MONEL® alloy R405

Alloy-R-405

MONEL® Alloy R405 Product Introduction

MONEL® alloy R405 is a nickel-copper alloy known for its excellent corrosion resistance and high strength. This product introduction provides a comprehensive overview of its chemical composition, mechanical properties, performance across different temperatures, industry applications, shapes, sizes, production standards, standards and corresponding grades in different countries, welding, machining, polishing, heat treatment, cold working, advantages and disadvantages of materials, and similar products.

Chemical Composition

ElementComposition (%)
Nickel (Ni)63.0-70.0
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)0.025 max

MONEL® alloy R405 maintains high levels of nickel and copper, which contribute to its outstanding resistance to corrosion, particularly in marine and chemical environments.

Mechanical Properties

PropertyValue
Tensile Strength (Annealed)550 MPa (80 ksi) min
Yield Strength (Annealed)240 MPa (35 ksi) min
Elongation (Annealed)40% min
Hardness (Annealed)65-85 HRB

The mechanical properties of MONEL® alloy R405 make it suitable for various applications where strength and ductility are required.

Performance at Different Temperatures

Temperature RangePerformance
Room TemperatureExcellent corrosion resistance, good mechanical properties
Elevated Temperatures (up to 300°C / 570°F)Maintains strength and toughness
Cryogenic TemperaturesRetains ductility and toughness

MONEL® alloy R405 exhibits consistent performance across a wide range of temperatures, from cryogenic conditions to elevated temperatures.

Industry Applications

MONEL® alloy R405 is widely used in industries requiring corrosion resistance and high strength:

IndustryApplications
MarinePropeller shafts, seawater piping
Chemical ProcessingEquipment for handling acids and alkalis
Oil & GasPump shafts, valves, and fittings
AerospaceAircraft components, landing gear

Its reliability in corrosive environments makes it a preferred choice in marine and chemical processing applications.

Shapes, Sizes, and Production Standards

Shapes and Sizes
FormSize Range
SheetsThickness: 0.5 mm – 3 mm
PlatesThickness: 1 mm – 50 mm
BarsDiameter: 6 mm – 100 mm
PipesOD: 6 mm – 500 mm
TubesOD: 6 mm – 300 mm
Production Standards and Corresponding Grades
CountryStandardCorresponding Grade
United StatesASTM B164UNS N04404
GermanyDIN 177502.4867
FranceAFNOR NFM 87-310
United KingdomBS 3072, BS 3073NA12
JapanJIS NW 4400
ChinaGB/T 12771, GB/T 12770

MONEL® alloy R405 adheres to various international production standards, ensuring consistency and quality across different manufacturing processes.

Welding, Machining, Polishing, Heat Treatment, and Cold Working

ProcessDetails
WeldingWelds with matching composition filler metals. Suitable methods include gas tungsten arc welding (GTAW) and gas metal arc welding (GMAW).
MachiningRequires sharp tools and proper cooling. Carbide tools are recommended for turning and milling operations.
PolishingAchieves good surface finish with mechanical methods like buffing and polishing wheels. Chemical polishing is also effective.
Heat TreatmentAnnealing at 870°C (1600°F) followed by water quenching improves ductility and removes residual stresses.
Cold WorkingCan be cold worked to various degrees for shaping. Cold working increases strength and hardness.

MONEL® alloy R405 offers versatility in processing methods, facilitating its integration into complex engineering applications.

Advantages and Disadvantages

AspectAdvantagesDisadvantages
AdvantagesExcellent corrosion resistanceLimited availability in certain forms
High strength and toughnessMachining can be challenging
Good ductility and toughnessRelatively high cost compared to some alternatives
Suitable for marine and chemical processing applications

Similar Products

Material GradeComparison
Alloy K-500Similar composition with added aluminum and titanium for increased strength and hardness.

Conclusion

MONEL® alloy R405 is a reliable nickel-copper alloy renowned for its exceptional corrosion resistance, high strength, and versatility across various industries. Its robust mechanical properties and resistance to corrosive environments make it indispensable in marine, chemical processing, and aerospace applications. Engineers and designers seeking a durable material capable of withstanding harsh conditions can confidently choose MONEL® alloy R405 for optimal performance.

For further technical specifications and customized solutions, consulting with material suppliers and referencing specific product data sheets is recommended.