Monel Products Supplier, Stockist & Exporter in India
Monel products use nickel-copper alloys selected for corrosion resistance, strength and toughness in demanding marine and chemical-process service. Grade selection depends on the medium, aeration, temperature, mechanical load and the applicable product specification.
Aashish Metal & Alloys supplies Monel products in Monel 400 (UNS N04400) and Monel K500 (UNS N05500) across a wide range of product forms, including pipes, tubes, sheets, plates, round bars, rods, buttweld fittings, forged fittings, flanges, and fasteners. Monel 400 is widely used where corrosion resistance and toughness are the primary requirements, while Monel K500 provides higher strength through age hardening for applications such as pump shafts, valve components, and marine equipment.
Orders can be supplied with EN 10204 3.1 Mill Test Certificates and heat-number traceability. PMI, EN 10204 3.2 documentation and third-party inspection can be arranged when specified in the purchase order.
Whether you require Monel 400 for corrosion-resistant process equipment or Monel K500 for high-strength marine and industrial components, our team can help identify the appropriate grade and product form based on your application, operating conditions, and applicable specifications.
Monel Products List
Fasteners
Tube Fittings
Manifold Valves
Ball Valves
Needle Valve
Pipe & Tubes
Pipe Fittings
Threaded Fittings
Socket weld Fittings
Sheets & Plates
Round Bars
Technical Data
Monel Product Forms and Grades
Monel products are organised by product form and grade so buyers can match the bill of materials to the correct UNS designation, product standard and required condition.
| Product form | What we supply | Common grades |
|---|---|---|
| Pipes & Tubes | Seamless and welded, for HF-acid and reducing-acid process lines | Monel 400 |
| Sheets, Plates & Coils | Hot-rolled, cold-rolled and polished finishes for fabrication | Monel 400 |
| Round Bars & Rods | Machining stock for valve, pump and shaft components | Monel 400, K500 |
| Buttweld Fittings | Elbows, tees, reducers, stub ends and caps | Monel 400 |
| Forged Fittings | Socket-weld and threaded fittings for small-bore piping | Monel 400 |
| Flanges | Weld-neck, slip-on and blind flanges | Monel 400; K500 only to confirmed project specification |
| Fasteners | Bolts, nuts, stud bolts and washers | Monel 400, K500 |
| Instrumentation Valves & Tube Fittings | Needle, ball and manifold valves with compression fittings | Monel 400, K500 |
Monel Product Standards & Sizes
Monel 400 and Monel K500 do not share one universal product standard. Use the standard that matches both the alloy and product form: ASTM B165 for seamless N04400 pipe/tube, ASTM B725 for welded N04400 pipe, ASTM B730 for welded N04400 tube, and ASTM B865 for N05500 bar/rod/wire/forgings.
| Standard | Product form | Grade / UNS | Aashish supply note |
|---|---|---|---|
| ASTM B127 / ASME SB127 | Sheet, plate & strip | Monel 400 / N04400 | Stock range to be confirmed before publishing |
| ASTM B164 / ASME SB164 | Bar, rod & wire | Monel 400 / N04400 | Stock range to be confirmed before publishing |
| ASTM B865 | Bar, rod, wire, forgings & forging stock | Monel K500 / N05500 | Use condition/heat treatment specified on the order; stock range to be confirmed |
| ASTM B165 / ASME SB165 | Seamless pipe & tube | Monel 400 / N04400 | Cold-worked seamless product; confirm Aashish size/schedule range |
| ASTM B725 / ASME SB725 | Welded pipe | Monel 400 / N04400 | Welded/annealed or stress-relieved pipe; confirm stock range |
| ASTM B730 / ASME SB730 | Welded tube | Monel 400 / N04400 | Welded/annealed or stress-relieved tube; confirm stock range |
| ASTM B163 / ASME SB163 | Condenser & heat-exchanger tube | Monel 400 / N04400 | Confirm OD/wall/length range before publishing |
| ASTM B366/B366M / ASME SB366 | Wrought pressure-piping fittings | Monel 400 / N04400 | Select fitting class, dimensions and NDE to the order specification |
| ASTM B564 / ASME SB564 | Forgings / forged flanges | Monel 400 / N04400 | Confirm flange size/class range before publishing |
| ASTM F468 / ASTM F467 | Bolts, screws & studs / nuts | N04400 / N05500 where specified | General-use nonferrous fasteners; confirm size, condition and project requirement |
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Chemical Composition of Monel Products
Monel 400 (UNS N04400) is a solid-solution nickel-copper alloy strengthened primarily by cold work. Monel K500 (UNS N05500) adds aluminium and titanium, allowing precipitation/age hardening to produce much higher strength while retaining broadly similar corrosion resistance.
