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SAE-AISI 8660 Steel vs. C87200 Bronze

SAE-AISI 8660 steel belongs to the iron alloys classification, while C87200 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 C87200 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
85
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
30
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 73
43
Tensile Strength: Ultimate (UTS), MPa 660
380
Tensile Strength: Yield (Proof), MPa 550
170

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 410
200
Melting Completion (Liquidus), °C 1450
970
Melting Onset (Solidus), °C 1410
860
Specific Heat Capacity, J/kg-K 470
410
Thermal Conductivity, W/m-K 39
28
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
6.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
29
Density, g/cm3 7.8
8.6
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
44
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
93
Resilience: Unit (Modulus of Resilience), kJ/m3 800
130
Stiffness to Weight: Axial, points 13
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23
12
Strength to Weight: Bending, points 21
14
Thermal Diffusivity, mm2/s 10
8.0
Thermal Shock Resistance, points 19
14

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
89 to 99
Iron (Fe), % 96.4 to 97.6
0 to 2.5
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.75 to 1.0
0 to 1.5
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
Phosphorus (P), % 0 to 0.035
0 to 0.5
Silicon (Si), % 0.15 to 0.35
1.0 to 5.0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
0 to 5.0