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AWS E2209 vs. CR012A Copper

AWS E2209 belongs to the iron alloys classification, while CR012A copper belongs to the copper 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 AWS E2209 and the bottom bar is CR012A copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 23
15
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 79
43
Tensile Strength: Ultimate (UTS), MPa 770
220

Thermal Properties

Latent Heat of Fusion, J/g 300
210
Melting Completion (Liquidus), °C 1440
1090
Melting Onset (Solidus), °C 1390
1040
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 16
390
Thermal Expansion, µm/m-K 14
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
100
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
100

Otherwise Unclassified Properties

Base Metal Price, % relative 20
33
Density, g/cm3 7.8
9.0
Embodied Carbon, kg CO2/kg material 4.0
2.7
Embodied Energy, MJ/kg 55
42
Embodied Water, L/kg 170
360

Common Calculations

Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 27
6.8
Strength to Weight: Bending, points 24
9.0
Thermal Diffusivity, mm2/s 4.3
110
Thermal Shock Resistance, points 20
7.8

Alloy Composition

Bismuth (Bi), % 0
0 to 0.00050
Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 21.5 to 23.5
0
Copper (Cu), % 0 to 0.75
99.85 to 99.94
Iron (Fe), % 58.4 to 66.9
0
Manganese (Mn), % 0.5 to 2.0
0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 8.5 to 10.5
0
Nitrogen (N), % 0.080 to 0.2
0
Oxygen (O), % 0
0 to 0.040
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 1.0
0
Silver (Ag), % 0
0.060 to 0.080
Sulfur (S), % 0 to 0.030
0