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C70260 Copper vs. ACI-ASTM CB30 Steel

C70260 copper belongs to the copper alloys classification, while ACI-ASTM CB30 steel belongs to the iron alloys. There are 26 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 C70260 copper and the bottom bar is ACI-ASTM CB30 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 44
77
Tensile Strength: Ultimate (UTS), MPa 520 to 760
500
Tensile Strength: Yield (Proof), MPa 410 to 650
230

Thermal Properties

Latent Heat of Fusion, J/g 220
290
Maximum Temperature: Mechanical, °C 200
940
Melting Completion (Liquidus), °C 1060
1430
Melting Onset (Solidus), °C 1040
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 160
21
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 40 to 50
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 40 to 51
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
10
Density, g/cm3 8.9
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.3
Embodied Energy, MJ/kg 43
33
Embodied Water, L/kg 310
130

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 710 to 1810
140
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 16 to 24
18
Strength to Weight: Bending, points 16 to 21
18
Thermal Diffusivity, mm2/s 45
5.6
Thermal Shock Resistance, points 18 to 27
17

Alloy Composition

Carbon (C), % 0
0 to 0.3
Chromium (Cr), % 0
18 to 21
Copper (Cu), % 95.8 to 98.8
0 to 1.2
Iron (Fe), % 0
72.9 to 82
Manganese (Mn), % 0
0 to 1.0
Nickel (Ni), % 1.0 to 3.0
0 to 2.0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0.2 to 0.7
0 to 1.5
Sulfur (S), % 0
0 to 0.040
Residuals, % 0 to 0.5
0