When the demand for components that withstand extreme temperatures and corrosive environments increased, Nimonic Sheets emerged as the preferred high-performance solution. With exceptional creep resistance and mechanical strength, Aurico Alloys LLP Nimonic sheets serve diverse sectors such as chemical processing, marine engineering, oil & gas, pharmaceuticals, and power generation ensuring longevity and safety in critical applications.

Nimonic alloy 75 (UNS N06075) and similar grades are nickel-based superalloys featuring cobalt, chromium, and molybdenum additions that enhance thermal stability and corrosion resistance. Engineered to maintain mechanical properties at temperatures exceeding 700°C, Nimonic sheets provide dramatic performance improvements over standard stainless steels, particularly in turbine blades, heat exchangers, and high-stress chemical reactors.

Aurico Alloys LLP supplies Nimonic sheets ranging from 0.2 mm to 4.75 mm thickness, wide sheet widths, and customizable lengths offered with bright, annealed, and polished finishes. Comprehensive mill test certificates, PMI testing, and RoHS/REACH compliance accompany each batch, affirming quality and traceability for vital industrial projects.

Compared to alternate alloys, Nimonic sheets deliver a combination of tensile strength (up to 1100 MPa), fatigue resistance, and oxidation resistance unmatched in high-temperature corrosive environments reducing operational risks and unplanned shutdowns.

High-quality Nimonic Sheets for Industrial Applications

High-quality Nimonic Sheets ready for industrial use.

Specification Overview

Supplier & ManufacturerAurico Alloys LLP
GradesNimonic 75, 80A, 81, 86, 90, 105 and 263
StandardsOne plate, sheet and strip specification per grade – listed in Equivalent Grades & Standards below. Inspection certificates to EN 10204.
Thickness Range0.2 mm – 4.75 mm
Width100 mm – 2500 mm
LengthCustom lengths available
FinishBright, annealed, polished, or vacuum degassed
DeliverySupplied from stock or arranged against order, depending on grade and size; availability and lead time confirmed at quotation. Full test report, batch traceability, export standards.
PriceINR 3,000 – 12,500 per kg. Indicative USD 35 – 147 per kg; quoted against grade, form, size and quantity.

Nimonic Sheet Grades Supplied

Each grade below has its own sheet page carrying that grade’s size range, properties and the specification written for it. Nimonic 115 and 901 are not made in this form; their own pages list the forms they are supplied in.

Nimonic grades supplied as sheet, and what each is chosen for
GradeChosen for
Nimonic 75 SheetsOxidation resistance with good formability and weldability
Nimonic 80A SheetsThe original turbine blade alloy; strength at temperature
Nimonic 81 SheetsResistance to high-temperature corrosion
Nimonic 86 SheetsMolybdenum-bearing, for strength without age hardening
Nimonic 90 SheetsCobalt added over the 80A base for higher creep strength
Nimonic 105 SheetsHigher operating temperature than 90
Nimonic 263 SheetsAge hardened but picked for weldability, so it suits sheet fabrications

Equivalent Grades & Standards

Nimonic 75

Equivalent designations and physical constants for Nimonic 75
PropertyValue
UNS numberN06075
Werkstoff / EN number2.4951 / 2.4630
Density8.37 g/cm3
Melting range1340-1380 °C
Specific heat (20 °C)461 J/kg·°C
Thermal conductivity (20 °C)11.7 W/m·°C
Electrical resistivity (20 °C)1.09 µΩ·m
Plate, sheet and strip specificationBS HR 203 / DIN 17750 / ISO 6208

Identifiers and physical constants for Nimonic 75. A dash means no such designation is published for this grade.

Nimonic 80A

Equivalent designations and physical constants for Nimonic 80A
PropertyValue
UNS numberN07080
Werkstoff / EN number2.4952 / 2.4631
EN designationNiCr20TiAl
Density8.19 g/cm3
Melting range1320-1365 °C
Mass susceptibility (at 1000 gauss)5.85 × 10⁻⁶
Volume susceptibility (at 1000 gauss)4.78 × 10⁻⁶
Magnetic permeability (for 200-2000 oersted)1.000601
Thermal conductivity (20 °C)11.2 W/m·°C
Electrical resistivity (20 °C)1.2 µΩ·m
Coefficient of expansion (20-100 °C)12.7 µm/m·°C
Plate, sheet and strip specificationBS HR 201 / AECMA PrEn 2191 / DIN EN 10302

Identifiers and physical constants for Nimonic 80A. A dash means no such designation is published for this grade.

