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SAE-AISI M44 Steel vs. CR009A Copper

SAE-AISI M44 steel belongs to the iron alloys classification, while CR009A copper belongs to the copper alloys. There are 21 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI M44 steel and the bottom bar is CR009A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 78
43
Tensile Strength: Ultimate (UTS), MPa 870 to 2290
230

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Melting Completion (Liquidus), °C 1590
1090
Melting Onset (Solidus), °C 1540
1040
Specific Heat Capacity, J/kg-K 440
390
Thermal Conductivity, W/m-K 14
380
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 43
31
Density, g/cm3 8.4
9.0
Embodied Carbon, kg CO2/kg material 9.9
2.6
Embodied Energy, MJ/kg 150
41
Embodied Water, L/kg 170
310

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 23
18
Strength to Weight: Axial, points 28 to 75
7.1
Strength to Weight: Bending, points 24 to 46
9.3
Thermal Diffusivity, mm2/s 3.7
110
Thermal Shock Resistance, points 27 to 70
8.1

Alloy Composition

Antimony (Sb), % 0
0 to 0.00040
Arsenic (As), % 0
0 to 0.00050
Bismuth (Bi), % 0
0 to 0.00020
Cadmium (Cd), % 0
0 to 0.00010
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
99.99 to 100
Iron (Fe), % 65.3 to 70.6
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0.2 to 0.4
0 to 0.00050
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 0 to 0.3
0 to 0.0010
Phosphorus (P), % 0 to 0.030
0 to 0.0030
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0.3 to 0.55
0
Silver (Ag), % 0
0 to 0.0025
Sulfur (S), % 0 to 0.030
0 to 0.0015
Tellurium (Te), % 0
0 to 0.00020
Tin (Sn), % 0
0 to 0.00020
Tungsten (W), % 5.0 to 5.8
0
Vanadium (V), % 1.9 to 2.2
0
Zinc (Zn), % 0
0 to 0.00010