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C87900 Brass vs. S38100 Stainless Steel

C87900 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 C87900 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, % 25
45
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 70
84
Shear Modulus, GPa 41
76
Tensile Strength: Ultimate (UTS), MPa 480
580
Tensile Strength: Yield (Proof), MPa 240
230

Thermal Properties

Latent Heat of Fusion, J/g 190
320
Maximum Temperature: Mechanical, °C 130
970
Melting Completion (Liquidus), °C 930
1400
Melting Onset (Solidus), °C 900
1350
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 24
20
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 46
54
Embodied Water, L/kg 320
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
210
Resilience: Unit (Modulus of Resilience), kJ/m3 270
140
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 17
21
Strength to Weight: Bending, points 17
20
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 16
13

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 0.080
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 63 to 69.2
0
Iron (Fe), % 0 to 0.4
57.9 to 64
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 2.0
Nickel (Ni), % 0 to 0.5
17.5 to 18.5
Phosphorus (P), % 0 to 0.010
0 to 0.030
Silicon (Si), % 0.8 to 1.2
1.5 to 2.5
Sulfur (S), % 0 to 0.050
0 to 0.030
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0