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CR022A Copper vs. SAE-AISI M4 Steel

CR022A copper belongs to the copper alloys classification, while SAE-AISI M4 steel belongs to the iron 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 CR022A copper and the bottom bar is SAE-AISI M4 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 230
770 to 2150

Thermal Properties

Latent Heat of Fusion, J/g 210
260
Melting Completion (Liquidus), °C 1090
1610
Melting Onset (Solidus), °C 1040
1560
Specific Heat Capacity, J/kg-K 390
440
Thermal Conductivity, W/m-K 380
25
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
25
Density, g/cm3 9.0
8.3
Embodied Carbon, kg CO2/kg material 2.6
14
Embodied Energy, MJ/kg 41
210
Embodied Water, L/kg 310
110

Common Calculations

Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
23
Strength to Weight: Axial, points 7.1
26 to 72
Strength to Weight: Bending, points 9.3
23 to 45
Thermal Diffusivity, mm2/s 110
6.9
Thermal Shock Resistance, points 8.1
24 to 68

Alloy Composition

Antimony (Sb), % 0 to 0.00040
0
Arsenic (As), % 0 to 0.00050
0
Bismuth (Bi), % 0 to 0.00020
0
Cadmium (Cd), % 0 to 0.00010
0
Carbon (C), % 0
1.3 to 1.4
Chromium (Cr), % 0
3.8 to 4.8
Copper (Cu), % 99.99 to 99.999
0 to 0.25
Iron (Fe), % 0 to 0.0010
75.9 to 81.4
Lead (Pb), % 0 to 0.00050
0
Manganese (Mn), % 0 to 0.00050
0.15 to 0.4
Molybdenum (Mo), % 0
4.3 to 5.5
Nickel (Ni), % 0 to 0.0010
0 to 0.3
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.030
Selenium (Se), % 0 to 0.00020
0
Silicon (Si), % 0
0.2 to 0.45
Silver (Ag), % 0 to 0.0025
0
Sulfur (S), % 0 to 0.0015
0 to 0.030
Tellurium (Te), % 0 to 0.00020
0
Tin (Sn), % 0 to 0.00020
0
Tungsten (W), % 0
5.3 to 6.5
Vanadium (V), % 0
3.8 to 4.5
Zinc (Zn), % 0 to 0.00010
0