In a high-stakes phosphoric acid plant in Gujarat, India, a critical heat exchanger failed prematurely due to pitting from chloride-laden process streams, halting production and costing millions in downtime. Procurement heads switched to Incoloy® 825 foil (UNS N08825) liners, restoring operations with zero failures over three years proving why engineers in chemical, oil & gas, marine, pharma, and power generation demand Incoloy foil over standard stainless or basic nickel alloys for unmatched corrosion resistance and lifecycle savings.
Table of Contents:
Incoloy® foils, primarily grades like 825 (UNS N08825, W. Nr. 2.4858, ASTM B424), 800 (UNS N08800, ASTM B409), 800H/800HT, deliver thin-gauge (0.01mm to 2mm) protection in aggressive environments where SS304/316L pits rapidly and even Alloy 20 falters under stress corrosion cracking (SCC) . These nickel-iron-chromium alloys with Mo, Cu, Ti additions outperform in sulfuric/phosphoric acids (up to 98% H2SO4 at 100°C), sour gas (H2S per NACE MR0175), and seawater, reducing replacement frequency by 40-60% per industry case studies .
Unlike bulkier sheets, Incoloy foils excel as precision liners, gaskets, and thermal shields lightweight yet tough, with yield strengths ≥310 MPa and elongation ≥30% for fabrication ease . For OEMs and fabricators, they cut weight in heat exchangers while boosting uptime; hardware stores value ready stock for urgent spares .
Aurico Alloys LLP stands as a trusted supplier, manufacturer, and stockist of Incoloy Foil, providing affordable, best-quality, authentic material with MTC EN 10204 3.1 to chemical, oil & gas, marine, pharma, power industries, and hardware stores in India and abroad .
High-quality Incoloy Foil ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP - Incoloy foil supplier, stockist, exporter India to abroad |
|---|---|
| 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 | 0.01mm – 2mm (thin gauge Incoloy foil) |
| Width/Length | Up to 1200mm width, coils or cut-to-length |
| Finish | Bright annealed, foil, strip, custom slit |
| Delivery | Stock, MTC 3.1, RoHS/REACH, global export pack |
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 Incoloy® foils in 825 for sour gas/phosphoric acid, 800H for power superheaters, thin gauge 0.01-2mm for precision needs. Incoloy 825 foil supplier in Mumbai offers competitive price per kg for OEMs, with verified MTC for global pharma/marine projects .
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 825 (Annealed) | Incoloy 800 (Annealed) |
|---|---|---|
| Tensile Strength (MPa) | ≥550 | ≥520 |
| Yield Strength 0.2% (MPa) | ≥220 | ≥205 |
| Elongation (%) | ≥30 | ≥30 |
| Max Service Temp (°C) | ≤538 (reducing acids) | ≤1100 (oxidation) |
Applications & Benefits
Incoloy® foils outperform alternatives like SS316L (pitting in 5% HCl) or Hastelloy (higher cost) by 2-3x in acid resistance, ideal for cost-conscious procurement .
- Chemical Processing: Corrosion resistant Incoloy 800 foil for piping liners; Incoloy 825 foil ASTM B424 for sulfuric acid/ammonium sulfate reactors.
- Oil & Gas: UNS N08825 Incoloy foil stockist for offshore heat exchanger gaskets, sour gas service (H2S resistant) .
- Power Generation: Incoloy 800H foil supplier Mumbai for superheater tubing, carburization resistant Alloy 800 foil steam reformers .
- Marine: Marine grade Incoloy 825 foil for seawater-cooled exchangers; Incoloy 825 vs Inconel 625 superior SCC resistance in chlorides .
- Pharma: Sulfuric acid resistant Incoloy foils for reactors; thin gauge for distillation plants .
- High-Temp: Incoloy 800HT foil for furnace muffles, electric heating sheaths; Incoloy foil price per kg Mumbai competitive .
FAQ & Search Trends
Global Export Destinations
We ship worldwide from Mumbai. See every destination we export to on our export markets page.
Domestic Supply Network
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Incoloy® foils from Aurico Alloys LLP deliver superior corrosion defense, fabricability, and value for demanding industries outlasting alternatives while ensuring compliance and uptime . Ready to secure your assets with premium Incoloy foil?