When a chemical processing plant faced critical issues with equipment degradation due to aggressive acid environments, switching to Incoloy Sheets resulted in significant longevity improvements and process consistency. These nickel-chromium alloys deliver robust corrosion resistance and mechanical strength required by chemical, marine, oil & gas, pharmaceutical, and power generation industries. Procurement and engineering teams trust Aurico Alloys LLP to supply certified, quality Incoloy sheets that maximize plant uptime and safety.
Table of Contents:
Incoloy grades such as UNS N08800 and N08810 conform to ASTM B409 and EN 10204 standards, composing primarily nickel, chromium, and iron with trace molybdenum and copper to enhance resistance to pitting, crevice corrosion, and chloride stress. These superalloys endure extremes of temperature and chemical attack, making them ideal for heat exchangers, reactors, condensers, and piping systems in corrosive media.
Aurico Alloys LLP offers Incoloy sheets ranging from thin gauge foils to thick plates, supplied in bright, polished, annealed, or ground finishes, with full material test certificates and RoHS, REACH compliance. Our stock supports timely delivery for critical industrial applications globally, ensuring project reliability and compliance.
Offering excellent weldability, fabrication ease, and high tensile strength (up to 700 MPa) with elongation over 30%, Incoloy sheets outshine standard stainless steels and nickel alloys in tough chemical processing environments. Their capacity to maintain structural integrity under thermal cycling and high chloride stress lowers operational risks and maintenance costs.
High-quality Incoloy Sheets ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grades | Incoloy DS, 800, 800H, 800HT, 825, 890, 903, 909 and 660 (A286) |
| Standards | One plate, sheet and strip specification per grade – listed in Equivalent Grades & Standards below. Inspection certificates to EN 10204. |
| Thickness Range | 0.2 mm – 4.75 mm |
| Width | 10 mm – 2500 mm |
| Length | 500 mm – 6000 mm (custom sizes available) |
| Finish | Hot rolled, cold rolled, annealed, polished, ground |
| Delivery | Supplied from stock or arranged against order, depending on grade and size; availability and lead time confirmed at quotation. Certified mill test reports, batch traceability, export packaging. |
| Price | INR 1,500 – 12,000 per kg. Indicative USD 18 – 141 per kg; quoted against grade, form, size and quantity. |
Incoloy Sheet Grades Supplied
Each grade below has its own sheet page carrying that grade’s size range, properties and the specification written for it. Incoloy 925 and 945 are not made in this form; their own pages list the forms they are supplied in.
| Grade | Chosen for |
|---|---|
| Incoloy DS Sheets | Carburisation and thermal cycling in furnace parts |
| Incoloy 800 Sheets | General furnace and process service |
| Incoloy 800H Sheets | Controlled carbon and grain size for creep strength |
| Incoloy 800HT Sheets | Tighter still on carbon and aluminium plus titanium |
| Incoloy 825 Sheets | Sulphuric and phosphoric acid, pickling plant |
| Incoloy 890 Sheets | Wet corrosion service |
| Incoloy 903 Sheets | Constant modulus and low expansion, aerospace rings |
| Incoloy 909 Sheets | Low expansion with higher strength than 903 |
| Incoloy 660 Sheets | Iron-base precipitation-hardened superalloy for turbine and fastener service |
Equivalent Grades & Standards
Incoloy DS
| Property | Value |
|---|---|
| UNS number | N08330 |
| Werkstoff / EN number | 1.4886 |
| Density | 7.94 g/cm3 |
| Melting range | 1343-1393 °C |
| Specific heat (100 °F) | 0.117 Btu/lb·°F (no SI value published) |
| Thermal conductivity (75 °F) | 7.2 Btu·ft/ft²·hr·°F (no SI value published) |
| Electrical resistivity (75 °F) | 616 ohm·circ mil/ft (no SI value published) |
| Coefficient of expansion (70-200 °F) | 8.3 µin/in·°F (no SI value published) |
| Magnetic permeability (annealed at H=2810 oersted) | 1.009 |
| Plate, sheet and strip specification | ASTM B536 |
Identifiers and physical constants for Incoloy DS. A dash means no such designation is published for this grade.
