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ACI-ASTM CH20 Steel vs. C96900 Copper-nickel

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C96900 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 C96900 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 38
4.5
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
45
Tensile Strength: Ultimate (UTS), MPa 610
850
Tensile Strength: Yield (Proof), MPa 350
830

Thermal Properties

Latent Heat of Fusion, J/g 310
210
Maximum Temperature: Mechanical, °C 1100
210
Melting Completion (Liquidus), °C 1410
1060
Melting Onset (Solidus), °C 1430
960
Specific Heat Capacity, J/kg-K 480
380
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
39
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 3.7
4.6
Embodied Energy, MJ/kg 53
72
Embodied Water, L/kg 180
360

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
38
Resilience: Unit (Modulus of Resilience), kJ/m3 300
2820
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
27
Strength to Weight: Bending, points 21
23
Thermal Shock Resistance, points 15
30

Alloy Composition

Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
73.6 to 78
Iron (Fe), % 54.7 to 66
0 to 0.5
Lead (Pb), % 0
0 to 0.020
Magnesium (Mg), % 0
0 to 0.15
Manganese (Mn), % 0 to 1.5
0.050 to 0.3
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
14.5 to 15.5
Niobium (Nb), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
7.5 to 8.5
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5