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SAE-AISI T2 Steel vs. CR018A Copper

SAE-AISI T2 steel belongs to the iron alloys classification, while CR018A 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 T2 steel and the bottom bar is CR018A 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 79
43
Tensile Strength: Ultimate (UTS), MPa 780 to 2150
220

Thermal Properties

Latent Heat of Fusion, J/g 250
210
Melting Completion (Liquidus), °C 1820
1090
Melting Onset (Solidus), °C 1760
1040
Specific Heat Capacity, J/kg-K 410
390
Thermal Conductivity, W/m-K 19
390
Thermal Expansion, µm/m-K 12
17

Otherwise Unclassified Properties

Base Metal Price, % relative 46
33
Density, g/cm3 9.3
9.0
Embodied Carbon, kg CO2/kg material 11
2.7
Embodied Energy, MJ/kg 170
42
Embodied Water, L/kg 98
360

Common Calculations

Stiffness to Weight: Axial, points 12
7.2
Stiffness to Weight: Bending, points 21
18
Strength to Weight: Axial, points 23 to 64
6.8
Strength to Weight: Bending, points 20 to 40
9.0
Thermal Diffusivity, mm2/s 4.9
110
Thermal Shock Resistance, points 23 to 65
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.8 to 0.9
0
Chromium (Cr), % 3.8 to 4.5
0
Copper (Cu), % 0 to 0.25
99.914 to 99.94
Iron (Fe), % 70.8 to 75.8
0
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0 to 1.0
0
Nickel (Ni), % 0 to 0.3
0
Phosphorus (P), % 0 to 0.030
0
Silicon (Si), % 0.2 to 0.4
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.030
0
Tungsten (W), % 17.5 to 19
0
Vanadium (V), % 1.8 to 2.4
0