MONEL® Alloy R-405

MONEL® ALLOY R-405

The material is available in wire from .005 to 1 inch round in a variety of tempers and finishes. It is also available in cut lengths from .062 to 1 inch round up to 20 feet maximum. Please inquiry for further details 1-800-426-6380

Limiting Chemical Composition, %

Nia - 63.0 min.
Cu - 28.0-34.0
Fe - 2.5 max.
S - 0.025-0.060
Mn - 2.0 max.
C - 0.3 max.
Si - 0.5 max.
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aPlus Co.

Typical Mechanical Properties (Annealed)

Tensile Strength, psi •••••• 80,000
MPa •••••• 550
Yield Strength(0.2%Offset), psi •••••• 35,000
MPa •••••• 240
Elongation,% •••••• 40

Physical Constants and Thermal Properties

Density, Ib/in3 •••••• 0.318
g/cm3 •••••• 8.80
Melting Range, °F •••••• 2370 – 2460
°C •••••• 1300 – 1350
Specific Heat, Btu/lb •°F •••••• 0.102
J/kg • °C •••••• 427
Curie Temperature, °F •••••• 70 – 120
°C •••••• 20 – 50
Coefficient of Expansion, 70 – 200°F, 10-6 in/in • °F •••••• 7.6
21 – 93°C, μm/m • °C •••••• 13.7
Thermal Conductivity, Btu • in/ft2•h•°F •••••• 151
W/m• °C •••••• 21.8
Electrical Resistivity, ohm• circ mil/ft •••••• 307
μΩ•m •••••• 0.510

Specifications and Designation

UNS N04405
ASTM B 164
ASME SB-164,
Boiler Code Sections III, VIII
SAE AMS 4674,
7234 QQ-N-281
NACE MR-01-75