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C87900 Brass vs. S20161 Stainless Steel

C87900 brass belongs to the copper alloys classification, while S20161 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is S20161 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 25
46
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 480
980
Tensile Strength: Yield (Proof), MPa 240
390

Thermal Properties

Latent Heat of Fusion, J/g 190
330
Maximum Temperature: Mechanical, °C 130
870
Melting Completion (Liquidus), °C 930
1380
Melting Onset (Solidus), °C 900
1330
Specific Heat Capacity, J/kg-K 390
490
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
12
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 2.7
2.7
Embodied Energy, MJ/kg 46
39
Embodied Water, L/kg 320
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
360
Resilience: Unit (Modulus of Resilience), kJ/m3 270
390
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
26
Strength to Weight: Axial, points 17
36
Strength to Weight: Bending, points 17
29
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 16
22

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Antimony (Sb), % 0 to 0.050
0
Arsenic (As), % 0 to 0.050
0
Carbon (C), % 0
0 to 0.15
Chromium (Cr), % 0
15 to 18
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
65.6 to 73.9
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
4.0 to 6.0
Nickel (Ni), % 0 to 0.5
4.0 to 6.0
Nitrogen (N), % 0
0.080 to 0.2
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0.8 to 1.2
3.0 to 4.0
Sulfur (S), % 0 to 0.050
0 to 0.040
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0