About Alloy
Monel R405 (UNS N04405 / W.Nr. 2.4360, 2.4361 the free-machining version of Monel 400. A controlled amount of sulfur is added to the alloy to provide sulfide inclusions that act as chip breakers during machining. A Ni-Cu alloy with high strength and excellent resistance to a range of media including seawater, hydrofluoric and sulfuric acids, and alkalies. Used in marine and offshore engineering, chemical andhydrocarbon processing equipement, valves, pumps, shafts, fittings, fasteners, and heat exchangers.
Product Form
Bar,forging: AMS 4676, ASTM B865
Pipe and Tube: DIN 17751
Plate, Sheet, and Strip: DIN 17750
Chemical Composition
| Alloy | C | Si | Mn | P | S | Ni | Cu | Fe |
| Monel R-405 | ≤0.30 | ≤0.50 | ≤2.00 | ≤0.030 | 0.025-0.060 | ≥63.0 | 28.0-34.0 | ≤2.50 |
Property
| Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HRB |
| 8.5 | 1315-1350 | 1100 | 790 | 20 | / |
Application
● Marine engineering
● Chemical and hydrocarbon processing equipment
● Gasoline and freshwater tanks
● Crude petroleum stills
● De-aerating heaters
● Boiler feed water heaters and other heat exchangers
● Valves, pumps, shafts, fittings, and fasteners
● Industrial heat exchangers
● Chlorinated solvents
● Crude oil distillation towers
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