| Element | Monel 400 (%) | Monel K500 (%) |
|---|---|---|
| Nickel (Ni) | 63 min | 63 min |
| Copper (Cu) | 28 – 34 | 27 – 33 |
| Iron (Fe) | 2.5 max | 2.0 max |
| Carbon (C) | 0.30 max | 0.25 max |
| Manganese (Mn) | 2.0 max | 1.5 max |
| Silicon (Si) | 0.5 max | 0.5 max |
| Sulphur (S) | 0.024 max | 0.010 max |
| Aluminium (Al) | – | 2.30 – 3.15 |
| Titanium (Ti) | – | 0.35 – 0.85 |
Mechanical Properties of Monel Products
Typical room-temperature mechanical properties vary by product form and condition. The table below compares representative Monel 400 annealed properties with Monel K500 in an age-hardened condition; the governing ASTM specification and Mill Test Certificate take precedence.
| Property | Monel 400 (Annealed) | Monel K500 (Age-Hardened) |
|---|---|---|
| Tensile strength | 480 – 620 MPa | 965 – 1100 MPa |
| Yield strength (0.2%) | 170 – 345 MPa | 655 – 790 MPa |
| Elongation | 35% – 60% | 20% – 30% |
| Hardness | 110 – 150 HB | 250 – 350 HB |
Cold-worked and stress-relieved conditions raise tensile and yield figures further at the cost of ductility; exact values depend on form and heat treatment — confirm required condition at enquiry stage.
Physical Properties of Monel 400 & K500
| Property | Monel 400 | Monel K500 |
|---|---|---|
| Density | 8.80 g/cm³ | 8.44 g/cm³ |
| Melting range | 1300 – 1350 °C | 1315 – 1350 °C |
| Electrical resistivity | ~0.547 µΩ·m | ~0.615 µΩ·m |
| Thermal conductivity | ~21.8 W/m·K | ~17.5 W/m·K |
| Magnetic properties | Curie temperature is near ambient (~20–50 °C); some heats can be magnetic at room temperature | Very low permeability; essentially non-magnetic to about −100 °C |
| Poisson's ratio | 0.32 | 0.32 |
Monel Equivalent Standards & Related Grades
| Standard / designation | Monel 400 | Monel K500 |
|---|---|---|
| UNS | N04400 | N05500 |
| Werkstoffnummer (WNR) | 2.4360 / 2.4361 | 2.4375 |
| British Standard (BS) | NA 13 | NA 18 |
| AFNOR | NU-30M | NU-30AT |
| EN designation | NiCu30Fe | NiCu30Al |
Beyond 400 and K500, the family includes Monel 401 and 404 for specialised electrical/electronic uses and Monel R-405 (UNS N04405), a free-machining version of 400 with controlled sulphur for screw-machine parts. These grades should be listed only when available on enquiry.
Monel 400 vs Monel K500: Which Grade to Specify
| Attribute | Monel 400 (N04400) | Monel K500 (N05500) |
|---|---|---|
| Best for | General HF-acid, reducing-acid and seawater corrosion service | High-strength parts needing corrosion resistance plus load-bearing capacity |
| Hardenable? | No — strengthened only by cold work | Yes — age-hardened via aluminium and titanium additions |
| Typical use | Pipes, valves, pumps, heat exchangers | Pump shafts, propeller shafts, valve stems, high-strength fasteners |
| Relative strength | Baseline | Roughly 2 – 3× the yield strength of 400 |
| Relative cost | Lower | Higher |
| Weldability | Good | Weldable; post-weld heat treatment/ageing may be required where the design needs restored K500 strength |
Monel Products Applications
| Industry | Typical Monel use |
|---|---|
| Oil & Gas / Refining | HF alkylation unit piping and valves, offshore drilling components, sour-service parts (NACE MR0175) |
| Marine & Offshore | Seawater piping, pump shafts, propeller shafts, valve trim resistant to biofouling and erosion |
| Chemical Processing | Vessels, reactors and heat exchangers handling hydrofluoric, sulphuric and hydrochloric acid under reducing conditions |
| Power Generation | Feedwater heater tubing and components for nuclear and conventional plants |
| Aerospace | K500 springs, fasteners and non-magnetic components where high strength and corrosion resistance are required |
| Instrumentation & Process Control | Needle, ball and manifold valves with compression fittings for corrosive impulse lines |
Monel vs Stainless Steel: When to Specify Monel
Monel is not a general-purpose replacement for stainless steel. Monel 400 is widely used in seawater and in selected reducing chemical environments, including hydrofluoric, sulphuric and hydrochloric-acid service under suitable concentration, temperature and aeration conditions. Its corrosion behaviour changes when oxidising species or aeration increase, so material selection should be based on the actual process chemistry rather than alloy name alone. For an enquiry, provide the medium, concentration, temperature, aeration/oxidising conditions and flow velocity so the grade and product form can be checked against the service requirement.
