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CR012A Copper vs. SAE-AISI 50B50 Steel

CR012A copper belongs to the copper alloys classification, while SAE-AISI 50B50 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is CR012A copper and the bottom bar is SAE-AISI 50B50 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
22
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
590
Tensile Strength: Yield (Proof), MPa 130
370

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
410
Melting Completion (Liquidus), °C 1090
1460
Melting Onset (Solidus), °C 1040
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
45
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 33
2.0
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 360
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
370
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
21
Strength to Weight: Bending, points 9.0
20
Thermal Diffusivity, mm2/s 110
12
Thermal Shock Resistance, points 7.8
17

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Boron (B), % 0
0.00050 to 0.0030
Carbon (C), % 0
0.48 to 0.53
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 99.85 to 99.94
0
Iron (Fe), % 0
97.4 to 98.2
Manganese (Mn), % 0
0.75 to 1.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0.060 to 0.080
0
Sulfur (S), % 0
0 to 0.040