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CR012A Copper vs. ACI-ASTM CB6 Steel

CR012A copper belongs to the copper alloys classification, while ACI-ASTM CB6 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
18
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
77
Tensile Strength: Ultimate (UTS), MPa 220
880
Tensile Strength: Yield (Proof), MPa 130
660

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Maximum Temperature: Mechanical, °C 200
870
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
17
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
12
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.5
Embodied Energy, MJ/kg 42
36
Embodied Water, L/kg 360
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
150
Resilience: Unit (Modulus of Resilience), kJ/m3 76
1110
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
32
Strength to Weight: Bending, points 9.0
26
Thermal Diffusivity, mm2/s 110
4.6
Thermal Shock Resistance, points 7.8
31

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.060
Chromium (Cr), % 0
15.5 to 17.5
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
74.4 to 81
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 5.5
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.030