In the heart of an offshore oil platform battered by relentless saltwater and scorching turbine exhaust, a critical flare tip failed prematurely, halting operations and costing millions in downtime. The fix? Nimonic 263 Plates (UNS N07263), a high-ductility superalloy that outlasted alternatives like Waspaloy by delivering superior weld integrity and thermal fatigue resistance at 900°C. Procurement heads and engineers turned to trusted stockists like Aurico Alloys LLP, securing affordable, MTC-certified plates that restored uptime and slashed lifecycle costs across marine, oil & gas, and power sectors.
Table of Contents:
Nimonic 263 plates stand out as the go-to for chemical, oil & gas, marine, pharma, and power generation industries demanding high-temperature performance beyond standard nickel alloys. Unlike brittle options failing under stress corrosion or creep, this age-hardenable Ni-Cr-Co-Mo alloy (AMS 5872) offers exceptional formability, welding ease, and ductility up to 39% elongation making it ideal for complex fabrications like gas turbine rings, casings, and aircraft engine exhaust ducts.
Why choose Nimonic 263 plates over common substitutes? Compared to Waspaloy, Nimonic 263 provides better intermediate-temperature ductility and easier welding without strain-age cracking, reducing fabrication time by 20-30% for OEMs and fabricators. In oil refineries, its corrosion resistance handles waste heat recovery units in sour service, while marine-grade plates endure offshore platform turbine hot-sections and subsea propulsion components.
Aurico Alloys LLP, a verified Nimonic 263 plate supplier, stockist, and exporter in India to abroad, delivers affordable, best-quality, authentic plates from Mumbai. With full EN 10204 3.1 MTC, RoHS compliance, and custom cuts, they support hardware stores, industrial suppliers, and engineers in chemical reactors, pharma incinerators, and power heat exchangers.
High-quality Nimonic 263 Plates ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP – Nimonic 263 Plates Supplier, Stockist, Exporter India |
|---|---|
| Grade | Nimonic 263 (UNS N07263, W. Nr. 2.4650) |
| Standards | AMS 5872, BS HR 206, AECMA PrEn 2203 & 2418, DIN 17750 |
| Thickness Range | 4.75 mm – 150 mm |
| Width/Length | 1000mm – 3000mm width; 2500mm – 12500mm length |
| Finish | Hot-rolled, cold-rolled, annealed, precipitation hardened, cut-to-spec |
| Delivery | Stock, custom fab, MTC EN 10204 3.1, global export pack |
| Price | INR 1,200 – 7,500 per kg. Indicative USD 14 – 88 per kg; quoted against grade, form, size and quantity. |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | N07263 |
| Werkstoff / EN number | 2.4650 |
| Density | 8.36 g/cm3 |
| Melting range | 1300-1355 °C |
| Specific heat | 461 J/kg·°C |
| Plate, sheet and strip specification | AMS 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 263 plates as trusted Mumbai stockists for gas turbine rings and casings. Available 4.75-150mm thick, custom cut for chemical plant heat exchangers, offshore flare tips, and high-heat pharma systems. Nimonic 263 plate exporters in Mumbai serve global oilfield companies with verified MTC EN 10204 3.1 certification.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | 0.04 | 0.08 |
| 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) | 19.0 | 21.0 |
| Chromium (Cr) | 19.0 | 21.0 |
| Copper (Cu) | — | 0.20 |
| Iron (Fe) | — | 0.7 |
| Molybdenum (Mo) | 5.6 | 6.1 |
| Lead (Pb) | — | 0.0020 |
| Titanium (Ti) | 1.9 | 2.4 |
| Aluminium + Titanium (Al+Ti) | 2.4 | 2.8 |
| 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
| Property | Typical Value (Precipitation Hardened) |
|---|---|
| Tensile Strength (MPa) | 940 |
| Yield Strength 0.2% (MPa) | 550 |
| Elongation (%) | 39 |
| Hardness (HRC) | 28 |
| Max Service Temp (°C) | Up to 900 |
| Thermal Expansion (20-500°C, µm/m°C) | 13.6 |
Applications & Benefits
Why this grade
Nimonic 263 is the one grade in the range designed to be welded. Its aluminium plus titanium content is deliberately held below that of 105 and 115, so a fabricated assembly can be aged without cracking while still carrying useful strength to about 900°C. That is why combustion liners, transition pieces, casings and exhaust rings — anything built up from sheet and welded — are specified in 263 rather than in a stronger grade.
- Aerospace: AMS 5872 Nimonic 263 plates for aircraft engine exhaust ducts, transition liners, high-stress sheet fabrications.
- Power/Oil & Gas: High-ductility Alloy 263 plates for welded assemblies in land-based turbines, low-temperature combustors, seals; corrosion-resistant for oil refinery waste heat recovery, offshore flare tips.
- Marine: Marine grade Nimonic 263 plates for offshore platform turbine hot-sections, subsea propulsion components.
- Chemical & Pharma: Nimonic 263 plates for chemical reactors requiring high-temperature weld integrity, durable pharma high-heat incineration, custom cut for heat exchangers.
- Why Superior: Nimonic 263 vs Waspaloy easier fabrication/welding, better ductility for OEMs/hardware stores.
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
Nimonic 263 plates from Aurico Alloys LLP empower procurement heads, engineers, fabricators, OEMs, and hardware stores with unmatched high-temp resilience, weldability, and value proven in gas turbines, offshore rigs, chemical plants, and beyond. Are your critical hot-section components ready for Nimonic 263 performance?