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SAE-AISI M44 Steel vs. C71500 Copper-nickel

SAE-AISI M44 steel belongs to the iron alloys classification, while C71500 copper-nickel belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M44 steel and the bottom bar is C71500 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
140
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 78
52
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
380 to 620

Thermal Properties

Latent Heat of Fusion, J/g 270
230
Melting Completion (Liquidus), °C 1590
1240
Melting Onset (Solidus), °C 1540
1170
Specific Heat Capacity, J/kg-K 440
400
Thermal Conductivity, W/m-K 14
28
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 43
41
Density, g/cm3 8.4
8.9
Embodied Carbon, kg CO2/kg material 9.9
5.1
Embodied Energy, MJ/kg 150
74
Embodied Water, L/kg 170
280

Common Calculations

Stiffness to Weight: Axial, points 13
8.6
Stiffness to Weight: Bending, points 23
19
Strength to Weight: Axial, points 28 to 75
12 to 19
Strength to Weight: Bending, points 24 to 46
13 to 18
Thermal Diffusivity, mm2/s 3.7
7.7
Thermal Shock Resistance, points 27 to 70
12 to 20

Alloy Composition

Carbon (C), % 1.1 to 1.2
0
Chromium (Cr), % 4.0 to 4.8
0
Cobalt (Co), % 11 to 12.3
0
Copper (Cu), % 0 to 0.25
63.5 to 70.6
Iron (Fe), % 65.3 to 70.6
0.4 to 1.0
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0.2 to 0.4
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 0 to 0.3
29 to 33
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.3 to 0.55
0
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5