Nimonic 81

Equivalent designations and physical constants for Nimonic 81
PropertyValue
UNS number—
Density8.06 g/cm3
Melting range1305-1375 °C
Specific heat (20 °C)461 J/kg·°C
Thermal conductivity (20 °C)10.9 W/m·°C
Electrical resistivity (20 °C)1.27 µΩ·m
Coefficient of expansion (20-100 °C - extruded and stretched bar)11.1 µm/m·°C
Coefficient of expansion (20-100 °C - cold rolled sheet)11.7 µm/m·°C
Dynamic modulus of elasticity (20 °C - extruded bar)196 GPa
Dynamic modulus of elasticity (20 °C - sheet)212 GPa
Modulus of rigidity (20 °C - dynamic torsional)80 GPa
Plate, sheet and strip specificationMill specification

Identifiers and physical constants for Nimonic 81. A dash means no such designation is published for this grade.

Nimonic 86

Equivalent designations and physical constants for Nimonic 86
PropertyValue
UNS number—
Density8.54 g/cm3
Young's modulus (20 °C - dynamic)210 GPa
Plate, sheet and strip specificationMill specification

Identifiers and physical constants for Nimonic 86. A dash means no such designation is published for this grade.

Nimonic 90

Equivalent designations and physical constants for Nimonic 90
PropertyValue
UNS numberN07090
Werkstoff / EN number2.4632 / 2.4969
EN designationNiCr20Co18Ti
Density8.18 g/cm3
Melting range1310-1370 °C
Specific heat (20 °C)446 J/kg·°C
Plate, sheet and strip specificationBS HR 202 / AECMA PrEN 2298

Identifiers and physical constants for Nimonic 90. A dash means no such designation is published for this grade.

Nimonic 105

Equivalent designations and physical constants for Nimonic 105
PropertyValue
UNS number—
Werkstoff / EN number2.4634
EN designation—
Density8.01 g/cm3
Melting range1290-1345 °C
Electrical resistivity (20 °C)131 µΩ·cm
Magnetic permeability (0.02 T - 0.2 T)1.000715
Plate, sheet and strip specificationBS HR 3

Identifiers and physical constants for Nimonic 105. A dash means no such designation is published for this grade.

Nimonic 263

Equivalent designations and physical constants for Nimonic 263
PropertyValue
UNS numberN07263
Werkstoff / EN number2.4650
Density8.36 g/cm3
Melting range1300-1355 °C
Specific heat461 J/kg·°C
Plate, sheet and strip specificationAMS 5872 / BS HR 206 / DIN 17750

Identifiers and physical constants for Nimonic 263. A dash means no such designation is published for this grade.

Stock & Product Availability

Aurico Alloys LLP stocks Nimonic sheets ready for immediate dispatch with the highest industry certifications, supporting needs of power plants, chemical processing units, and marine manufacturing.

Chemical Composition

Nimonic 75

Chemical composition limits for Nimonic 75
ElementMin (%)Max (%)
Nickel (Ni)—Balance
Chromium (Cr)18.021.0
Titanium (Ti)0.20.6
Carbon (C)0.080.15
Iron (Fe)—5.0
Manganese (Mn)—1.0
Silicon (Si)—1.0
Copper (Cu)—0.5

Composition limits for Nimonic 75. 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.

Nimonic 80A

Chemical composition limits for Nimonic 80A
ElementMin (%)Max (%)
Carbon (C)—0.10
Chromium (Cr)18.021.0
Silicon (Si)—1.0
Copper (Cu)—0.2
Iron (Fe)—3.0
Manganese (Mn)—1.0
Titanium (Ti)1.82.7
Aluminium (Al)1.01.8
Cobalt (Co)—2.0
Boron (B)—0.008
Zirconium (Zr)—0.15
Lead (Pb)—0.0025
Sulfur (S)—0.015
Nickel (Ni)—Balance

Composition limits for Nimonic 80A. 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.

