Nickel Alloys

Monel Alloy 400

Application & Characteristics 
Excellent corrosion resistance and high mechanical strength at temperatures to 1,200F. Specified for surgical instruments and for critical instrument parts exposed to salt water.
Chemical Composition (%)
Ni 66.0; C 0.12; Mn 0.90; Fe 1.35; S 0.005; Si 0.15; Cu 31.5
Physical Properties
Melting Range (°F)2370 – 2460
Density (lbs/in³) 68F0.319
Thermal Expansion (in/in °Fx10 to the power of -6)7.9
Electrical Resistivity (ohms/cir mil/ft.) 68F307
Mechanical Properties – Temper = A
Tensile Strength (psi x 10³)75
Yield Strength (psi x 10³)40
Elongation ( % )40
HardnessB70(Rockwell)
Mechanical Properties – Temper = H/2
Tensile Strength (psi x 10³)95
Yield Strength (psi x 10³)65
Elongation ( % )20
HardnessB85(Rockwell)
Mechanical Properties – Temper = H
Tensile Strength (psi x 10³)120
Yield Strength (psi x 10³)100
Elongation ( % )6
HardnessC20(Rockwell)

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