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C87400 Brass vs. S31266 Stainless Steel

C87400 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 C87400 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, % 21
40
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 390
860
Tensile Strength: Yield (Proof), MPa 160
470

Thermal Properties

Latent Heat of Fusion, J/g 250
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 400
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 7.2
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 310
220

Common Calculations

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

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 79 to 85.5
1.0 to 2.5
Iron (Fe), % 0
34.1 to 46
Lead (Pb), % 0 to 1.0
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), % 2.5 to 4.0
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 0.8
0