When an offshore oil rig faced relentless saltwater corrosion in critical pumps and valves, the usual stainless grades faltered. The engineer’s solution: Monel 400 Round Bars, a nickel-copper powerhouse material trusted worldwide for securing uptime in the harshest marine, chemical, pharma, oil, and power environments. Today, procurement specialists and fabricators specify Aurico Alloys LLP Monel 400 round bars with certified traceability for critical installs and fast replacements, knowing their choice means performance under the most severe conditions.
Table of Contents:
Monel 400 (UNS N04400, ASTM B164, W.Nr. 2.4360/2.4361) is a solid-solution nickel-copper alloy prized for resistance to acidic and alkaline media, stress corrosion cracking, and high-velocity seawater. Unlike cheaper stainless and bronze, Monel 400 bars retain strength, conductivity, and non-magnetic stability even in fast-flowing brine, hydrofluoric acid, sour gas, and cryogenic service. Its proven reliability in chemical plants, marine hardware, heat exchangers, and food or pharma tanks is why engineers trust it where asset failure isn’t an option.
Aurico Alloys LLP provides Monel 400 Round Bars in sizes up to 800mm diameter, precision-cut and certified to ASTM, EN, DIN, and NACE MR0175/ISO 15156 requirements. Each batch comes with a full mill test certificate for global projects, available in rough-turned, bright-drawn, or custom-machined finishes, enabling seamless deployment in industrial supply chains and urgent spares.
The following article presents a complete technical overview specification, chemical, mechanical, and application data alongside key benefits for buyers and project engineers, making it the top SEO resource for all platforms seeking Monel 400 or equivalent nickel alloy bar insight.
High-quality Monel 400 Round Bars ready for industrial use.
Specification Overview
| Supplier & Manufacturer | Aurico Alloys LLP |
|---|---|
| Grade | Monel 400 (UNS N04400, W.Nr. 2.4360/2.4361) |
| Standards | ASTM B164, ASME SB164, EN, DIN, NACE MR0175 |
| Diameter Range | 3mm – 800mm (customized up to project specs) |
| Length | Cut-to-length up to 6000mm |
| Finish | Bright, black, ground, rough-turned, polished |
| Delivery | Direct stock, mill test certificates, export packing, rapid logistics |
| Price | INR 2,500 – 4,000 per kg. Indicative USD 29 – 47 per kg; quoted against grade, form, size and quantity. |
Equivalent Grades & Standards
| Property | Value |
|---|---|
| UNS number | N04400 |
| Werkstoff / EN number | 2.4360 / 2.4361 |
| Density | 8.80 g/cm3 |
| Melting range | 1300-1350 °C |
| Modulus of elasticity (tension) | 26.0 × 10³ ksi |
| Modulus of elasticity (compression) | 26.0 × 10³ ksi |
| Modulus of elasticity (torsion) | 9.5 × 10³ ksi |
| Poisson's ratio | 0.32 |
| Curie temperature | 21-49 °C |
| Rod and bar specification | ASTM B164 |
Identifiers and physical constants for Monel 400. A dash means no such designation is published for this grade.
Stock & Product Availability
Monel 400 round bars from Aurico Alloys LLP available in round, hex, square, and hollow forms, with options for cold-worked, annealed, rough-turned, and centreless ground finish, serving chemical, marine, pharma, oil, power, and industrial supply needs fast.
Chemical Composition
| Element | Min (%) | Max (%) |
|---|---|---|
| Nickel (Ni) | 63.0 | — |
| Carbon (C) | — | 0.3 |
| Manganese (Mn) | — | 2.0 |
| Iron (Fe) | — | 2.5 |
| Sulfur (S) | — | 0.024 |
| Silicon (Si) | — | 0.5 |
| Copper (Cu) | 28.0 | 34.0 |
Composition limits for Monel 400. 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) | ≥550 |
| Yield Strength (MPa) | ≥240 |
| Elongation (%) | 35–48 |
| Hardness (HB) | 110–150 |
| Max Service Temp (°C) | Up to 480 |
Applications & Benefits
- Chemical: Valves, pumps, reactors, heat exchangers, storage tanks handling acids and caustics.
- Marine: Propeller shafts, seawater piping, fasteners, underwater drilling rigs, shipbuilding.
- Oil & Gas: Pipelines, drill collars, valve bodies in sour gas and hydrofluoric acid service.
- Pharma: Mixing tanks, reactors, cleaning system parts, food-grade storage under acidic conditions.
- Power: Heat exchangers, condensers, power plant piping and high-velocity water systems.
- Fabrication/Supply: Spares, OEM builds, urgent and high-durability industrial requirements.
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
Monel 400 Round Bars from Aurico Alloys LLP unite best-in-class corrosion resistance, workability, and mechanical integrity for chemical, oil & gas, marine, pharma, power, and hardware supply industries fully backed by global standards and rapid delivery. Could your critical projects gain new uptime and reliability with Monel 400’s proven performance?