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CR023A Copper vs. AWS E385

CR023A copper belongs to the copper alloys classification, while AWS E385 belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is AWS E385.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
200
Elongation at Break, % 15
34
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
79
Tensile Strength: Ultimate (UTS), MPa 220
580

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Melting Completion (Liquidus), °C 1090
1440
Melting Onset (Solidus), °C 1040
1390
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 380
14
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 100
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 31
31
Density, g/cm3 9.0
8.1
Embodied Carbon, kg CO2/kg material 2.6
5.8
Embodied Energy, MJ/kg 41
79
Embodied Water, L/kg 320
200

Common Calculations

Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
20
Strength to Weight: Bending, points 9.0
19
Thermal Diffusivity, mm2/s 110
3.6
Thermal Shock Resistance, points 7.8
15

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
19.5 to 21.5
Copper (Cu), % 99.9 to 99.995
1.2 to 2.0
Iron (Fe), % 0
41.8 to 50.1
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
4.2 to 5.2
Nickel (Ni), % 0
24 to 26
Phosphorus (P), % 0.0050 to 0.013
0 to 0.030
Silicon (Si), % 0
0 to 0.9
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.020