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MOKSH TUBES & FITTINGS LLP is a trusted global manufacturer, supplier, exporter, importer, and stockist of high quality INCOLOY 925 (UNS N09925) products. We offer a complete portfolio including Pipes & Tubes, Pipe Fittings, Flanges, Fasteners, Sheets & Plates, Coils, Wires, Round Bars, Flat Bars, Welding Rods, Wire Mesh, and nickel other Custom Fabricated Components crafted from this versatile alloy.
INCOLOY 925 is a precipitation-hardenable nickel iron chromium alloy engineered for superior strength and resistance in extreme environments. Enriched with molybdenum, copper, titanium, and aluminum, it delivers excellent protection against stress corrosion cracking, pitting, and crevice corrosion—especially in harsh sour gas (H2S) conditions. This alloy combines toughness with excellent mechanical properties, making it ideal for use in offshore oil platforms, deep wells, chemical processing systems, and marine applications.
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| Category | Details |
|---|---|
| Grade | INCOLOY® 925 / UNS N09925 |
| Type | Nickel-Iron-Cobalt Corrosion-Resistant Alloy |
| Typical Chemical Composition | Ni 42%, Fe 21%, Co 17%, Cr 9%, Mo 2.5%, Cu 1%, Ti 0.5%, C ≤ 0.05%, Mn ≤ 1%, Si ≤ 1% |
| Conditions | Annealed, Cold Drawn, Solution Treated |
| Heat Treatment | Annealing, Stress Relieving |
| Testing | Tensile, Hardness, Chemical, Corrosion, NDT on request |
| Certification | EN 10204 3.1 / 3.2 |
| Element | Composition (%) |
|---|---|
| Nickel (Ni) | 42.0 – 46.0 |
| Chromium (Cr) | 19.5 – 23.5 |
| Iron (Fe) | Balance |
| Molybdenum (Mo) | 2.5 – 3.5 |
| Copper (Cu) | 1.5 – 3.0 |
| Titanium (Ti) | 1.9 – 2.4 |
| Aluminum (Al) | 0.1 – 0.5 |
| Manganese (Mn) | 1.0 max |
| Silicon (Si) | 0.5 max |
| Carbon (C) | 0.03 max |
| Sulfur (S) | 0.01 max |
| Property | Imperial Units | Metric Units |
|---|---|---|
| Density | 0.292 lb/in³ | 8.08 g/cm³ |
| Melting Range | 2392–2490 °F | 1311–1366 °C |
| Electrical Resistivity | 701 ohm·cir mil/ft | 1.17 µΩ·m |
| Magnetic Permeability | 1.001 | — |
| Heat Treatment Process | Temperature Range | Cooling / Procedure |
|---|---|---|
| Annealing | 1050–1150°C | Furnace cool slowly |
| Solution Treatment | 1050–1100°C | Water quench |
| Stress Relieving | 650–750°C | Hold 1–2 hours, air cool |
| Cold Working / Hardening | 600–700°C | Air cool |
| Property | Typical Values |
|---|---|
| Tensile Strength | 685 – 1189 MPa |
| Yield Strength (0.2%) | 271 – 832 MPa |
| Elongation | 18 – 56% |
| Reduction of Area | 25 – 76% |
| Impact Strength | 35 ft·lbf (4.85 kgf·m) |
| Hardness | Rockwell B to C (26–38 HRC) |
| Standard | Equivalent Grade |
|---|---|
| UNS | N09925 |
| DIN (W.Nr) | 2.4856 |
| ASTM | B443, B444, B446 |
| EN | NiFeCoCrMo Alloy |
| BS | NA 25 |
| JIS | SUS 925 |
| GOST | ХН60ВМФ |
INCOLOY 925 , is designated as UNS N09925. Designations and specifications for the product include NACE MR-01-75, ASME Boiler and Pressure Vessel Code Case 2218 Section VIII Division 1, and Special Metals Corporation internal specification HA 46. Alloy 925 is available as tube, round bar, flat bar and forging stock.
This alloy meets several recognized industry standards, including:
INCOLOY 925 is widely utilized in severe service environments where corrosion, pressure, and temperature are constant challenges. Key applications include:
Used in heat exchangers, evaporators, tanks, and piping systems handling acidic and chloride-rich fluids.
Downhole tubing, wellhead components, hangers, valves, and other sour gas service equipment
Seawater handling, pump shafts, fasteners, and heat exchanger tubing
Components exposed to strong acids and chloride-rich environments
Turbine components and piping exposed to aggressive cooling water and condensate
Applications requiring high strength, corrosion resistance, and dimensional stability
Tubes and components in saltwater processing and filtration systems
INCOLOY 925’s versatility, strength, and exceptional corrosion resistance make it an ideal choice for mission-critical operations.
Typical Range: ₹1,200 – ₹2,000 per kg
(Price varies by OD, wall thickness, form, and finish)
Contact us for exact quotation based on size and quantity.
Incoloy 925 (UNS N09925) is a precipitation-hardenable nickel iron chromium alloy enhanced with molybdenum, copper, titanium, and aluminum. It is designed to deliver exceptional resistance to stress corrosion cracking, pitting, and crevice corrosion, particularly in sour gas (H2S) environments. With a balance of high strength and corrosion resistance, Incoloy 925 is a preferred material for demanding industries such as oil and gas, chemical processing, power generation, and marine engineering.
Incoloy 925 offers a unique combination of mechanical strength and corrosion resistance, performing reliably under extreme pressures and high temperatures. It provides outstanding resistance to chloride-induced stress corrosion cracking and maintains durability in aggressive sour gas and seawater environments. Along with its superior toughness, the alloy offers good weldability, formability, and long service life, making it ideal for harsh industrial applications.
Incoloy 925 is widely used in industries that demand both strength and corrosion resistance. In the oil and gas sector, it is utilized for downhole tubing, hangers, valves, and other sour service equipment. In chemical processing, it is found in heat exchangers, tanks, and piping systems exposed to acidic and chloride rich fluids. It is also deployed in marine engineering for seawater handling equipment, in desalination plants for saltwater filtration systems, and in power generation for turbine and piping components.
MOKSH TUBES & FITTINGS LLP manufactures and supplies Incoloy 925 in a comprehensive range of forms, including seamless and welded pipes, tubes, sheets, plates, coils, bars, welding rods, wire mesh, flanges, fasteners, pipe fittings, and custom-fabricated components. All products are crafted to meet international standards such as NACE MR-01-75 and ASME specifications, ensuring quality and reliability in mission critical operations.
MOKSH TUBES & FITTINGS LLP is a trusted global supplier of Incoloy 925 materials, with expertise in manufacturing precision engineered products for industries such as oil and gas, chemical processing, and marine applications. By sourcing premium grade raw materials, offering fast turnaround times, and providing custom fabrication support, the company ensures superior product performance and customer satisfaction. Their strong quality assurance and global track record make them a reliable partner for Incoloy 925 solutions.
Moksh Tubes & Fittings LLP Your trusted partner for high-performance alloy solutions.
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