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SAE-AISI 8660 Steel vs. CC491K Bronze

SAE-AISI 8660 steel belongs to the iron alloys classification, while CC491K bronze 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 CC491K bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
73
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
13
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 660
260
Tensile Strength: Yield (Proof), MPa 550
120

Thermal Properties

Latent Heat of Fusion, J/g 250
190
Maximum Temperature: Mechanical, °C 410
160
Melting Completion (Liquidus), °C 1450
980
Melting Onset (Solidus), °C 1410
900
Specific Heat Capacity, J/kg-K 470
370
Thermal Conductivity, W/m-K 39
71
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
15
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
31
Density, g/cm3 7.8
8.9
Embodied Carbon, kg CO2/kg material 1.5
3.1
Embodied Energy, MJ/kg 20
51
Embodied Water, L/kg 50
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
27
Resilience: Unit (Modulus of Resilience), kJ/m3 800
67
Stiffness to Weight: Axial, points 13
6.7
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 23
8.1
Strength to Weight: Bending, points 21
10
Thermal Diffusivity, mm2/s 10
22
Thermal Shock Resistance, points 19
9.3

Alloy Composition

Aluminum (Al), % 0
0 to 0.010
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
81 to 87
Iron (Fe), % 96.4 to 97.6
0 to 0.3
Lead (Pb), % 0
4.0 to 6.0
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0 to 2.0
Phosphorus (P), % 0 to 0.035
0 to 0.1
Silicon (Si), % 0.15 to 0.35
0 to 0.010
Sulfur (S), % 0 to 0.040
0 to 0.1
Tin (Sn), % 0
4.0 to 6.0
Zinc (Zn), % 0
4.0 to 6.0