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SAE-AISI 8660 Steel vs. C31600 Bronze

SAE-AISI 8660 steel belongs to the iron alloys classification, while C31600 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 C31600 bronze.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 12
6.7 to 28
Poisson's Ratio 0.29
0.33
Shear Modulus, GPa 73
42
Shear Strength, MPa 390
170 to 270
Tensile Strength: Ultimate (UTS), MPa 660
270 to 460
Tensile Strength: Yield (Proof), MPa 550
80 to 390

Thermal Properties

Latent Heat of Fusion, J/g 250
200
Maximum Temperature: Mechanical, °C 410
180
Melting Completion (Liquidus), °C 1450
1040
Melting Onset (Solidus), °C 1410
1010
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 39
140
Thermal Expansion, µm/m-K 13
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
32
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
33

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
29
Density, g/cm3 7.8
8.8
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
43
Embodied Water, L/kg 50
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
30 to 58
Resilience: Unit (Modulus of Resilience), kJ/m3 800
28 to 690
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 23
8.5 to 15
Strength to Weight: Bending, points 21
11 to 15
Thermal Diffusivity, mm2/s 10
42
Thermal Shock Resistance, points 19
9.4 to 16

Alloy Composition

Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
87.5 to 90.5
Iron (Fe), % 96.4 to 97.6
0 to 0.1
Lead (Pb), % 0
1.3 to 2.5
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0.7 to 1.2
Phosphorus (P), % 0 to 0.035
0.040 to 0.1
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Zinc (Zn), % 0
5.2 to 10.5
Residuals, % 0
0 to 0.4