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SAE-AISI 8660 Steel vs. CC380H Copper-nickel

SAE-AISI 8660 steel belongs to the iron alloys classification, while CC380H copper-nickel belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8660 steel and the bottom bar is CC380H copper-nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
80
Elastic (Young's, Tensile) Modulus, GPa 190
120
Elongation at Break, % 12
26
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
47
Tensile Strength: Ultimate (UTS), MPa 660
310
Tensile Strength: Yield (Proof), MPa 550
120

Thermal Properties

Latent Heat of Fusion, J/g 250
220
Maximum Temperature: Mechanical, °C 410
220
Melting Completion (Liquidus), °C 1450
1130
Melting Onset (Solidus), °C 1410
1080
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
46
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
11
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
36
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.8
Embodied Energy, MJ/kg 20
58
Embodied Water, L/kg 50
300

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
65
Resilience: Unit (Modulus of Resilience), kJ/m3 800
59
Stiffness to Weight: Axial, points 13
7.8
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23
9.8
Strength to Weight: Bending, points 21
12
Thermal Diffusivity, mm2/s 10
13
Thermal Shock Resistance, points 19
11

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
84.5 to 89
Iron (Fe), % 96.4 to 97.6
1.0 to 1.8
Lead (Pb), % 0
0 to 0.030
Manganese (Mn), % 0.75 to 1.0
1.0 to 1.5
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
9.0 to 11
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
0 to 0.5