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CR020A Copper vs. SAE-AISI 1137 Steel

CR020A copper belongs to the copper alloys classification, while SAE-AISI 1137 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 CR020A copper and the bottom bar is SAE-AISI 1137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 120
190
Elongation at Break, % 15
11 to 17
Poisson's Ratio 0.34
0.29
Shear Modulus, GPa 43
73
Tensile Strength: Ultimate (UTS), MPa 220
700 to 760
Tensile Strength: Yield (Proof), MPa 130
370 to 650

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
51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 100
10
Electrical Conductivity: Equal Weight (Specific), % IACS 100
12

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.9
Density, g/cm3 9.0
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 320
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 29
81 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 76
360 to 1130
Stiffness to Weight: Axial, points 7.2
13
Stiffness to Weight: Bending, points 18
24
Strength to Weight: Axial, points 6.8
25 to 27
Strength to Weight: Bending, points 9.0
22 to 24
Thermal Diffusivity, mm2/s 110
14
Thermal Shock Resistance, points 7.8
21 to 23

Alloy Composition

Bismuth (Bi), % 0 to 0.00050
0
Carbon (C), % 0
0.32 to 0.39
Copper (Cu), % 99.95 to 99.999
0
Iron (Fe), % 0
97.8 to 98.3
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0
1.4 to 1.7
Phosphorus (P), % 0.0010 to 0.0060
0 to 0.040
Silver (Ag), % 0 to 0.015
0
Sulfur (S), % 0
0.080 to 0.13