
Monel 400 Flat Washers
🛠️ SSM Manufactures Monel 400 Flat Washers
SSM offers precision-manufactured Monel 400 flat washers designed for extreme environments requiring excellent corrosion resistance, strength, and durability. These washers are ideal for use in marine, chemical, oil & gas, and power generation industries.
🔧 Product Description:
| Item | Details |
|---|---|
| Material | Monel 400 (UNS N04400 / W.Nr. 2.4360) |
| Type | Flat washers (Plain washers) |
| Sizes | M3 to M100 or customized as per drawing/spec |
| Standards | DIN 125, DIN 9021, ASME B18.22.1, ISO 7089 |
| Hardness | Typically 65–150 HB (annealed condition) |
| Finish | Bright, pickled, or passivated |
| Tensile Strength | ~550 MPa (min, annealed) |
| Density | 8.80 g/cm³ |
| Magnetism | Non-magnetic in annealed condition |
| Temperature Range | -200°C to +550°C |
✅ Key Features
Outstanding resistance to seawater, acids (esp. hydrofluoric and sulfuric), and alkalis
Excellent performance in high-temperature and high-pressure environments
Good mechanical properties even at cryogenic temperatures
Non-sparking and non-magnetic properties ideal for sensitive applications
🌍 Applications
Flange assemblies in offshore/marine structures
Chemical processing plants
Heat exchanger and condenser systems
Aerospace and defense fastener systems
Valves, pumps, and instrumentation
Would you like a technical drawing, quotation, or sample availability for SSM's Monel 400 flat washers?
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