On a Arabian Sea drilling platform, seawater corrosion devoured stainless seals in heat exchangers within months, spiking repair costs amid rough monsoons. Engineers deployed Monel® 400 foil (UNS N04400) gaskets, achieving flawless service for 5+ years with corrosion rates <0.01mm/yr demonstrating why procurement pros in marine, oil & gas, chemical, pharma, and power favor Monel foil over stainless or copper-nickel for unparalleled hydrofluoric acid, brine, and atmospheric resistance .
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Monel® foils, mainly 400 (UNS N04400, ASTM B127) and K-500 (UNS N05500), provide thin-gauge (0.05mm-1mm) nickel-copper armor excelling in reducing acids (HF up to boiling), flowing seawater (no pitting), and alkalis surpassing SS316 (0.5mm/yr erosion in brine) and Inconel 625 (costlier for non-oxidizing media) with 67% Ni for non-magnetic, weldable performance . Age-hardened K-500 boosts strength 2x for subsea tools .
Ideal for gaskets, diaphragms, cladding these foils resist stress corrosion in stagnant/flowing seawater, enabling lighter designs that slash weight 15-25% in shipbuilding . Fabricators appreciate easy forming and ASME code compliance .
Aurico Alloys LLP offers affordable, best quality, authentic Monel® Foil as trusted supplier, manufacturer, stockist supporting chemical, oil & gas, marine, pharma, power sectors, and hardware stores with certified supply India to abroad .
High-quality Monel® Foil ready for industrial use.
Specification Overview
| Supplier & Exporter | Aurico Alloys LLP - Monel foil supplier stockist India abroad |
|---|---|
| Grades | Monel 400 and K-500 |
| Standards | One plate, sheet and strip specification per grade – listed in Equivalent Grades & Standards below. Inspection certificates to EN 10204. |
| Thickness Range | 0.05mm – 1mm (thin gauge Monel foil) |
| Width/Length | Up to 1000mm width, coils/cut |
| Finish | Bright annealed, foil, strip |
| Delivery | Stock, MTC EN 10204 3.1, export ready |
| Price | INR 2,500 – 7,500 per kg. Indicative USD 29 – 88 per kg; quoted against grade, form, size and quantity. |
Monel Foil Grades Supplied
Each grade below has its own foil page carrying that grade’s size range, properties and the specification written for it. Monel 405 is not made in this form; its own pages list the forms it is supplied in.
| Grade | Chosen for |
|---|---|
| Monel 400 Foil | The base alloy; seawater, hydrofluoric acid, brine |
| Monel K-500 Foil | Aluminium and titanium added for strength, same corrosion behaviour |
Equivalent Grades & Standards
Monel 400
| Property | Value |
|---|---|
| UNS number | N04400 |
| Werkstoff / EN number | 2.4360 / 2.4361 |
| Density | 8.80 g/cm3 |
| Melting range | 1300-1350 °C |
| Modulus of elasticity (tension) | 26.0 × 10³ ksi |
| Modulus of elasticity (compression) | 26.0 × 10³ ksi |
| Modulus of elasticity (torsion) | 9.5 × 10³ ksi |
| Poisson's ratio | 0.32 |
| Curie temperature | 21-49 °C |
| Plate, sheet and strip specification | ASTM B127 / AMS 4544 |
Identifiers and physical constants for Monel 400. A dash means no such designation is published for this grade.
Monel K-500
| Property | Value |
|---|---|
| UNS number | N05500 |
| Werkstoff / EN number | 2.4375 |
| Density | 8.44 g/cm3 |
| Melting range | 1315-1350 °C |
| Modulus of elasticity (tension) | 26.0 × 10³ ksi |
| Modulus of elasticity (torsion) | 9.5 × 10³ ksi |
| Poisson's ratio (aged material at room temperature) | 0.32 |
| Plate, sheet and strip specification | QQ-N-286 |
Identifiers and physical constants for Monel K-500. A dash means no such designation is published for this grade.
Stock & Product Availability
Aurico stocks Monel 400 foil for marine gaskets, K-500 for fasteners; UNS N04400 Monel foil price per kg Mumbai competitive. Verified stockholders Maharashtra with MTC for global desalination/shipyards .
Chemical Composition
Monel 400
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 63.0 | — |
| Carbon (C) | — | 0.3 |
| Manganese (Mn) | — | 2.0 |
| Iron (Fe) | — | 2.5 |
| Sulfur (S) | — | 0.024 |
| Silicon (Si) | — | 0.5 |
| Copper (Cu) | 28.0 | 34.0 |
Composition limits for Monel 400. 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.
Monel K-500
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 63.0 | — |
| Carbon (C) | — | 0.25 |
| Manganese (Mn) | — | 1.5 |
| Iron (Fe) | — | 2.0 |
| Sulfur (S) | — | 0.01 |
| Silicon (Si) | — | 0.5 |
| Copper (Cu) | 27.0 | 33.0 |
| Aluminium (Al) | 2.30 | 3.15 |
| Titanium (Ti) | 0.35 | 0.85 |
Composition limits for Monel K-500. 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 | Monel 400 (Annealed) | Monel K-500 (Age-Hardened) |
|---|---|---|
| Tensile Strength (MPa) | ≥485 | ≥896 |
| Yield Strength 0.2% (MPa) | ≥195 | ≥345 |
| Elongation (%) | ≥35 | ≥20 |
| Hardness (HB) | ≤220 | 27-35 HRC |
Applications & Benefits
Monel® foils beat Inconel 625 in marine atmospheres (no crevice corrosion in stagnant seawater), cost-effective for HF/brine .
- Marine: Monel 400 foil supplier Mumbai heat exchanger gaskets/seals; seawater resistant offshore instrumentation .
- Oil & Gas: UNS N04400 foil ship propeller cladding; Monel K-500 non-magnetic subsea tools .
- Chemical: Hydrofluoric acid resistant Monel foil alkylation units; chemical gaskets high-temp brine .
- Pharma/Petro: Monel foil stockist Mumbai reactors/piping .
- Power: Alloy 400 foil heat exchangers/feedwater tubing .
- Specialty: Thin gauge Monel foil 0.05-1mm valve diaphragms; custom cut refinery protection; ASTM B127 exporters desalination .
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
Monel® Foil from Aurico Alloys LLP guarantees legendary seawater/acid resilience, machinability, and value optimizing uptime in corrosive realms . Ready to fortify your operations with proven Monel foil?