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C85900 Brass vs. S31266 Stainless Steel

C85900 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 (6, in this case) are not shown.

For each property being compared, the top bar is C85900 brass and the bottom bar is S31266 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 30
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
81
Tensile Strength: Ultimate (UTS), MPa 460
860
Tensile Strength: Yield (Proof), MPa 190
470

Thermal Properties

Latent Heat of Fusion, J/g 170
310
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 830
1470
Melting Onset (Solidus), °C 790
1420
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 89
12
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 25
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 28
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 24
37
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 2.9
6.5
Embodied Energy, MJ/kg 49
89
Embodied Water, L/kg 330
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
290
Resilience: Unit (Modulus of Resilience), kJ/m3 170
540
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
24
Strength to Weight: Axial, points 16
29
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 29
3.1
Thermal Shock Resistance, points 16
18

Alloy Composition

Aluminum (Al), % 0.1 to 0.6
0
Antimony (Sb), % 0 to 0.2
0
Boron (B), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 58 to 62
1.0 to 2.5
Iron (Fe), % 0 to 0.5
34.1 to 46
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0 to 0.010
2.0 to 4.0
Molybdenum (Mo), % 0
5.2 to 6.2
Nickel (Ni), % 0 to 1.5
21 to 24
Nitrogen (N), % 0
0.35 to 0.6
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0 to 0.25
0 to 1.0
Sulfur (S), % 0.1 to 0.65
0 to 0.020
Tin (Sn), % 0 to 1.5
0
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 31 to 41
0
Zirconium (Zr), % 0 to 0.2
0
Residuals, % 0 to 0.7
0