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Annealed Monel K-500

Annealed Monel K-500 is Monel K-500 in the annealed condition. It has the lowest strength compared to the other variants of Monel K-500. The graph bars on the material properties cards below compare annealed Monel K-500 to: wrought nickels (top), all nickel alloys (middle), and the entire database (bottom). A full bar means this is the highest value in the relevant set. A half-full bar means it's 50% of the highest, and so on.

Mechanical Properties

Elastic (Young's, Tensile) Modulus

160 GPa 23 x 106 psi

Elongation at Break

34 %

Fatigue Strength

260 MPa 38 x 103 psi

Poisson's Ratio

0.32

Rockwell B Hardness

85

Shear Modulus

61 GPa 8.8 x 106 psi

Shear Strength

430 MPa 62 x 103 psi

Tensile Strength: Ultimate (UTS)

640 MPa 93 x 103 psi

Tensile Strength: Yield (Proof)

310 MPa 45 x 103 psi

Thermal Properties

Curie Temperature

-67 °C -89 °F

Latent Heat of Fusion

270 J/g

Maximum Temperature: Mechanical

900 °C 1650 °F

Melting Completion (Liquidus)

1350 °C 2460 °F

Melting Onset (Solidus)

1320 °C 2400 °F

Specific Heat Capacity

440 J/kg-K 0.11 BTU/lb-°F

Thermal Conductivity

18 W/m-K 11 BTU/h-ft-°F

Thermal Expansion

14 µm/m-K

Electrical Properties

Electrical Conductivity: Equal Volume

3.1 % IACS

Electrical Conductivity: Equal Weight (Specific)

3.2 % IACS

Otherwise Unclassified Properties

Base Metal Price

50 % relative

Calomel Potential

-100 mV

Density

8.7 g/cm3 540 lb/ft3

Embodied Carbon

8.1 kg CO2/kg material

Embodied Energy

120 MJ/kg 50 x 103 BTU/lb

Embodied Water

280 L/kg 33 gal/lb

Common Calculations

Resilience: Ultimate (Unit Rupture Work)

180 MJ/m3

Resilience: Unit (Modulus of Resilience)

300 kJ/m3

Stiffness to Weight: Axial

10 points

Stiffness to Weight: Bending

21 points

Strength to Weight: Axial

21 points

Strength to Weight: Bending

19 points

Thermal Diffusivity

4.8 mm2/s

Thermal Shock Resistance

21 points

Alloy Composition

Nickel (Ni)Ni 63 to 70.4
Copper (Cu)Cu 27 to 33
Aluminum (Al)Al 2.3 to 3.2
Iron (Fe)Fe 0 to 2.0
Manganese (Mn)Mn 0 to 1.5
Titanium (Ti)Ti 0.35 to 0.85
Silicon (Si)Si 0 to 0.5
Carbon (C)C 0 to 0.18
Sulfur (S)S 0 to 0.010

All values are % weight. Ranges represent what is permitted under applicable standards.

Followup Questions

Further Reading

ASM Specialty Handbook: Nickel, Cobalt, and Their Alloys, Joseph R. Davis (editor), 2000

Machining of Stainless Steels and Super Alloys: Traditional and Nontraditional Techniques, Helmi A. Youssef, 2016

Engineering Properties of Nickel and Nickel Alloys, John L. Everhart, 1971

Nickel Alloys, Ulrich Heubner (editor), 1998