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S32750 Stainless Steel vs. C87400 Brass

S32750 stainless steel belongs to the iron alloys classification, while C87400 brass belongs to the copper 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 S32750 stainless steel and the bottom bar is C87400 brass.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
110
Elongation at Break, % 17
21
Poisson's Ratio 0.27
0.33
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 860
390
Tensile Strength: Yield (Proof), MPa 590
160

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1450
920
Melting Onset (Solidus), °C 1400
820
Specific Heat Capacity, J/kg-K 480
400
Thermal Conductivity, W/m-K 15
28
Thermal Expansion, µm/m-K 12
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 21
27
Density, g/cm3 7.8
8.3
Embodied Carbon, kg CO2/kg material 4.1
2.7
Embodied Energy, MJ/kg 56
44
Embodied Water, L/kg 180
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
65
Resilience: Unit (Modulus of Resilience), kJ/m3 860
120
Stiffness to Weight: Axial, points 15
7.4
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 31
13
Strength to Weight: Bending, points 26
14
Thermal Diffusivity, mm2/s 4.0
8.3
Thermal Shock Resistance, points 25
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 0 to 0.5
79 to 85.5
Iron (Fe), % 58.1 to 66.8
0
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 0 to 1.2
0
Molybdenum (Mo), % 3.0 to 5.0
0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 0.8
2.5 to 4.0
Sulfur (S), % 0 to 0.020
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8