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ACI-ASTM CH20 Steel vs. C70400 Copper-nickel

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C70400 copper-nickel belongs to the copper alloys. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CH20 steel and the bottom bar is C70400 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
45
Tensile Strength: Ultimate (UTS), MPa 610
300 to 310
Tensile Strength: Yield (Proof), MPa 350
95 to 230

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1410
1120
Melting Onset (Solidus), °C 1430
1060
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
64
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
14
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
14

Otherwise Unclassified Properties

Base Metal Price, % relative 20
32
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.7
3.0
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Unit (Modulus of Resilience), kJ/m3 300
38 to 220
Stiffness to Weight: Axial, points 14
7.5
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
9.3 to 9.8
Strength to Weight: Bending, points 21
11 to 12
Thermal Diffusivity, mm2/s 3.7
18
Thermal Shock Resistance, points 15
10 to 11

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
89.8 to 93.6
Iron (Fe), % 54.7 to 66
1.3 to 1.7
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0.3 to 0.8
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
4.8 to 6.2
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 1.0
Residuals, % 0
0 to 0.5