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CR016A Copper vs. SAE-AISI 4320 Steel

CR016A copper belongs to the copper alloys classification, while SAE-AISI 4320 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 CR016A copper and the bottom bar is SAE-AISI 4320 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
21 to 29
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 230
570 to 790
Tensile Strength: Yield (Proof), MPa 140
430 to 460

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
420
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
46
Thermal Expansion, µm/m-K 17
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 98
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 99
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 35
3.4
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.7
1.7
Embodied Energy, MJ/kg 42
22
Embodied Water, L/kg 390
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 31
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 83
480 to 560
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 7.1
20 to 28
Strength to Weight: Bending, points 9.3
19 to 24
Thermal Diffusivity, mm2/s 110
13
Thermal Shock Resistance, points 8.1
19 to 27

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.17 to 0.22
Chromium (Cr), % 0
0.4 to 0.6
Copper (Cu), % 99.843 to 99.919
0
Iron (Fe), % 0
95.8 to 97
Manganese (Mn), % 0
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
1.7 to 2.0
Phosphorus (P), % 0.0010 to 0.0070
0 to 0.035
Silicon (Si), % 0
0.15 to 0.35
Silver (Ag), % 0.080 to 0.12
0
Sulfur (S), % 0
0 to 0.040