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C87500 Brass vs. S31266 Stainless Steel

C87500 brass belongs to the copper alloys classification, while S31266 stainless steel belongs to the iron 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 C87500 brass and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 18
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 42
81
Tensile Strength: Ultimate (UTS), MPa 460
860
Tensile Strength: Yield (Proof), MPa 190
470

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1470
Melting Onset (Solidus), °C 820
1420
Specific Heat Capacity, J/kg-K 410
460
Thermal Conductivity, W/m-K 28
12
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 27
37
Density, g/cm3 8.3
8.2
Embodied Carbon, kg CO2/kg material 2.7
6.5
Embodied Energy, MJ/kg 44
89
Embodied Water, L/kg 300
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
290
Resilience: Unit (Modulus of Resilience), kJ/m3 160
540
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 16
29
Strength to Weight: Bending, points 16
24
Thermal Diffusivity, mm2/s 8.3
3.1
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
23 to 25
Copper (Cu), % 79 to 85
1.0 to 2.5
Iron (Fe), % 0
34.1 to 46
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 3.0 to 5.0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0