Nimonic 81

Nominal chemical composition for Nimonic 81
ElementMin (%)Max (%)
Carbon (C)0.05 nominal
Silicon (Si)0.50 nominal
Copper (Cu)0.20 nominal
Iron (Fe)1.0 nominal
Manganese (Mn)0.50 nominal
Chromium (Cr)30.0 nominal
Titanium (Ti)1.8 nominal
Aluminium (Al)0.9 nominal
Cobalt (Co)2.0 nominal
Molybdenum (Mo)0.30 nominal
Boron (B)0.003 nominal
Zirconium (Zr)0.06 nominal
Sulfur (S)0.015 nominal
Nickel (Ni)—Balance

Nominal composition for Nimonic 81. These are nominal figures rather than acceptance limits, and they are not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.

Nimonic 86

Nominal chemical composition for Nimonic 86
ElementMin (%)Max (%)
Carbon (C)0.05 nominal
Chromium (Cr)25.0 nominal
Molybdenum (Mo)10.0 nominal
Magnesium (Mg)0.015 nominal
Cerium (Ce)0.03 nominal
Nickel (Ni)—Balance

Nominal composition for Nimonic 86. These are nominal figures rather than acceptance limits, and they are not measured values for a lot; the mill test certificate supplied with your order states the actual analysis.

Nimonic 90

Chemical composition limits for Nimonic 90
ElementMin (%)Max (%)
Carbon (C)—0.13
Silicon (Si)—1.0
Copper (Cu)—0.2
Iron (Fe)—1.5
Manganese (Mn)—1.0
Chromium (Cr)18.021.0
Titanium (Ti)2.03.0
Aluminium (Al)1.02.0
Cobalt (Co)15.021.0
Boron (B)—0.02
Sulfur (S)—0.015
Lead (Pb)—0.0020
Zirconium (Zr)—0.15
Nickel (Ni)—Balance

Composition limits for Nimonic 90. 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.

Nimonic 105

Chemical composition limits for Nimonic 105
ElementMin (%)Max (%)
Carbon (C)—0.17
Silicon (Si)—1.0
Copper (Cu)—0.2
Iron (Fe)—1.0
Manganese (Mn)—1.0
Chromium (Cr)14.015.7
Titanium (Ti)0.91.5
Aluminium (Al)4.54.9
Cobalt (Co)18.022.0
Molybdenum (Mo)4.55.5
Lead (Pb)—0.0015
Sulfur (S)—0.010
Boron (B)0.0030.010
Zirconium (Zr)—0.15
Nickel (Ni)—Balance

Composition limits for Nimonic 105. 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.

Nimonic 263

Chemical composition limits for Nimonic 263
ElementMin (%)Max (%)
Carbon (C)0.040.08
Silicon (Si)—0.40
Manganese (Mn)—0.60
Sulfur (S)—0.007
Silver (Ag)—0.0005
Aluminium (Al)—0.60
Boron (B)—0.005
Bismuth (Bi)—0.0001
Cobalt (Co)19.021.0
Chromium (Cr)19.021.0
Copper (Cu)—0.20
Iron (Fe)—0.7
Molybdenum (Mo)5.66.1
Lead (Pb)—0.0020
Titanium (Ti)1.92.4
Aluminium + Titanium (Al+Ti)2.42.8
Nickel (Ni)—Balance

Composition limits for Nimonic 263. 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

PropertyTypical Value
Tensile Strength (MPa)900 – 1100
Yield Strength, 0.2% (MPa)620 – 750
Elongation (%)20 – 30
Melting Temp (°C)1350 – 1450
Hardness (HRB)80 – 90

Applications & Benefits

  • Chemical: high-temp heat exchangers, acid-resistant vessel linings, catalytic reactor components
  • Marine: turbine blades, superheater tubing, components exposed to seawater corrosion
  • Oil & Gas: high-pressure gas turbine parts, exhaust systems, catalytic reactors
  • Pharma: sterilizers, high-temp reactors, and process vessels requiring ultraclean environments
  • Power: boilers, heat exchangers, turbine components requiring creep resistance at high temperature

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

Nimonic Sheets from Aurico Alloys LLP provide unparalleled performance with certified quality for high-temperature and corrosion-resistant applications in heavy industries. Are your critical components benefiting from the proven reliability of Nimonic technology?