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C68100 Brass vs. S32101 Stainless Steel

C68100 brass belongs to the copper alloys classification, while S32101 stainless steel belongs to the iron alloys. There are 28 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 C68100 brass and the bottom bar is S32101 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 29
34
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 380
740
Tensile Strength: Yield (Proof), MPa 140
500

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
1000
Melting Completion (Liquidus), °C 890
1420
Melting Onset (Solidus), °C 870
1370
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 98
15
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 24
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 27
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
12
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 47
38
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86
230
Resilience: Unit (Modulus of Resilience), kJ/m3 94
640
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 13
27
Strength to Weight: Bending, points 15
24
Thermal Diffusivity, mm2/s 32
4.0
Thermal Shock Resistance, points 13
20

Alloy Composition

Aluminum (Al), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.040
Chromium (Cr), % 0
21 to 22
Copper (Cu), % 56 to 60
0.1 to 0.8
Iron (Fe), % 0.25 to 1.3
67.3 to 73.3
Lead (Pb), % 0 to 0.050
0
Manganese (Mn), % 0.010 to 0.5
4.0 to 6.0
Molybdenum (Mo), % 0
0.1 to 0.8
Nickel (Ni), % 0
1.4 to 1.7
Nitrogen (N), % 0
0.2 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0.040 to 0.15
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Tin (Sn), % 0.75 to 1.1
0
Zinc (Zn), % 36.4 to 43
0
Residuals, % 0 to 0.5
0