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C71500 Copper-nickel vs. ACI-ASTM CG12 Steel

C71500 copper-nickel belongs to the copper alloys classification, while ACI-ASTM CG12 steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is C71500 copper-nickel and the bottom bar is ACI-ASTM CG12 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 140
200
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 52
78
Tensile Strength: Ultimate (UTS), MPa 380 to 620
550

Thermal Properties

Latent Heat of Fusion, J/g 230
300
Maximum Temperature: Mechanical, °C 260
1040
Melting Completion (Liquidus), °C 1240
1410
Melting Onset (Solidus), °C 1170
1370
Specific Heat Capacity, J/kg-K 400
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 4.6
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 4.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 41
18
Density, g/cm3 8.9
7.8
Embodied Carbon, kg CO2/kg material 5.1
3.3
Embodied Energy, MJ/kg 74
48
Embodied Water, L/kg 280
160

Common Calculations

Stiffness to Weight: Axial, points 8.6
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 12 to 19
20
Strength to Weight: Bending, points 13 to 18
19
Thermal Diffusivity, mm2/s 7.7
4.0
Thermal Shock Resistance, points 12 to 20
12

Alloy Composition

Carbon (C), % 0
0 to 0.12
Chromium (Cr), % 0
20 to 23
Copper (Cu), % 63.5 to 70.6
0
Iron (Fe), % 0.4 to 1.0
60.3 to 70
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 29 to 33
10 to 13
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 2.0
Sulfur (S), % 0
0 to 0.040
Zinc (Zn), % 0 to 1.0
0
Residuals, % 0 to 0.5
0