Zeron Fastners
Monel 400 Nuts
Monel 400 Nuts are precision-machined threaded fasteners, fundamental for securing bolts and stud bolts in corrosive industrial environments. Manufactured from the reliable nickel-copper alloy Monel 400 (UNS N04400), Zeron Fasteners specializes in supplying these durable nuts, which are highly valued for their outstanding toughness and resistance to stress corrosion cracking in various acidic and alkaline solutions. The key characteristic of this product is its ability to maintain integrity and prevent galling even when paired with Monel 400 stud bolts in aggressive media like seawater and hydrofluoric acid. The main application of these Monel 400 Nuts is in critical high-pressure and high-temperature flange assemblies within marine vessels, chemical processing equipment, petroleum refineries, and heat exchangers, ensuring the longevity and safety of critical infrastructure.
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Monel 400 Nuts Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 63.0 min |
| Copper (Cu) | 28.0–34.0 |
| Iron (Fe) | 2.5 max |
| Manganese (Mn) | 2.0 max |
| Silicon (Si) | 0.5 max |
| Carbon (C) | 0.3 max |
| Sulfur (S) | 0.024 max |
Monel 400 Nuts Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (min) | 550 MPa (80 ksi) |
| Yield Strength (0.2% Offset min) | 240 MPa (35 ksi) |
| Elongation in 4D (min) | 35% |
| Hardness (Brinell max) | 175 HB |