Both grades are stocked as round bars, pipes and tubes, fittings, fasteners and sheets, and the wider nickel alloy range carries the neighbouring families.
Quality, Certification & Traceability
Orders can be supplied with EN 10204 3.1 Mill Test Certificates and heat-number traceability, with PMI, EN 10204 3.2 and third-party witness inspection arranged when specified. MONEL® is a trademark of the Special Metals Corporation group; using UNS N04400 for alloy 400 and UNS N05500 for alloy K500 keeps the material requirement clear across approved mills. Sour-service suitability must be ordered and verified against NACE MR0175 / ISO 15156 and the project conditions rather than assumed from alloy name alone.
Standards referenced: ASTM B127, B163, B164, B165, B366/B366M, B564, B725, B730 and B865; ASTM F467/F468 where applicable to nonferrous fasteners; ASME SB equivalents where published; EN 10204 3.1/3.2 documentation; NACE MR0175 / ISO 15156 where specified for sour service.
Monel Products Price & HSN Codes
Monel is generally quoted per kilogram, with the rate influenced by alloy grade, product form, dimensions, condition/heat treatment, quantity, testing/certification and current nickel/copper market inputs. K500 typically carries additional processing cost because its higher strength depends on age hardening. Send the grade or UNS number, product form, size and quantity for a current quotation.
HSN / HS heading reference:
- 7505 — Nickel alloy bars, rods, profiles and wire
- 7506 — Nickel alloy plates, sheets, strip and foil
- 7507 — Nickel alloy tubes, pipes and tube/pipe fittings
- 7508 — Other articles of nickel alloy; use only when the product is not more specifically classified elsewhere
HSN classification depends on the exact product form, condition and transaction. Confirm the applicable code with the compliance/GST/customs team before filing.
FAQs About Monel Products
Monel is used in marine, chemical processing, oil and gas, and industrial applications requiring good corrosion resistance and mechanical strength. Common products include pipes, tubes, fittings, flanges, shafts, fasteners, sheets, and plates.
Monel is relatively expensive because it contains a high proportion of nickel and copper, which are costly alloying elements. Its specialized corrosion resistance, strength, and performance in demanding environments also contribute to its higher price.
Monel is not universally better than stainless steel; the suitable material depends on the application and service conditions. Monel can provide advantages in certain corrosive environments, while stainless steel may be more economical and suitable for many general-purpose applications.
Monel is a nickel-copper alloy containing nickel as its primary element along with copper and smaller amounts of other elements. Monel 400 and Monel K500 are two commonly specified grades.
Monel price per kilogram varies with grade, product form, dimensions, condition, quantity, testing/certification and current nickel/copper market inputs. Send Aashish Metal & Alloys the grade, product form, size and quantity for a current quotation.
Monel 400 is a solid-solution nickel-copper alloy strengthened mainly by cold work. Monel K500 adds aluminium and titanium, allowing age hardening to produce much higher strength while retaining broadly similar corrosion resistance. Monel 400 is widely used for process piping and corrosion-resistant equipment; K500 is commonly selected for shafts, valve stems and high-strength fasteners.
Monel 400 has a Curie temperature close to room temperature, so magnetic response can vary with composition and temperature. Monel K500 has very low magnetic permeability and is essentially non-magnetic to about −100°C.
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