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CR023A Copper vs. AWS ER90S-B9

CR023A copper belongs to the copper alloys classification, while AWS ER90S-B9 belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is CR023A copper and the bottom bar is AWS ER90S-B9.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
18
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
75
Tensile Strength: Ultimate (UTS), MPa 220
690
Tensile Strength: Yield (Proof), MPa 130
470

Thermal Properties

Latent Heat of Fusion, J/g 210
270
Melting Completion (Liquidus), °C 1090
1450
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 380
25
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.1

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
2.6
Embodied Energy, MJ/kg 41
37
Embodied Water, L/kg 320
91

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
570
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
25
Strength to Weight: Bending, points 9.0
22
Thermal Diffusivity, mm2/s 110
6.9
Thermal Shock Resistance, points 7.8
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.070 to 0.13
Chromium (Cr), % 0
8.0 to 10.5
Copper (Cu), % 99.9 to 99.995
0 to 0.2
Iron (Fe), % 0
84.4 to 90.7
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
0.85 to 1.2
Nickel (Ni), % 0
0 to 0.8
Niobium (Nb), % 0
0.020 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0.0050 to 0.013
0 to 0.010
Silicon (Si), % 0
0.15 to 0.5
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0 to 0.010
Vanadium (V), % 0
0.15 to 0.3
Residuals, % 0
0 to 0.5