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SAE-AISI A2 Steel vs. CR003A Copper

SAE-AISI A2 steel belongs to the iron alloys classification, while CR003A copper belongs to the copper alloys. There are 23 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 A2 steel and the bottom bar is CR003A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
120
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 74
43
Tensile Strength: Ultimate (UTS), MPa 710 to 2040
230

Thermal Properties

Latent Heat of Fusion, J/g 260
210
Melting Completion (Liquidus), °C 1450
1090
Melting Onset (Solidus), °C 1410
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 38
380
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
100
Electrical Conductivity: Equal Weight (Specific), % IACS 9.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 5.5
31
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 2.7
2.6
Embodied Energy, MJ/kg 38
41
Embodied Water, L/kg 73
310

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 25 to 73
7.1
Strength to Weight: Bending, points 23 to 46
9.3
Thermal Diffusivity, mm2/s 10
110
Thermal Shock Resistance, points 25 to 71
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
Carbon (C), % 1.0 to 1.1
0
Chromium (Cr), % 4.8 to 5.5
0
Copper (Cu), % 0 to 0.25
99.954 to 100
Iron (Fe), % 89.4 to 93.3
0 to 0.0010
Lead (Pb), % 0
0 to 0.00050
Manganese (Mn), % 0 to 1.0
0
Molybdenum (Mo), % 0.9 to 1.4
0
Nickel (Ni), % 0 to 0.3
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.030
0
Selenium (Se), % 0
0 to 0.00020
Silicon (Si), % 0 to 0.5
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
Vanadium (V), % 0.15 to 0.5
0