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SAE-AISI 8660 Steel vs. C48200 Brass

SAE-AISI 8660 steel belongs to the iron alloys classification, while C48200 brass 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 C48200 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 12
15 to 40
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Shear Strength, MPa 390
260 to 300
Tensile Strength: Ultimate (UTS), MPa 660
400 to 500
Tensile Strength: Yield (Proof), MPa 550
160 to 320

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
120
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
26
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
29

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
23
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
2.7
Embodied Energy, MJ/kg 20
47
Embodied Water, L/kg 50
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 73
61 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 800
120 to 500
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 23
14 to 17
Strength to Weight: Bending, points 21
15 to 17
Thermal Diffusivity, mm2/s 10
38
Thermal Shock Resistance, points 19
13 to 16

Alloy Composition

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 to 0.1
Lead (Pb), % 0
0.4 to 1.0
Manganese (Mn), % 0.75 to 1.0
0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0
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
0.5 to 1.0
Zinc (Zn), % 0
35.5 to 40.1
Residuals, % 0
0 to 0.4