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C32000 Brass vs. S38100 Stainless Steel

C32000 brass belongs to the copper alloys classification, while S38100 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 C32000 brass and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 6.8 to 29
45
Poisson's Ratio 0.33
0.28
Shear Modulus, GPa 41
76
Shear Strength, MPa 180 to 280
400
Tensile Strength: Ultimate (UTS), MPa 270 to 470
580
Tensile Strength: Yield (Proof), MPa 78 to 390
230

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Maximum Temperature: Mechanical, °C 170
970
Melting Completion (Liquidus), °C 1020
1400
Melting Onset (Solidus), °C 990
1350
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 160
15
Thermal Expansion, µm/m-K 19
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 36
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 37
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 28
20
Density, g/cm3 8.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
3.8
Embodied Energy, MJ/kg 42
54
Embodied Water, L/kg 310
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 59
210
Resilience: Unit (Modulus of Resilience), kJ/m3 28 to 680
140
Stiffness to Weight: Axial, points 7.1
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 8.8 to 15
21
Strength to Weight: Bending, points 11 to 16
20
Thermal Diffusivity, mm2/s 47
4.0
Thermal Shock Resistance, points 9.5 to 16
13

Alloy Composition

Carbon (C), % 0
0 to 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 83.5 to 86.5
0
Iron (Fe), % 0 to 0.1
57.9 to 64
Lead (Pb), % 1.5 to 2.2
0
Manganese (Mn), % 0
0 to 2.0
Nickel (Ni), % 0 to 0.25
17.5 to 18.5
Phosphorus (P), % 0
0 to 0.030
Silicon (Si), % 0
1.5 to 2.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 10.6 to 15
0
Residuals, % 0 to 0.4
0