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Inconel 800 800H 800HT Sheet, Plate & Coil is a high-performance nickel-chromium alloy known for its excellent resistance to oxidation and corrosion. It is widely used in industrial applications where high temperature and corrosive environments are common, such as chemical processing, aerospace, and power generation.

The alloy’s superior mechanical properties, including high tensile strength and durability, make Inconel 800 800H 800HT an ideal choice for manufacturing sheets, plates, and coils. These forms are versatile and can be easily fabricated into components for various industrial applications.

Inconel 800 800H 800HT Sheets are available in different thicknesses and dimensions, making them suitable for custom applications. They are commonly used in heat exchangers, furnace components, and chemical reactors due to their exceptional thermal stability.

Inconel 800 800H 800HT Plates offer excellent resistance to high-temperature corrosion and are often used in flanges, pressure vessels, and structural components in chemical and petrochemical industries. Their high strength at elevated temperatures ensures long-lasting performance.

Inconel 800 800H 800HT Sheet Plate & Coils and Coils

Inconel 800 800H 800HT Coils are widely utilized in applications requiring continuous processing or forming, such as in industrial equipment and heat treatment systems. Coils can be cut, rolled, and formed into custom parts as per engineering requirements.

The chemical composition of Inconel 800 800H 800HT includes nickel, chromium, and iron, which contribute to its outstanding corrosion resistance and mechanical strength. The alloy maintains stability in both oxidizing and reducing environments, including acidic and alkaline solutions.

Inconel 800 800H 800HT is highly resistant to scaling and oxidation, even at temperatures up to 1200°F (650°C). This property makes it suitable for use in high-temperature furnace components, combustion chambers, and aerospace engine parts.

Fabrication of Inconel 800 800H 800HT Sheets, Plates, and Coils can be done using standard techniques such as welding, machining, and forming. Proper handling and heat treatment ensure optimal performance and longevity of the alloy components.

Specification Table

Grade Standard Type Form Finish Size Range Applications
Inconel 800 ASTM B407 / B409 / B408 Nickel-Chromium Alloy Sheet / Plate / Coil Hot Rolled / Cold Rolled Thickness: 0.5mm – 100mm
Width: 1000mm – 2000mm
Length: As per requirement
Furnace components, heat exchangers, chemical processing equipment
Inconel 800H ASTM B407 / B409 / B408 Nickel-Chromium Alloy (High-Temperature) Sheet / Plate / Coil Hot Rolled / Annealed Thickness: 1mm – 75mm
Width: 1000mm – 2000mm
Length: As per requirement
High-temperature applications, chemical processing, nuclear components
Inconel 800HT ASTM B407 / B409 / B408 Nickel-Chromium Alloy (Extra-High Temperature) Sheet / Plate / Coil Hot Rolled / Annealed Thickness: 2mm – 50mm
Width: 1000mm – 2000mm
Length: As per requirement
Furnace components, high-temperature heat exchangers, aerospace parts

Chemical Composition (Typical ranges for SSSheet)

Note: Values are typical ranges. Final composition will be confirmed on MTC provided per lot.

Grade Ni Cr Fe C Mn Si Cu Other Elements
Inconel 800 30–35 19–23 Balance (~39) ≤0.15 ≤1.0 ≤1.0 ≤0.5 Ti + Al ≤0.7
Inconel 800H 30–35 19–23 Balance (~39) ≤0.06 ≤1.0 ≤1.0 ≤0.5 Ti + Al ≤0.7
Inconel 800HT 30–35 19–23 Balance (~39) ≤0.10 ≤1.0 ≤1.0 ≤0.5 Ti + Al ≤0.7

Mechanical Properties (Typical)

Grade Condition Tensile Strength (MPa) Yield Strength (MPa) Elongation (%) Hardness (HRB)
Inconel 800 Annealed 550–750 275–400 40–50 75–90
Inconel 800H Annealed 550–700 275–410 35–45 75–95
Inconel 800HT Annealed 550–700 310–450 30–40 80–95

Equivalent Grades

Inconel Grade ASTM / ASME UNS EN / DIN JIS
Inconel 800 ASTM B407 / B409 / B408 UNS N08800 X8NiCrAlNb21-21 なし (Not specified)
Inconel 800H ASTM B407 / B409 / B408 UNS N08810 X8NiCrAlNb21-21 なし (Not specified)
Inconel 800HT ASTM B407 / B409 / B408 UNS N08811 X8NiCrAlNb21-21 なし (Not specified)

Dimension & Weight Chart (Selected common sizes)

Below is a representative chart showing outside diameter, wall thickness, inside diameter, cross-sectional area of metal and calculated weight per metre (kg/m). Values are calculated using density = 7.93 g/cm³ and are for guidance — use actual MTC values for procurement & engineering.

Thickness (mm) Width (mm) Length (mm) Weight per Sheet / Coil (kg) Notes
0.5 – 3 1000 – 1500 1000 – 3000 Approx. 4 – 18 Thin sheets suitable for chemical equipment & heat exchangers
3 – 10 1000 – 1500 2000 – 4000 Approx. 24 – 120 Medium thickness sheets & plates for industrial use
10 – 50 1000 – 2000 2000 – 6000 Approx. 200 – 1200 Heavy plates for furnace, nuclear & high-temperature applications
0.5 – 50 1000 – 2000 Coiled lengths as per requirement Weight varies with thickness and width Coils for rolling, forming, or custom fabrication

Common Types Of Sheets

Shim Sheet

Shim Sheet

Perforated Sheet

Perforated Sheet

Chequered Plate

Chequered Plate

Coils

Coil

Strips

Strips

Foil

Foil

Hot Rolled Sheets

Hot Rolled Sheets

Cold Rolled Plate

Cold Rolled Plate

Matt PVC Sheet

Matt PVC Sheet

Frequently Asked Questions (FAQ)

What is Inconel 800, 800H, 800HT?

Inconel 800 is a nickel-iron-chromium alloy with excellent resistance to oxidation and carburization at high temperatures. 800H and 800HT are high-temperature variants with controlled carbon content for better mechanical properties at elevated temperatures.

What forms are available?

Inconel 800, 800H, 800HT is available in sheets, plates, and coils in various thicknesses, widths, and lengths.

What are the typical applications?

These alloys are widely used in chemical processing, heat exchangers, furnace components, nuclear reactors, and aerospace applications due to their high-temperature strength and corrosion resistance.

What is the chemical composition?

The alloys consist mainly of Nickel (30–35%), Chromium (19–23%), and Iron (balance), with small amounts of Carbon, Manganese, Silicon, Copper, and Titanium/Aluminum depending on the grade.

What are the mechanical properties?

Inconel 800 series alloys have tensile strength ranging 550–750 MPa, yield strength 275–450 MPa, elongation 30–50%, and hardness 75–95 HRB, depending on the grade and heat treatment.

Plates & Coils Supplier

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Plates & Coils Exporter

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