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C87500 Brass vs. S42300 Stainless Steel

C87500 brass belongs to the copper alloys classification, while S42300 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
9.1
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
77
Tensile Strength: Ultimate (UTS), MPa 460
1100
Tensile Strength: Yield (Proof), MPa 190
850

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 170
750
Melting Completion (Liquidus), °C 920
1470
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
25
Thermal Expansion, µm/m-K 18
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 27
9.5
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.2
Embodied Energy, MJ/kg 44
44
Embodied Water, L/kg 300
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
93
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1840
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
39
Strength to Weight: Bending, points 16
30
Thermal Diffusivity, mm2/s 8.3
6.8
Thermal Shock Resistance, points 17
40

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0.27 to 0.32
Chromium (Cr), % 0
11 to 12
Copper (Cu), % 79 to 85
0
Iron (Fe), % 0
82 to 85.1
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 0
0 to 0.5
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 3.0 to 5.0
0 to 0.5
Sulfur (S), % 0
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0