Incoloy 800
| Property | Value |
|---|---|
| UNS number | N08800 |
| Werkstoff / EN number | 1.4876 |
| EN designation | X10NiCrAlTi32-21 |
| Density | 7.94 g/cm3 |
| Melting range | 1357-1385 °C |
| Specific heat (0-100 °C) | 460 J/kg·°C |
| Magnetic permeability (200 oersted at 21 °C - annealed) | 1.014 |
| Magnetic permeability (200 oersted at 21 °C - hot-rolled) | 1.009 |
| Curie temperature | -115 °C |
| Plate, sheet and strip specification | ASTM B409 / B906 / AMS 5871 |
Identifiers and physical constants for Incoloy 800. A dash means no such designation is published for this grade.
Incoloy 800H
| Property | Value |
|---|---|
| UNS number | N08810 |
| Werkstoff / EN number | 1.4958 |
| EN designation | X5NiCrAlTi31-20 |
| Density | 7.94 g/cm3 |
| Melting range | 1357-1385 °C |
| Specific heat (0-100 °C) | 460 J/kg·°C |
| Magnetic permeability (200 oersted at 21 °C - annealed) | 1.014 |
| Magnetic permeability (200 oersted at 21 °C - hot-rolled) | 1.009 |
| Curie temperature | -115 °C |
| Plate, sheet and strip specification | ASTM B409 / B906 |
Identifiers and physical constants for Incoloy 800H. A dash means no such designation is published for this grade.
Incoloy 800HT
| Property | Value |
|---|---|
| UNS number | N08811 |
| Werkstoff / EN number | 1.4959 |
| EN designation | X8NiCrAlTi32-21 |
| Density | 7.94 g/cm3 |
| Melting range | 1357-1385 °C |
| Specific heat (0-100 °C) | 460 J/kg·°C |
| Magnetic permeability (200 oersted at 21 °C - annealed) | 1.014 |
| Magnetic permeability (200 oersted at 21 °C - hot-rolled) | 1.009 |
| Curie temperature | -115 °C |
| Plate, sheet and strip specification | ASTM B409 / B906 |
Identifiers and physical constants for Incoloy 800HT. A dash means no such designation is published for this grade.
Incoloy 825
| Property | Value |
|---|---|
| UNS number | N08825 |
| Werkstoff / EN number | 2.4858 |
| EN designation | NiCr21Mo |
| Density | 8.14 g/cm3 |
| Melting range | 1370-1400 °C |
| Specific heat | 440 J/kg·°C |
| Curie temperature | < -196 °C |
| Magnetic permeability (at 200 oersted / 15.9 kA/m) | 1.005 |
| Plate, sheet and strip specification | ASTM B424 / B906 |
Identifiers and physical constants for Incoloy 825. A dash means no such designation is published for this grade.
Incoloy 890
| Property | Value |
|---|---|
| UNS number | N08890 |
| Werkstoff / EN number | — |
| EN designation | — |
| Density | 7.94 g/cm3 |
| Melting range | 1309-1383 °C |
| Plate, sheet and strip specification | ASTM B409 / B906 |
Identifiers and physical constants for Incoloy 890. A dash means no such designation is published for this grade.
Incoloy 903
| Property | Value |
|---|---|
| UNS number | N19903 |
| Werkstoff / EN number | — |
| EN designation | — |
| Density | 8.25 g/cm3 |
| Melting range | 1318-1393 °C |
| Curie temperature (age-hardened) | 416-471 °C |
| Plate, sheet and strip specification | Mill specification |
Identifiers and physical constants for Incoloy 903. A dash means no such designation is published for this grade.
