Common grades for Monel fittings include Monel 400, Monel K500, and Monel R405. Monel 400 is valued for its corrosion resistance and toughness, K500 offers higher strength due to age-hardening, and R405 is preferred where improved machinability is required. Monel grade fittings are available in various types, including elbows, tees, reducers, couplings, caps, unions, and stub ends. This wide range allows for flexible installation across different piping systems and industrial applications. The mechanical properties of Monel fittings include high tensile and yield strength, excellent ductility, and strong resistance to stress corrosion cracking. These characteristics allow the fittings to perform reliably under fluctuating pressures and harsh conditions.
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Monel Grade Fittings are manufactured from nickel-copper alloys known for their excellent corrosion resistance and mechanical strength. These fittings are widely used in piping systems where exposure to seawater, chemicals, and harsh industrial environments is common, ensuring long-term reliability and safety. Monel fittings provide outstanding resistance to corrosion in acidic, alkaline, and marine environments.
Fittings Grades
- Monel 400 (UNS N04400)
- Monel K500 (UNS N05500)
- Monel R405 (UNS N04405)
- Monel 404 (UNS N04404)
- Monel 502 (UNS N05502)
- Monel 501 (UNS N05501)
Features Of Fittings
- Excellent Weldability and Fabrication
- Resistance to Stress Corrosion Cracking
- Wide Range of Types and Sizes
- Long Service Life and Reliability
- High Mechanical Strength
- Excellent Corrosion Resistance
Applications Of Fittings
- Chemical Processing Industry
- Heat Exchangers and Condensers
- Aerospace Industry
- Power Generation Industry
- Offshore and Desalination Plants
- Chemical Storage and Handling
Specifications of Fittings
| Specification Parameter | Details / Options |
| Material / Grade | Monel 400, Monel K500, Monel R405, Monel 404 |
| UNS Designation | N04400, N05500, N04405, N04404 |
| Standards / Codes | ASTM B366, ASTM B564, ASME B16.9, MSS-SP-43 |
| Fitting Type | Elbows (45°, 90°, 180°), Tees (Equal / Reducing), Reducers (Concentric / Eccentric), Couplings, Caps, Unions, Stub Ends |
| Manufacturing Type | Seamless, Welded, Forged |
| Size Range | 1/2" NB to 48" NB (depending on fitting type) |
| Pressure Rating / Class | Class 150, 300, 600, 900, 1500, 2500 |
| Thread Type / Connection | Butt Weld, Socket Weld, Threaded, Flanged |
| Mechanical Properties | High tensile and yield strength, excellent creep and fatigue resistance |
| Corrosion Resistance | Outstanding resistance to seawater, acids, alkalis, and stress corrosion cracking |
| Temperature Range | -200°C to 600°C (grade-dependent) |
| Surface Finish | Pickled, Polished, As-Machined |
| Applications | Marine, Oil & Gas, Chemical Processing, Power Generation, Aerospace, Offshore |
| Documentation / Certification | Material Test Certificate (MTC), Chemical & Mechanical Test Reports, NACE / ISO compliance |