In the heart of an offshore oil platform battered by sour gas and relentless seawater, a critical turbine exhaust valve failed prematurely under extreme heat and stress, halting operations and costing millions in downtime. The fix? Switching to Nimonic 90 Round Bars (UNS N07090), a precipitation-hardenable nickel-chromium-cobalt superalloy that withstands 950°C with unmatched creep resistance and stress-rupture strength. Procurement heads, engineers, fabricators, OEMs, and hardware stores in chemical, oil & gas, marine, pharma, and power industries now rely on this proven material over lesser alloys like Inconel 718 or basic nickel grades for 30-50% longer service life in high-stress environments .
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Nimonic 90 surpasses common alternatives with gamma-prime precipitates from Ti and Al additions, delivering superior high-temperature performance where others creep or oxidize prematurely. AMS 5829 Nimonic 90 bars excel in aircraft gas turbine blades and discs, land-based turbine rotor components, and power plant steam turbine valve spindles, offering yield strengths up to 830 MPa and tensile up to 1300 MPa at room temperature .
Aurico Alloys LLP stands as a trusted supplier, manufacturer, and stockist of Nimonic 90 Round Bars, providing affordable, best-quality, authentic stock with full traceability for chemical, oil & gas, marine, pharma, power generation industries, and hardware/industrial supply stores. As Nimonic 90 round bar suppliers in Mumbai for aircraft gas turbine blades and discs, we ensure global exports with competitive Nimonic 90 bar price per kg in Mumbai .
High stress-rupture Alloy 90 round bars from Aurico Alloys LLP support UNS N07090 nickel alloy rods for power plant steam turbine valve spindles in India, corrosion resistant Nimonic 90 round bars for offshore platform turbine exhaust valves, and marine grade Alloy 90 bar stockist in Mumbai for subsea propulsion engine parts. Nimonic 90 round bar exporters in Mumbai serve global oilfield service companies with durable rods for high-pressure valves in sour gas environments and offshore flare tips .
High-quality Nimonic 90 Round Bars ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP - Nimonic 90 Round Bars supplier, stockist, exporter in India to abroad |
|---|---|
| Grade | Nimonic 90 (UNS N07090, DIN 2.4632) |
| Standards | AMS 5829, BS HR 2, HR 501/502/503, AECMA PrEN 2295, ISO 15156 |
| Diameter Range | 3mm – 800mm |
| Length | 100mm – 6000mm |
| Finish | Bright, polished, rough turned, black, centerless ground, cut to spec |
| Delivery | Stock, custom cut, full MTC EN 10204 3.1, RoHS, export packing |
| Price | INR 3,500 – 7,500 per kg. Indicative USD 41 – 88 per kg; quoted against grade, form, size and quantity. |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | N07090 |
| Werkstoff / EN number | 2.4632 / 2.4969 |
| EN designation | NiCr20Co18Ti |
| Density | 8.18 g/cm3 |
| Melting range | 1310-1370 °C |
| Specific heat (20 °C) | 446 J/kg·°C |
| Rod and bar specification | ASTM B637 / AMS 5829 / BS HR 2 / HR 501-503 |
Identifiers and physical constants for Nimonic 90. A dash means no such designation is published for this grade.
Stock & Product Availability
Aurico Alloys LLP stocks Nimonic 90 round bars in diameters 3–800mm, lengths up to 6000mm, ready for global shipment to process plants, offshore platforms, pharma reactors, energy turbines, and hardware needs. Custom cut-to-size Nimonic 90 rods for specialized industrial furnace hearth components and verified Nimonic 90 plate and bar exporters in India with MTC EN 10204 3.1 ensure quick delivery .
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Carbon (C) | — | 0.13 |
| Silicon (Si) | — | 1.0 |
| Copper (Cu) | — | 0.2 |
| Iron (Fe) | — | 1.5 |
| Manganese (Mn) | — | 1.0 |
| Chromium (Cr) | 18.0 | 21.0 |
| Titanium (Ti) | 2.0 | 3.0 |
| Aluminium (Al) | 1.0 | 2.0 |
| Cobalt (Co) | 15.0 | 21.0 |
| 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.
Mechanical & Physical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength (MPa, RT) | 1100–1300 |
| Yield Strength 0.2% (MPa, RT) | 700–830 |
| Elongation (%) | 20–30 |
| Hardness (HV) | 280–320 |
| Max Service Temp (°C) | Up to 950 |
| Modulus of Elasticity (GPa) | 220 |
Applications & Benefits
Why this grade
Nimonic 90 is 80A with roughly 16–20% cobalt added. The cobalt lifts useful service temperature by about 100°C over 80A, which is what makes it the grade for turbine blades and discs in the cooler stages, and for hot-working tooling — duty where 80A has run out of creep strength but the cost and difficulty of 105 or 115 is not justified.
- Aerospace: Nimonic 90 round bars for aircraft gas turbine blades, discs, high-temperature aerospace fasteners and bolts per AMS 5829 .
- Power Generation: High stress-rupture Alloy 90 round bars for land-based turbine rotor components, UNS N07090 rods for power plant steam turbine valve spindles .
- Oil & Gas / Marine: Corrosion resistant Nimonic 90 round bars for offshore platform turbine exhaust valves, marine grade Alloy 90 bar stockist in Mumbai for subsea propulsion; durable for sour gas valves, offshore flare tips .
- Chemical / Pharma: Nimonic 90 bars for chemical reactors requiring high-temperature strength; Nimonic 90 round bar stockholders in Maharashtra for pharmaceutical incineration systems .
- Superior to Nimonic 80A in creep resistance above 900°C for springs and fasteners; why choose Nimonic 90 over alternatives: 2x better rupture strength at 950°C .
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 90 Round Bars from Aurico Alloys LLP provide unmatched high-temperature resilience, machinability, and certification, enabling safer, longer-lasting assets in chemical reactors, offshore valves, marine propulsion, pharma systems, and power turbines where alternatives fail prematurely. Are your critical components ready for Nimonic 90 performance?