Incoloy 909
| Property | Value |
|---|---|
| UNS number | N19909 |
| Werkstoff / EN number | — |
| EN designation | — |
| Density | 8.19 g/cm3 |
| Melting range | 1395-1430 °C |
| Curie temperature | 400-455 °C |
| Young's modulus | 159 GPa |
| Modulus of rigidity | 59 GPa |
| Plate, sheet and strip specification | AMS 5893 |
Identifiers and physical constants for Incoloy 909. A dash means no such designation is published for this grade.
Incoloy 660 (A286)
| Property | Value |
|---|---|
| UNS number | S66286 |
| Density | 7.94 g/cm3 |
| Melting range | 1371-1427 °C |
| Plate, sheet and strip specification | AMS 5525 / 5858 |
Identifiers and physical constants for Incoloy 660 (A286). A dash means no such designation is published for this grade.
Stock & Product Availability
Aurico Alloys LLP stocks a comprehensive range of Incoloy sheets and plates fulfilling ASTM, EN, and DIN standards, catering to urgent project needs in chemical processing, power generation, marine, and pharmaceutical sectors with full certifications and tailored sizes.
Chemical Composition
Incoloy DS
| Element | Min (%) | Max (%) |
|---|---|---|
| Chromium (Cr) | 18.0 | 20.0 |
| Nickel (Ni) | 34.0 | 37.0 |
| Manganese (Mn) | — | 2.0 |
| Silicon (Si) | 1.0 | 1.5 |
| Copper (Cu) | — | 1.0 |
| Phosphorus (P) | — | 0.03 |
| Sulfur (S) | — | 0.03 |
| Carbon (C) | 0.04 | 0.08 |
| Iron (Fe) | — | Balance |
Composition limits for Incoloy DS. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 800
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 30.0 | 35.0 |
| Chromium (Cr) | 19.0 | 23.0 |
| Iron (Fe) | 39.5 | — |
| Carbon (C) | — | 0.10 |
| Aluminium (Al) | 0.15 | 0.60 |
| Titanium (Ti) | 0.15 | 0.60 |
| Aluminium + Titanium (Al+Ti) | 0.30 | 1.20 |
| Manganese (Mn) | — | 1.5 |
| Silicon (Si) | — | 1.0 |
| Copper (Cu) | — | 0.75 |
| Sulfur (S) | — | 0.015 |
Composition limits for Incoloy 800. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 800H
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 30.0 | 35.0 |
| Chromium (Cr) | 19.0 | 23.0 |
| Iron (Fe) | 39.5 | — |
| Carbon (C) | 0.05 | 0.10 |
| Aluminium (Al) | 0.15 | 0.60 |
| Titanium (Ti) | 0.15 | 0.60 |
| Aluminium + Titanium (Al+Ti) | 0.30 | 1.20 |
| Manganese (Mn) | — | 1.5 |
| Silicon (Si) | — | 1.0 |
| Copper (Cu) | — | 0.75 |
| Sulfur (S) | — | 0.015 |
Composition limits for Incoloy 800H. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 800HT
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 30.0 | 35.0 |
| Chromium (Cr) | 19.0 | 23.0 |
| Iron (Fe) | 39.5 | — |
| Carbon (C) | 0.06 | 0.10 |
| Aluminium (Al) | 0.25 | 0.60 |
| Titanium (Ti) | 0.25 | 0.60 |
| Aluminium + Titanium (Al+Ti) | 0.85 | 1.20 |
| Manganese (Mn) | — | 1.5 |
| Silicon (Si) | — | 1.0 |
| Copper (Cu) | — | 0.75 |
| Phosphorus (P) | — | 0.045 |
| Sulfur (S) | — | 0.015 |
Composition limits for Incoloy 800HT. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 825
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 38.0 | 46.0 |
| Iron (Fe) | 22.0 | — |
| Chromium (Cr) | 19.5 | 23.5 |
| Molybdenum (Mo) | 2.5 | 3.5 |
| Copper (Cu) | 1.5 | 3.0 |
| Titanium (Ti) | 0.6 | 1.2 |
| Carbon (C) | — | 0.05 |
| Manganese (Mn) | — | 1.0 |
