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SAE-AISI 4161 Steel vs. CC765S Brass

SAE-AISI 4161 steel belongs to the iron alloys classification, while CC765S 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 4161 steel and the bottom bar is CC765S brass.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
130
Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 20
21
Poisson's Ratio 0.29
0.31
Shear Modulus, GPa 73
42
Tensile Strength: Ultimate (UTS), MPa 680
540
Tensile Strength: Yield (Proof), MPa 410
220

Thermal Properties

Latent Heat of Fusion, J/g 250
180
Maximum Temperature: Mechanical, °C 420
140
Melting Completion (Liquidus), °C 1460
860
Melting Onset (Solidus), °C 1410
820
Specific Heat Capacity, J/kg-K 470
400
Thermal Conductivity, W/m-K 43
91
Thermal Expansion, µm/m-K 12
20

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
30
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
34

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
24
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
3.0
Embodied Energy, MJ/kg 20
51
Embodied Water, L/kg 50
330

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
90
Resilience: Unit (Modulus of Resilience), kJ/m3 460
220
Stiffness to Weight: Axial, points 13
7.6
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 24
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 12
28
Thermal Shock Resistance, points 22
17

Alloy Composition

Aluminum (Al), % 0
0.5 to 2.5
Antimony (Sb), % 0
0 to 0.080
Carbon (C), % 0.56 to 0.64
0
Chromium (Cr), % 0.7 to 0.9
0
Copper (Cu), % 0
51 to 65
Iron (Fe), % 96.7 to 97.6
0.5 to 2.0
Lead (Pb), % 0
0 to 0.5
Manganese (Mn), % 0.75 to 1.0
0.3 to 3.0
Molybdenum (Mo), % 0.25 to 0.35
0
Nickel (Ni), % 0
0 to 6.0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.040
0
Tin (Sn), % 0
0 to 1.0
Zinc (Zn), % 0
19.8 to 47.7