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C66200 Brass vs. S82121 Stainless Steel

C66200 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 (5, in this case) are not shown.

For each property being compared, the top bar is C66200 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, % 8.0 to 15
28
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
78
Shear Strength, MPa 270 to 300
470
Tensile Strength: Ultimate (UTS), MPa 450 to 520
730
Tensile Strength: Yield (Proof), MPa 410 to 480
510

Thermal Properties

Latent Heat of Fusion, J/g 200
290
Maximum Temperature: Mechanical, °C 180
1020
Melting Completion (Liquidus), °C 1070
1430
Melting Onset (Solidus), °C 1030
1380
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 150
15
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 35
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 36
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 29
14
Density, g/cm3 8.7
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.8
Embodied Energy, MJ/kg 43
40
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 66
180
Resilience: Unit (Modulus of Resilience), kJ/m3 760 to 1030
660
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 14 to 17
26
Strength to Weight: Bending, points 15 to 16
23
Thermal Diffusivity, mm2/s 45
4.0
Thermal Shock Resistance, points 16 to 18
20

Alloy Composition

Carbon (C), % 0
0 to 0.035
Chromium (Cr), % 0
21 to 23
Copper (Cu), % 86.6 to 91
0.2 to 1.2
Iron (Fe), % 0 to 0.050
66.7 to 75.4
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0
1.0 to 2.5
Molybdenum (Mo), % 0
0.3 to 1.3
Nickel (Ni), % 0.3 to 1.0
2.0 to 4.0
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0.050 to 0.2
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0
0 to 0.010
Tin (Sn), % 0.2 to 0.7
0
Zinc (Zn), % 6.5 to 12.9
0
Residuals, % 0 to 0.5
0