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CR021A Copper vs. SAE-AISI T5 Steel

CR021A copper belongs to the copper alloys classification, while SAE-AISI T5 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 CR021A copper and the bottom bar is SAE-AISI T5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
210
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
80
Tensile Strength: Ultimate (UTS), MPa 230
860 to 2140

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Melting Completion (Liquidus), °C 1090
1810
Melting Onset (Solidus), °C 1040
1750
Specific Heat Capacity, J/kg-K 390
410
Thermal Conductivity, W/m-K 380
21
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 31
60
Density, g/cm3 9.0
9.4
Embodied Carbon, kg CO2/kg material 2.6
11
Embodied Energy, MJ/kg 41
170
Embodied Water, L/kg 320
140

Common Calculations

Stiffness to Weight: Axial, points 7.2
12
Stiffness to Weight: Bending, points 18
21
Strength to Weight: Axial, points 7.1
25 to 63
Strength to Weight: Bending, points 9.3
21 to 39
Thermal Diffusivity, mm2/s 110
5.5
Thermal Shock Resistance, points 8.1
26 to 66

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.75 to 0.85
Chromium (Cr), % 0
3.8 to 5.0
Cobalt (Co), % 0
7.0 to 9.5
Copper (Cu), % 99.95 to 99.998
0 to 0.25
Iron (Fe), % 0
60.6 to 68.3
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.2 to 0.4
Molybdenum (Mo), % 0
0.5 to 1.3
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0.0020 to 0.0070
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030
Tungsten (W), % 0
17.5 to 19
Vanadium (V), % 0
1.8 to 2.4