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CR012A Copper vs. AWS E409Nb

CR012A copper belongs to the copper alloys classification, while AWS E409Nb 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 CR012A copper and the bottom bar is AWS E409Nb.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
23
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 43
76
Tensile Strength: Ultimate (UTS), MPa 220
500
Tensile Strength: Yield (Proof), MPa 130
380

Thermal Properties

Latent Heat of Fusion, J/g 210
280
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 390
25
Thermal Expansion, µm/m-K 17
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 100
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
13
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
2.9
Embodied Energy, MJ/kg 42
42
Embodied Water, L/kg 360
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
380
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 6.8
18
Strength to Weight: Bending, points 9.0
18
Thermal Diffusivity, mm2/s 110
6.8
Thermal Shock Resistance, points 7.8
14

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
11 to 14
Copper (Cu), % 99.85 to 99.94
0 to 0.75
Iron (Fe), % 0
80.2 to 88.5
Manganese (Mn), % 0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 0
0 to 0.6
Niobium (Nb), % 0
0.5 to 1.5
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