Monel
What is Monel?
Monel is a group of nickel-copper alloys known for their superior corrosion resistance, high strength, and excellent durability in harsh environments. Typically containing about 65-70% nickel and 20-29% copper, Monel also includes small amounts of iron, manganese, carbon, and silicon.
Asiad Steel Industries is a trusted supplier of premium Monel products, offering customized grades and dimensions to meet specific industrial requirements.
Key Features
Thermal
Stability
Durable
Construction
Precision
Finish
Wide
Compatibility
Corrosion
Resistant
Specifications
| Specification Category | Parameter / Feature | Details / Options |
|---|---|---|
| Size Range | Nominal Size | 10 mm × 10 mm to 500 mm × 500 mm (custom sizes available) |
| Pressure Ratings | ANSI / ASME Class | Class 150, 300, 600, 900, 1500, 2500 |
| PN Ratings | PN6, PN10, PN16, PN25, PN40, PN64 | |
| Product Types | Monel Pipes | ERW & Seamless, standard wall thickness |
| Monel Sheets / Plates | 2B, Hot Rolled, Matt, Mirror Finish, Coloured | |
| Monel Rods / Bars | Round, Hex, Square | |
| Monel Fittings | Elbows, Tees, Reducers, Couplings | |
| Material Options | Monel Grades | Monel 400, Monel K500 |
| Other Alloys | Nickel-Copper Alloys, Inconel (optional) | |
| Standards & Certifications | ASTM | ASTM B127, ASTM B165, ASTM B446, ASTM B564 |
| ASME / ANSI | ASME B36.10, ASME B36.19 | |
| European Standards | EN 10204, EN 10210 | |
| Certifications | ISO 9001, PED 2014/68/EU, NACE MR0175, AS9100 | |
| Design Features | Wall Thickness | As per ASTM / EN standards, customized options available |
| End Connections | Plain Ends, Beveled Ends | |
| Tolerance | As per ASTM / ASME / EN standards | |
| Coating & Surface Finish | Anti-Corrosion Coating | Passivation, Nickel Plating |
| Optional Coatings | PTFE, PVD, Anodizing | |
| Surface Finish | Mill Finish, Pickled, Polished, Bead Blasted | |
| Testing & Inspection | Pressure Testing | Hydrostatic, Pneumatic |
| Non-Destructive Testing | Radiography (RT), Ultrasonic (UT), Dye Penetrant (DPT) | |
| Destructive Testing | Tensile, Hardness, Impact |
Mechanical Properties
| Property | Value | Unit / Standard |
|---|---|---|
| Tensile Strength | 450 – 750 | MPa (Monel 400, Monel K500) |
| Yield Strength | 150 – 400 | MPa |
| Hardness | 100 – 220 | HB (Brinell) |
| Elongation | ≥ 25 – 40 | % |
| Density | 8.8 – 8.9 | g/cm³ |
| Impact Toughness | ≥ 30 – 80 | J (Charpy, grade-dependent) |
| Modulus of Elasticity (E) | ~200 | GPa |
| Fatigue Strength | 220 – 450 | MPa |
| Corrosion Resistance | Excellent | – |
| Thermal Conductivity | 11 – 22 | W/m·K |
| Coefficient of Thermal Expansion | 12 – 14 ×10⁻⁶ | /°C |
| Yield Ratio (YS/UTS) | 0.35 – 0.60 | – |
| Poisson’s Ratio | 0.29 – 0.31 | – |
| Brinell Hardness Range | 100 – 220 | HB |
| Surface Finish | Mill, Pickled, Polished | – |
| Welding Type | TIG, MIG, Resistance | – |
| Operating Temperature Range | -200 to 400 | °C (grade-dependent) |
| Pressure Rating | Class 150, 300, 600, 900, 1500, 2500 | ASME B16.5 Standards |
Chemical Composition
| Element | Monel 400 (%) | Monel K500 (%) |
|---|---|---|
| Nickel (Ni) | 63.0 min | 63.0 min |
| Copper (Cu) | 28.0 – 34.0 | 27.0 – 33.0 |
| Iron (Fe) | 2.5 max | 2.0 max |
| Manganese (Mn) | 2.0 max | 1.5 max |
| Silicon (Si) | 0.50 max | 0.50 max |
| Carbon (C) | 0.30 max | 0.25 max |
| Sulfur (S) | 0.024 max | 0.010 max |
| Aluminum (Al) | — | 2.3 – 3.15 |
| Titanium (Ti) | — | 0.35 max |
| Other Elements | — | ≤ 2.0 (total) |
Applications of Monel
Construction &
Infrastructure
Automotive & Heavy
Equipment
Manufacturing &
Fabrication
Medical & Laboratory
Equipment
Electrical &
Electronics Assembly
Oil, Gas & Petrochemical
Installations
Do you have questions?
Its exceptional resistance to saltwater corrosion and biofouling makes Monel ideal for marine systems and offshore structures.
Monel 400 is slightly magnetic at room temperature, while Monel K500 is more magnetic due to added nickel and aluminum.
Yes, but it requires slow speeds and rigid tools due to its work-hardening properties.
Yes, Monel can be welded using gas tungsten arc welding and metal arc welding with appropriate filler metals.