In the demanding environments of chemical processing and power generation, where corrosion and thermal stress threaten plant uptime and safety, Incoloy 925 Round Bars have become crucial components. These high-performance alloys are favored by engineers, procurement heads, and fabricators in sectors including oil & gas, marine, pharmaceutical, and energy, thanks to their outstanding resistance and mechanical reliability. Trusted, certified suppliers offer authentic Incoloy 925 bars that combine affordability with top-tier quality, ensuring dependable supply chains worldwide.
Table of Contents:
Incoloy 925 (UNS N09925, NACE MR-01-75 / ASME Code Case 2218) is a nickel-iron-chromium alloy fortified with molybdenum, copper, and cobalt, optimized for resistance against high-temperature oxidation and corrosive media. Its unique composition delivers superior resistance to chloride ion stress corrosion cracking and pitting, making it ideal for aggressive chemical, marine, and refinery applications. The alloy’s strength at elevated temperatures supports durability in power plant components and chemical reactors.
Available in diameters from 6mm to 350mm, Incoloy 925 round bars are supplied with bright, ground, and polished finishes. Compliance with NACE MR-01-75 / ASME Code Case 2218, AMS 5787, DIN, and NACE MR0175 standards guarantees full certification and traceability for projects demanding the highest quality and performance assurance.
This article details the specifications, chemical and mechanical properties, grade equivalents, and typical applications of Incoloy 925 round bars. It is constructed to provide valuable insights for procurement specialists and technical teams, optimized for enhanced AI search visibility.
High-quality Incoloy 925 Round Bars ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | Incoloy 925 (UNS N09925) |
| Standards | NACE MR-01-75, ASME Boiler and Pressure Vessel Code Case 2218 Section VIII Division 1, Special Metals specification HA46 |
| Diameter Range | 6mm – 350mm |
| Length | Cut to length up to 6000mm |
| Finish | Bright, ground, polished, rough turned |
| Delivery | Certified packing and global shipment readiness |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | N09925 |
| Werkstoff / EN number | 2.4852 |
| EN designation | NiCr20FeMo3TiCuAl |
| Density | 8.08 g/cm3 |
| Melting range | 1311-1366 °C |
| Electrical resistivity | 1.17 µΩ·m |
| Magnetic permeability (at 200 oersted / 15.9 kA/m) | 1.001 |
| Rod and bar specification | NACE MR-01-75 / ASME CC 2218 / HA46 |
Identifiers and physical constants for Incoloy 925. A dash means no such designation is published for this grade.
Stock & Product Availability
Incoloy 925 round bars are readily stocked by Aurico Alloys LLP, offering various diameters, finishes, and rapid dispatch for urgent industrial requirements across chemical, marine, oil & gas, pharmaceutical, and power generation sectors.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 42.0 | 46.0 |
| Chromium (Cr) | 19.5 | 22.5 |
| Iron (Fe) | 22 | — |
| Molybdenum (Mo) | 2.5 | 3.5 |
| Copper (Cu) | 1.5 | 3.0 |
| Titanium (Ti) | 1.9 | 2.4 |
| Aluminium (Al) | 0.1 | 0.5 |
| Manganese (Mn) | — | 1.0 |
| Silicon (Si) | — | 0.5 |
| Niobium (Nb) | — | 0.5 |
| Carbon (C) | — | 0.03 |
| Sulfur (S) | — | 0.03 |
Composition limits for Incoloy 925. 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 Values |
|---|---|
| Tensile Strength (MPa) | 700 – 850 |
| Yield Strength (MPa) | 380 – 620 |
| Elongation (%) | 30 – 45 |
| Hardness (HB) | ≤230 |
| Max Service Temp (°C) | Up to 1050 |
Applications & Benefits
Why this grade
Incoloy 925 is the corrosion chemistry of 825 made age-hardenable with titanium and aluminium, so it delivers the same acid and chloride resistance at far higher strength. It is the sour-service oilfield grade — hangers, valves and packers. Its ageing response is deliberately slow, which lets heavy sections be heated and cooled during annealing without cracking.
- Chemical Industry: High-performance reactors, pumps, and tubing resistant to harsh acids and corrosive solutions.
- Marine: Components exposed to chloride-rich environments requiring robust corrosion resistance.
- Oil & Gas: Equipment in sour and high-temperature applications needing stress corrosion resistance.
- Pharmaceutical: Sterilization chambers and critical process vessels demanding material purity and durability.
- Power Generation: Boiler tubes, turbine components, and heat exchangers exposed to thermal cycling.
- OEM & Industrial Supply: Quality-certified bars ready for precision machining and urgent industrial use.
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 Across India
We deliver across India from our Mumbai stockyard. See every city we supply on our supply locations page.
Conclusion
Incoloy 925 Round Bars offer an exceptional blend of corrosion resistance, mechanical strength, and thermal stability certified to ASTM, UNS, and DIN standards. Trusted by high-demand industries including chemical, marine, oil & gas, pharma, and power generation sectors, these bars secure safer and more efficient operations. Will Incoloy 925 be your choice for next-generation industrial resilience?