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C26000 Brass vs. S82121 Stainless Steel

C26000 brass belongs to the copper alloys classification, while S82121 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C26000 brass and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 2.5 to 66
28
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 41
78
Shear Strength, MPa 230 to 390
470
Tensile Strength: Ultimate (UTS), MPa 320 to 680
730
Tensile Strength: Yield (Proof), MPa 110 to 570
510

Thermal Properties

Latent Heat of Fusion, J/g 180
290
Maximum Temperature: Mechanical, °C 140
1020
Melting Completion (Liquidus), °C 950
1430
Melting Onset (Solidus), °C 920
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 28
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 31
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 25
14
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 45
40
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 6.1 to 420
180
Resilience: Unit (Modulus of Resilience), kJ/m3 51 to 1490
660
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 11 to 23
26
Strength to Weight: Bending, points 13 to 21
23
Thermal Diffusivity, mm2/s 38
4.0
Thermal Shock Resistance, points 11 to 23
20

Alloy Composition

Bismuth (Bi), % 0 to 0.0059
0
Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 68.5 to 71.5
0.2 to 1.2
Iron (Fe), % 0 to 0.050
66.7 to 75.4
Lead (Pb), % 0 to 0.070
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Zinc (Zn), % 28.1 to 31.5
0
Residuals, % 0 to 0.3
0