across a range of high-temperature applications, encompassing petrochemical processing, furnace components, and thermal processing equipment. Celebrated for their durability and reliability, Incoloy 800/800H/800HT tubes act as the foundation in critical operations where uncompromising performance and longevity are essential.

Incoloy 800/800H/800HT Tubes Specifications

Standard	ASTM B423, B705 / ASME SB 423, SB 705
Standard	ASTM, ASME and API
Size	15 NB UP TO 600 NB IN SCH 5S, 10S,10, 20, 40S, 40, STD, 60, 80S, 80, XS, 100, 120, 140, 160 & XXS
Length	Single Random, Double Random & Required Length, Cut Length
End	Plain End, Beveled End, Treaded

Incoloy 800/800H/800HT Tubes Chemical Composition

Element	Alloy 800	Alloy 800H	Alloy 800HT
C	0.10 max	0.05 – 0.10	0.06 – 0.10
Mn	1.50 max	1.50 max	1.50 max
Si	1.00 max	1.00 max	1.00 max
S	0.015 max	0.015 max	0.015 max
Cu	0.75 max	0.75 max	0.75 max
Fe	39.50 min	39.50 min	39.50 min
Ni	30.00 – 35.00	30.00 – 35.00	30.00 – 35.00
Cr	19.00 – 23.00	19.00 – 23.00	19.00 – 23.00

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Incoloy 800/800H/800HT Tubes Mechanical Properties

Element	Incoloy Alloy 800/800H/800HT
Density	7.94 g/cm3
Melting Point	1385 °C (2525 °F)
Tensile Strength	Psi – 75,000 , MPa – 520
Yield Strength (0.2%Offset)	Psi – 30,000 , MPa – 205
Elongation	30 %

Top Incoloy 800/800H/800HT Tubes Manufacturing Company in Auckland

At Koasteel, we take pride in being the largest supplier and manufacturer in the New Zealand, delivering innovative solutions for every piping requirement you have. With advanced production facilities strategically positioned across New Zealand, we maintain an extensive inventory of more than 25,000 tons of top-quality materials kept ready in stock.

Get in touch with us for a fast quote tailored to your requirement.

We supply these Incoloy 800/800H/800HT Tubes in accordance with DIN, ISO, JIS or ANSI Standard.

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Advantages of Incoloy 800/800H/800HT Tubes

High Temperature Resistance: These alloys are engineered to endure elevated temperatures, which makes them well-suited for use in heat treatment furnaces, petrochemical processing, and power generation equipment.
Corrosion Resistance: Incoloy 800 series tubes provide outstanding protection against corrosion across a range of environments, such as sulfidation, nitriding, and chloride stress corrosion cracking.
Oxidation Resistance: They demonstrate superb resistance to oxidation at high temperatures, preserving their mechanical properties even within oxidizing atmospheres.
Creep Resistance: Incoloy 800/800H/800HT tubes deliver excellent creep and rupture strength under high temperatures, enabling them to endure extended exposure to elevated stresses without notable deformation.
Good Mechanical Properties: These alloys feature strong mechanical properties, such as high tensile strength and toughness, which enhance their durability and reliability in demanding applications.

Types of Incoloy 800/800H/800HT Tubes

Incoloy 800/800H/800HT Tubes Applications

Application Industry

Incoloy 800/800H/800HT Tubes serve applications as varied as the industries they support, led chiefly by the aerospace, railway, construction and automotive industries along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.

Oil and Gas Industry

Power Generation

Petrochemicals and Chemical Processing

Automotive and Transportation

Heat Exchangers: Incoloy 800/800H/800HT tubes are frequently employed in heat exchangers across a range of industrial operations that involve elevated temperatures and corrosive conditions, including petrochemical plants, refineries, and chemical processing facilities.
Furnace Components: Owing to their outstanding resistance to oxidation and carburization, these alloys are widely applied in building furnace parts such as radiant tubes, heating elements, and muffles used in heat treatment across industries like aerospace, automotive, and metallurgy.
Power Generation: Incoloy 800 series tubes serve power generation purposes, spanning coal-fired and gas turbine power plants, where their high-temperature strength and corrosion resistance make them suitable for boiler tubes, superheater tubes, and reheater tubes.

How to Choose the Right Incoloy 800/800H/800HT Tubes

Operating Temperature: Establish the highest operating temperature your application will reach. Incoloy 800 can be used at temperatures up to about 1100°C (2000°F), whereas Incoloy 800H and 800HT provide greater creep and rupture strength when heated, with 800H rated for a maximum service temperature near 1000°C (1830°F) and 800HT capable of enduring temperatures reaching roughly 1100°C (2010°F).
Corrosive Environment: Take into account the corrosive conditions to which the tube will be subjected. Incoloy 800H and 800HT deliver improved resistance to aqueous corrosion relative to standard Incoloy 800, which makes them a better fit for uses that involve corrosive atmospheres or aqueous solutions under high-temperature conditions.
Mechanical Properties: Assess the mechanical characteristics your application demands, including tensile strength, yield strength, and elongation. Incoloy 800H and 800HT generally provide greater mechanical strength than standard Incoloy 800, especially at high temperatures.
Creep Resistance: When your application entails extended exposure to high temperatures, as with furnace components or heat exchangers, factor in the alloy’s creep resistance. Incoloy 800HT is purpose-built to deliver better creep strength than both Incoloy 800 and 800H, which makes it well suited to high-temperature uses that call for long-term stability.

Are Incoloy 800/800H/800HT Tubes Cost-effective?

Incoloy 800/800H/800HT tubesprovide better high-temperature strength and corrosion resistance, positioning them as cost-effective options for challenging applications across industries like petrochemicals, power generation, and aerospace. Although upfront costs can exceed those of certain alternatives, their durability and performance frequently lead to long-term savings on maintenance and replacement.

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FAQ (Frequently Asked Questions)

Can Incoloy 800/800H/800HT Tubes be recycled after use?

Yes,Incoloy 800/800H/800HT tubes are recyclable once they have been used. Nickel-based alloys such as Incoloy rank among the most recyclable materials. Following their use, they can be gathered, processed, and put back into service across a range of industries, supporting sustainable resource management and lowering the environmental footprint of metal production.

Are Incoloy 800/800H/800HT Tubes suitable for cryogenic applications?

No,Incoloy 800/800H/800HT tubes are unsuitable for cryogenic use because their toughness is restricted at low temperatures.

Are Incoloy 800/800H/800HT Tubes susceptible to galvanic corrosion?

Incoloy 800/800H/800HT tubes can undergo galvanic corrosion when placed in contact with dissimilar metals under specific environmental conditions. Appropriate material selection and corrosion mitigation strategies—including insulation, coatings, or the use of compatible materials—can reduce the risk of galvanic corrosion and help ensure the tubes remain durable throughout their service life.

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