Monel Plates | Trusted Corrosion Resistance for Chemical & Marine Industries
Persistent corrosion in seawater, sour gas, and harsh chemical environments demands materials that deliver reliable, long-term performance. For industries where failure is not an option, Monel Plates provide unmatched toughness and corrosion resistance. Aurico Alloys LLP proudly supplies these trusted plates to chemical, marine, oil & gas, pharmaceutical, and power sectors, helping engineers and procurement teams ensure safer, more efficient operations.
Table of Contents:
Why Monel Plates Are the Superior Choice
Monel (UNS N04400, ASTM B127) is a nickel-copper alloy known for its exceptional resistance to corrosion and high tensile strength. It withstands aggressive environments, including seawater, hydrofluoric acid, and alkalis, where many other alloys fail. Its unique balance of mechanical properties and corrosion resistance makes it irreplaceable for heat exchangers, piping, valves, and pumps.
The alloy resists stress corrosion cracking and biofouling in marine environments, extending equipment life and reducing maintenance costs. In chemical processing, Monel Plates tolerate harsh acid and saltwater exposure, outperforming conventional stainless steels and many nickel alloys.
Aurico Alloys LLP offers certified Monel Plates with full ASTM B127 testing and global certification compliance. Our inventory supports custom sizing and finishes to meet fabricators’ and OEMs’ exacting specifications, ensuring quality and timely delivery.
High-quality Monel Plates ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | 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 | 4.75 mm – 150 mm |
| Width Range | 10 mm – 2000 mm |
| Finish | Hot rolled, cold rolled, polished, annealed |
| Forms | Sheets, plates, coils |
| Certification | ASTM, ISO, NACE MR0175, RoHS, REACH |
| Price | INR 2,500 – 7,000 per kg. Indicative USD 29 – 82 per kg; quoted against grade, form, size and quantity. |
Monel Plate Grades Supplied
Each grade below has its own plate 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 Plates | The base alloy; seawater, hydrofluoric acid, brine |
| Monel K-500 Plates | 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 Alloys LLP stocks Monel Plates in a broad range of thicknesses and finishes, available for swift global delivery tailored to project specifications. Our product range supports chemical, marine, oil & gas, pharmaceutical, and power industry requirements, alongside complementary nickel alloys like Inconel 600, 617, and Hastelloy grades.
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 Properties
| Property | Typical Value |
|---|---|
| Tensile Strength (MPa) | 550 min |
| Yield Strength (MPa) | 240 min |
| Elongation (%) | 30 min |
| Max Service Temp (°C) | Up to 600 |
Applications & Benefits
- Seawater and saltwater handling equipment in marine industries
- Chemical process vessels, reactors, and heat exchangers
- Oil & Gas sour gas and acid gas handling components
- Pharmaceutical process equipment requiring high corrosion resistance
- Power generation boilers, condensers, and piping systems
FAQs & Insights
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
Aurico Alloys LLP’s Monel Plates deliver engineered reliability and corrosion resistance critical for the most aggressive industrial conditions. Are you ready to choose Aurico’s trusted Monel Plates for your next project and ensure superior performance where it matters most?