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ACI-ASTM CH20 Steel vs. C70600 Copper-nickel

ACI-ASTM CH20 steel belongs to the iron alloys classification, while C70600 copper-nickel belongs to the copper alloys. There are 28 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 C70600 copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 38
3.0 to 34
Poisson's Ratio 0.27
0.34
Shear Modulus, GPa 78
46
Tensile Strength: Ultimate (UTS), MPa 610
290 to 570
Tensile Strength: Yield (Proof), MPa 350
63 to 270

Thermal Properties

Latent Heat of Fusion, J/g 310
220
Maximum Temperature: Mechanical, °C 1100
220
Melting Completion (Liquidus), °C 1410
1150
Melting Onset (Solidus), °C 1430
1100
Specific Heat Capacity, J/kg-K 480
390
Thermal Conductivity, W/m-K 14
44
Thermal Expansion, µm/m-K 15
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
9.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 20
33
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 3.7
3.4
Embodied Energy, MJ/kg 53
51
Embodied Water, L/kg 180
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
6.5 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 300
16 to 290
Stiffness to Weight: Axial, points 14
7.7
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 22
9.1 to 18
Strength to Weight: Bending, points 21
11 to 17
Thermal Diffusivity, mm2/s 3.7
13
Thermal Shock Resistance, points 15
9.8 to 19

Alloy Composition


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Carbon (C), % 0 to 0.2
0
Chromium (Cr), % 22 to 26
0
Copper (Cu), % 0
84.7 to 90
Iron (Fe), % 54.7 to 66
1.0 to 1.8
Lead (Pb), % 0
0 to 0.050
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
9.0 to 11
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