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CR005A Copper vs. SAE-AISI A9 Steel

CR005A copper belongs to the copper alloys classification, while SAE-AISI A9 steel belongs to the iron 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 CR005A copper and the bottom bar is SAE-AISI A9 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
74
Tensile Strength: Ultimate (UTS), MPa 230
770 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
35
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
4.7
Embodied Energy, MJ/kg 41
70
Embodied Water, L/kg 320
82

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 7.1
28 to 73
Strength to Weight: Bending, points 9.3
24 to 46
Thermal Diffusivity, mm2/s 110
9.6
Thermal Shock Resistance, points 8.1
25 to 66

Alloy Composition

Carbon (C), % 0
0.45 to 0.55
Chromium (Cr), % 0
4.8 to 5.5
Copper (Cu), % 99.9 to 100
0 to 0.25
Iron (Fe), % 0
87 to 90.5
Manganese (Mn), % 0
0 to 0.5
Molybdenum (Mo), % 0
1.3 to 1.8
Nickel (Ni), % 0
1.3 to 1.8
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
1.0 to 1.2
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.030
Vanadium (V), % 0
0.8 to 1.4