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C87500 Brass vs. S32304 Stainless Steel

C87500 brass belongs to the copper alloys classification, while S32304 stainless steel belongs to the iron alloys. There are 28 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 C87500 brass and the bottom bar is S32304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
28
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
79
Tensile Strength: Ultimate (UTS), MPa 460
670
Tensile Strength: Yield (Proof), MPa 190
460

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Mechanical, °C 170
1050
Melting Completion (Liquidus), °C 920
1420
Melting Onset (Solidus), °C 820
1380
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
15
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 27
14
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 44
40
Embodied Water, L/kg 300
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
170
Resilience: Unit (Modulus of Resilience), kJ/m3 160
520
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 16
22
Thermal Diffusivity, mm2/s 8.3
4.0
Thermal Shock Resistance, points 17
18

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
21.5 to 24.5
Copper (Cu), % 79 to 85
0.050 to 0.6
Iron (Fe), % 0
65 to 75.4
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0
0.050 to 0.6
Nickel (Ni), % 0
3.0 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.0 to 5.0
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0