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CR011A Copper vs. SAE-AISI 4620 Steel

CR011A copper belongs to the copper alloys classification, while SAE-AISI 4620 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 CR011A copper and the bottom bar is SAE-AISI 4620 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
16 to 27
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
490 to 680
Tensile Strength: Yield (Proof), MPa 130
350 to 550

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
1420
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 390
47
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 32
3.2
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.6
Embodied Energy, MJ/kg 42
22
Embodied Water, L/kg 340
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
100 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 76
330 to 800
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
17 to 24
Strength to Weight: Bending, points 9.0
18 to 22
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 7.8
15 to 20

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.17 to 0.22
Copper (Cu), % 99.88 to 99.97
0
Iron (Fe), % 0
96.4 to 97.4
Manganese (Mn), % 0
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.7 to 2.0
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0.030 to 0.050
0
Sulfur (S), % 0
0 to 0.040