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SAE-AISI 8655 Steel vs. CC754S Brass

SAE-AISI 8655 steel belongs to the iron alloys classification, while CC754S 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 8655 steel and the bottom bar is CC754S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
90
Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 23
11
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
40
Tensile Strength: Ultimate (UTS), MPa 620
320
Tensile Strength: Yield (Proof), MPa 410
160

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 410
120
Melting Completion (Liquidus), °C 1460
830
Melting Onset (Solidus), °C 1410
780
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 39
95
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
27
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
30

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
23
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 130
29
Resilience: Unit (Modulus of Resilience), kJ/m3 440
130
Stiffness to Weight: Axial, points 13
7.2
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 22
11
Strength to Weight: Bending, points 21
13
Thermal Diffusivity, mm2/s 10
31
Thermal Shock Resistance, points 18
10

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0.51 to 0.59
0
Chromium (Cr), % 0.4 to 0.6
0
Copper (Cu), % 0
57 to 63
Iron (Fe), % 96.4 to 97.6
0 to 0.7
Lead (Pb), % 0
0.5 to 2.5
Manganese (Mn), % 0.75 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0.4 to 0.7
0 to 1.0
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
30.2 to 42.5