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ACI-ASTM CG12 Steel vs. C17500 Copper

ACI-ASTM CG12 steel belongs to the iron alloys classification, while C17500 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG12 steel and the bottom bar is C17500 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 40
6.0 to 30
Fatigue Strength, MPa 190
170 to 310
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 78
45
Tensile Strength: Ultimate (UTS), MPa 550
310 to 860
Tensile Strength: Yield (Proof), MPa 220
170 to 760

Thermal Properties

Latent Heat of Fusion, J/g 300
220
Maximum Temperature: Mechanical, °C 1040
220
Melting Completion (Liquidus), °C 1410
1060
Melting Onset (Solidus), °C 1370
1020
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 15
200
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
24 to 53
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
24 to 54

Otherwise Unclassified Properties

Base Metal Price, % relative 18
60
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.3
4.7
Embodied Energy, MJ/kg 48
73
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
30 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 120
120 to 2390
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 20
9.7 to 27
Strength to Weight: Bending, points 19
11 to 23
Thermal Diffusivity, mm2/s 4.0
59
Thermal Shock Resistance, points 12
11 to 29

Alloy Composition

Aluminum (Al), % 0
0 to 0.2
Beryllium (Be), % 0
0.4 to 0.7
Carbon (C), % 0 to 0.12
0
Chromium (Cr), % 20 to 23
0
Cobalt (Co), % 0
2.4 to 2.7
Copper (Cu), % 0
95.6 to 97.2
Iron (Fe), % 60.3 to 70
0 to 0.1
Manganese (Mn), % 0 to 1.5
0
Nickel (Ni), % 10 to 13
0
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.2
Sulfur (S), % 0 to 0.040
0
Residuals, % 0
0 to 0.5