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Monel R-405

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  • Monel R-405
  • Monel R-405
  • Monel R-405
  • Monel R-405
  • Monel R-405

›

Monel R-405
Phone : +86 13791102120
WhatsApp : +86 13791102120
Email : admin@dongtesteelgroup.com
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Product Description
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.

Monel R405 Features

Resistant to seawater and steam at high temperatures
Excellent resistance to rapidly flowing brackish water or seawater
Excellent resistance to stress corrosion cracking in most freshwaters
Particularly resistant to hydrochloric and hydrofluoric acids when they are de-aerated
Offers some resistance to hydrochloric and sulfuric acids at modest temperatures and concentrations, but is seldom the material of choice for these acids
Excellent resistance to neutral and alkaline salt
Resistance to chloride induced stress corrosion cracking
Good mechanical properties from sub-zero temperatures up to 1020° F

High resistance to alkalis

Monel R405 Applications

  • 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

Monel R405 Chemical Composition

ElementsContent (%)
Nickel, Ni63
Copper, Cu28-34
Iron, Fe2.50
Manganese, Mn2
Carbon, C0.30
Silicon, Si0.50
Sulfur, S0.025 - 0.060

Monel R405 Physical Properties

PropertiesMetricImperial
Density8.80 g/cm³0.318 lb/in³
Melting point1338°C2440°F

Monel R405 Mechanical Properties

PropertiesMetricImperial
Tensile Strength (annealed)550 MPa79800 psi
Yield strength (@ strain 0.200%, annealed)240 MPa34800 psi
Elongation at break (annealed)40%40%

Monel R405 Thermal Properties

PropertiesMetricImperial
Thermal expansion co-efficient (@ 20-100°C/68-212°F)13.7 µm/m°C7.61 µin/in°F
Thermal conductivity21.8 W/mK151 BTU in/hr.ft².°F

Other Designations

Other designations that are equivalent to Monel(r) R-405 include:
AMS 4674
ASTM B164 CLASS B
ASTM F467
ASTM F468
QQ N281
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