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C26000 Brass vs. S31266 Stainless Steel

C26000 brass belongs to the copper alloys classification, while S31266 stainless steel belongs to the iron alloys. There are 29 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 C26000 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, % 2.5 to 66
40
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
81
Shear Strength, MPa 230 to 390
590
Tensile Strength: Ultimate (UTS), MPa 320 to 680
860
Tensile Strength: Yield (Proof), MPa 110 to 570
470

Thermal Properties

Latent Heat of Fusion, J/g 180
310
Maximum Temperature: Mechanical, °C 140
1100
Melting Completion (Liquidus), °C 950
1470
Melting Onset (Solidus), °C 920
1420
Specific Heat Capacity, J/kg-K 390
460
Thermal Conductivity, W/m-K 120
12
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 31
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 25
37
Density, g/cm3 8.2
8.2
Embodied Carbon, kg CO2/kg material 2.7
6.5
Embodied Energy, MJ/kg 45
89
Embodied Water, L/kg 320
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
290
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
540
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
24
Strength to Weight: Axial, points 11 to 23
29
Strength to Weight: Bending, points 13 to 21
24
Thermal Diffusivity, mm2/s 38
3.1
Thermal Shock Resistance, points 11 to 23
18

Alloy Composition

Bismuth (Bi), % 0 to 0.0059
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
23 to 25
Copper (Cu), % 68.5 to 71.5
1.0 to 2.5
Iron (Fe), % 0 to 0.050
34.1 to 46
Lead (Pb), % 0 to 0.070
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), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.020
Tungsten (W), % 0
1.5 to 2.5
Zinc (Zn), % 28.1 to 31.5
0
Residuals, % 0 to 0.3
0