| Sulfur (S) | — | 0.03 |
| Silicon (Si) | — | 0.5 |
| Aluminium (Al) | — | 0.2 |
Composition limits for Incoloy 825. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 890
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 42.5 nominal | |
| Chromium (Cr) | 25 nominal | |
| Iron (Fe) | — | Balance |
| Aluminium (Al) | 0.1 nominal | |
| Niobium (Nb) | 0.4 nominal | |
| Titanium (Ti) | — | 1 |
| Carbon (C) | 0.1 nominal | |
| Manganese (Mn) | — | 1 |
| Silicon (Si) | 1.8 nominal | |
| Phosphorus (P) | — | 0.03 |
| Sulfur (S) | — | 0.015 |
| Copper (Cu) | — | 0.75 |
| Molybdenum (Mo) | 1.5 nominal | |
| Tantalum (Ta) | 0.2 nominal | |
Composition for Incoloy 890. Figures given as a range or a maximum are limits and those marked nominal are not; none of them are measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 903
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 36.0 | 40.0 |
| Cobalt (Co) | 13.0 | 17.0 |
| Aluminium (Al) | 0.30 | 1.15 |
| Titanium (Ti) | 1.00 | 1.85 |
| Niobium (Nb) | 2.40 | 3.50 |
| Iron (Fe) | — | Balance |
Composition limits for Incoloy 903. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 909
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 35.0 | 40.0 |
| Cobalt (Co) | 12.0 | 16.0 |
| Niobium (Nb) | 4.3 | 5.2 |
| Titanium (Ti) | 1.3 | 1.8 |
| Iron (Fe) | — | Balance |
| Silicon (Si) | 0.25 | 0.50 |
| Aluminium (Al) | — | 0.15 |
| Carbon (C) | — | 0.06 |
Composition limits for Incoloy 909. These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Incoloy 660 (A286)
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | — | 0.08 |
| Manganese (Mn) | 1.0 | 2.0 |
| Silicon (Si) | — | 1.0 |
| Sulfur (S) | — | 0.015 |
| Phosphorus (P) | — | 0.025 |
| Chromium (Cr) | 13.5 | 16.0 |
| Nickel (Ni) | 24.0 | 27.0 |
| Iron (Fe) | — | Balance |
| Molybdenum (Mo) | 1.0 | 1.5 |
| Titanium (Ti) | 1.90 | 2.35 |
| Aluminium (Al) | — | 0.35 |
| Boron (B) | 0.003 | 0.010 |
| Vanadium (V) | 0.10 | 0.50 |
Composition limits for Incoloy 660 (A286). These are specification limits for the grade, not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.
Mechanical & Physical Properties
| Property | Incoloy 800 | Incoloy 825 |
|---|---|---|
| Tensile Strength (MPa) | 485 – 620 | 550 – 690 |
| Yield Strength (MPa) | 240 – 310 | 280 – 380 |
| Elongation (%) | 25 – 40 | 30 – 45 |
Applications & Benefits
- Chemical: heat exchangers, reactors, processing tanks, evaporators, acid recovery systems
- Marine: seawater piping, desalination plants, offshore structures
- Oil & Gas: sour gas service, refinery process lines, catalytic converter housings
- Pharma: sterilization vessels, high-purity mixers, bioreactor cladding
- Power: superheater tubes, turbine components, emission control units
FAQ & Insights
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network Across India
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Incoloy Sheets supplied by Aurico Alloys LLP deliver world-class corrosion resistance, mechanical strength, and certified reliability for aggressive chemical, marine, pharma, and power applications. Are your industrial processes safeguarded with this trusted nickel alloy sheet solution?