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SAE-AISI S4 Steel vs. C84500 Brass

SAE-AISI S4 steel belongs to the iron alloys classification, while C84500 brass belongs to the copper alloys. There are 23 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S4 steel and the bottom bar is C84500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Poisson's Ratio 0.29
0.34
Shear Modulus, GPa 72
39
Tensile Strength: Ultimate (UTS), MPa 670 to 2140
240

Thermal Properties

Latent Heat of Fusion, J/g 280
180
Melting Completion (Liquidus), °C 1430
980
Melting Onset (Solidus), °C 1390
840
Specific Heat Capacity, J/kg-K 480
360
Thermal Conductivity, W/m-K 44
72
Thermal Expansion, µm/m-K 13
19

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
16
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
28
Density, g/cm3 7.7
8.7
Embodied Carbon, kg CO2/kg material 2.0
2.9
Embodied Energy, MJ/kg 29
47
Embodied Water, L/kg 48
340

Common Calculations

Stiffness to Weight: Axial, points 13
6.6
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 24 to 77
7.7
Strength to Weight: Bending, points 22 to 48
9.8
Thermal Diffusivity, mm2/s 12
23
Thermal Shock Resistance, points 20 to 65
8.6

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.25
Carbon (C), % 0.5 to 0.65
0
Chromium (Cr), % 0.1 to 0.5
0
Copper (Cu), % 0
77 to 79
Iron (Fe), % 95.2 to 96.9
0 to 0.4
Lead (Pb), % 0
6.0 to 7.5
Manganese (Mn), % 0.6 to 1.0
0
Nickel (Ni), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 1.8 to 2.3
0 to 0.0050
Sulfur (S), % 0 to 0.030
0 to 0.080
Tin (Sn), % 0
2.0 to 4.0
Vanadium (V), % 0.15 to 0.35
0
Zinc (Zn), % 0
10 to 14
Residuals, % 0
0 to 0.7