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SAE-AISI S6 Steel vs. CR021A Copper

SAE-AISI S6 steel belongs to the iron alloys classification, while CR021A 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 S6 steel and the bottom bar is CR021A 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 72
43
Tensile Strength: Ultimate (UTS), MPa 670 to 1920
230

Thermal Properties

Latent Heat of Fusion, J/g 290
210
Melting Completion (Liquidus), °C 1430
1090
Melting Onset (Solidus), °C 1390
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 41
380
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
98
Electrical Conductivity: Equal Weight (Specific), % IACS 8.9
99

Otherwise Unclassified Properties

Base Metal Price, % relative 3.2
31
Density, g/cm3 7.7
9.0
Embodied Carbon, kg CO2/kg material 2.3
2.6
Embodied Energy, MJ/kg 33
41
Embodied Water, L/kg 56
320

Common Calculations

Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24 to 70
7.1
Strength to Weight: Bending, points 22 to 45
9.3
Thermal Diffusivity, mm2/s 11
110
Thermal Shock Resistance, points 22 to 64
8.1

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0.4 to 0.5
0
Chromium (Cr), % 1.2 to 1.5
0
Copper (Cu), % 0 to 0.25
99.95 to 99.998
Iron (Fe), % 92.8 to 94.7
0
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 1.2 to 1.5
0
Molybdenum (Mo), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.030
0.0020 to 0.0070
Silicon (Si), % 2.0 to 2.5
0
Silver (Ag), % 0
0 to 0.015
Sulfur (S), % 0 to 0.030
0
Vanadium (V), % 0.2 to 0.4
0