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SAE-AISI M4 Steel vs. Monel K-500

SAE-AISI M4 steel belongs to the iron alloys classification, while Monel K-500 belongs to the nickel alloys. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M4 steel and the bottom bar is Monel K-500.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
160
Poisson's Ratio 0.29
0.32
Shear Modulus, GPa 76
61
Tensile Strength: Ultimate (UTS), MPa 770 to 2150
640 to 1100

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1610
1350
Melting Onset (Solidus), °C 1560
1320
Specific Heat Capacity, J/kg-K 440
440
Thermal Conductivity, W/m-K 25
18
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Base Metal Price, % relative 25
50
Density, g/cm3 8.3
8.7
Embodied Carbon, kg CO2/kg material 14
8.1
Embodied Energy, MJ/kg 210
120
Embodied Water, L/kg 110
280

Common Calculations

Stiffness to Weight: Axial, points 13
10
Stiffness to Weight: Bending, points 23
21
Strength to Weight: Axial, points 26 to 72
21 to 35
Strength to Weight: Bending, points 23 to 45
19 to 27
Thermal Diffusivity, mm2/s 6.9
4.8
Thermal Shock Resistance, points 24 to 68
21 to 36

Alloy Composition

Aluminum (Al), % 0
2.3 to 3.2
Carbon (C), % 1.3 to 1.4
0 to 0.18
Chromium (Cr), % 3.8 to 4.8
0
Copper (Cu), % 0 to 0.25
27 to 33
Iron (Fe), % 75.9 to 81.4
0 to 2.0
Manganese (Mn), % 0.15 to 0.4
0 to 1.5
Molybdenum (Mo), % 4.3 to 5.5
0
Nickel (Ni), % 0 to 0.3
63 to 70.4
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.45
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.35 to 0.85
Tungsten (W), % 5.3 to 6.5
0
Vanadium (V), % 3.8 to 4.5
0

Comparable Variants