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CR004A Copper vs. SAE-AISI 1108 Steel

CR004A copper belongs to the copper alloys classification, while SAE-AISI 1108 steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is CR004A copper and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
23 to 34
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
380 to 440
Tensile Strength: Yield (Proof), MPa 130
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 210
250
Maximum Temperature: Mechanical, °C 200
400
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 380
52
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 100
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 9.0
7.9
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 41
18
Embodied Water, L/kg 320
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 76
130 to 340
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
13 to 16
Strength to Weight: Bending, points 9.0
15 to 16
Thermal Diffusivity, mm2/s 110
14
Thermal Shock Resistance, points 7.8
12 to 14

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.080 to 0.13
Copper (Cu), % 99.9 to 100
0
Iron (Fe), % 0
98.9 to 99.24
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
0.6 to 0.8
Oxygen (O), % 0 to 0.040
0
Phosphorus (P), % 0
0 to 0.040
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0.080 to 0.13