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S31266 Stainless Steel vs. C87400 Brass

S31266 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 (5, in this case) are not shown.

For each property being compared, the top bar is S31266 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, % 40
21
Poisson's Ratio 0.28
0.33
Shear Modulus, GPa 81
41
Tensile Strength: Ultimate (UTS), MPa 860
390
Tensile Strength: Yield (Proof), MPa 470
160

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
170
Melting Completion (Liquidus), °C 1470
920
Melting Onset (Solidus), °C 1420
820
Specific Heat Capacity, J/kg-K 460
400
Thermal Conductivity, W/m-K 12
28
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
6.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
7.2

Otherwise Unclassified Properties

Base Metal Price, % relative 37
27
Density, g/cm3 8.2
8.3
Embodied Carbon, kg CO2/kg material 6.5
2.7
Embodied Energy, MJ/kg 89
44
Embodied Water, L/kg 220
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
65
Resilience: Unit (Modulus of Resilience), kJ/m3 540
120
Stiffness to Weight: Axial, points 14
7.4
Stiffness to Weight: Bending, points 24
19
Strength to Weight: Axial, points 29
13
Strength to Weight: Bending, points 24
14
Thermal Diffusivity, mm2/s 3.1
8.3
Thermal Shock Resistance, points 18
14

Alloy Composition

Aluminum (Al), % 0
0 to 0.8
Carbon (C), % 0 to 0.030
0
Chromium (Cr), % 23 to 25
0
Copper (Cu), % 1.0 to 2.5
79 to 85.5
Iron (Fe), % 34.1 to 46
0
Lead (Pb), % 0
0 to 1.0
Manganese (Mn), % 2.0 to 4.0
0
Molybdenum (Mo), % 5.2 to 6.2
0
Nickel (Ni), % 21 to 24
0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0
Silicon (Si), % 0 to 1.0
2.5 to 4.0
Sulfur (S), % 0 to 0.020
0
Tungsten (W), % 1.5 to 2.5
0
Zinc (Zn), % 0
12 to 16
Residuals, % 0
0 to 0.8