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SAE-AISI 8660 Steel vs. C48600 Brass

SAE-AISI 8660 steel belongs to the iron alloys classification, while C48600 brass belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8660 steel and the bottom bar is C48600 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 12
20 to 25
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
39
Shear Strength, MPa 390
180 to 230
Tensile Strength: Ultimate (UTS), MPa 660
280 to 360
Tensile Strength: Yield (Proof), MPa 550
110 to 170

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 410
120
Melting Completion (Liquidus), °C 1450
900
Melting Onset (Solidus), °C 1410
890
Specific Heat Capacity, J/kg-K 470
380
Thermal Conductivity, W/m-K 39
110
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
25
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
28

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
24
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.5
2.8
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 50
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
55 to 59
Resilience: Unit (Modulus of Resilience), kJ/m3 800
61 to 140
Stiffness to Weight: Axial, points 13
7.1
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23
9.5 to 12
Strength to Weight: Bending, points 21
12 to 14
Thermal Diffusivity, mm2/s 10
36
Thermal Shock Resistance, points 19
9.3 to 12

Alloy Composition

Arsenic (As), % 0
0.020 to 0.25
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
59 to 62
Iron (Fe), % 96.4 to 97.6
0
Lead (Pb), % 0
1.0 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
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0.15 to 0.35
0
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0.3 to 1.5
Zinc (Zn), % 0
33.4 to 39.7
Residuals, % 0
0 to 0.4