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C85700 Brass vs. S82031 Stainless Steel

C85700 brass belongs to the copper alloys classification, while S82031 stainless steel belongs to the iron alloys. There are 28 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 C85700 brass and the bottom bar is S82031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 17
39
Poisson's Ratio 0.31
0.28
Shear Modulus, GPa 40
78
Tensile Strength: Ultimate (UTS), MPa 310
780
Tensile Strength: Yield (Proof), MPa 110
570

Thermal Properties

Latent Heat of Fusion, J/g 170
290
Maximum Temperature: Mechanical, °C 120
980
Melting Completion (Liquidus), °C 940
1430
Melting Onset (Solidus), °C 910
1390
Specific Heat Capacity, J/kg-K 380
480
Thermal Conductivity, W/m-K 84
15
Thermal Expansion, µm/m-K 21
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 22
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 25
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.8
Embodied Energy, MJ/kg 47
39
Embodied Water, L/kg 330
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41
280
Resilience: Unit (Modulus of Resilience), kJ/m3 59
820
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 11
28
Strength to Weight: Bending, points 13
24
Thermal Diffusivity, mm2/s 27
3.9
Thermal Shock Resistance, points 10
22

Alloy Composition

Aluminum (Al), % 0 to 0.8
0
Carbon (C), % 0
0 to 0.050
Chromium (Cr), % 0
19 to 22
Copper (Cu), % 58 to 64
0 to 1.0
Iron (Fe), % 0 to 0.7
68 to 78.3
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
0 to 2.5
Molybdenum (Mo), % 0
0.6 to 1.4
Nickel (Ni), % 0 to 1.0
2.0 to 4.0
Nitrogen (N), % 0
0.14 to 0.24
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 0 to 0.050
0 to 0.8
Sulfur (S), % 0
0 to 0.0050
Tin (Sn), % 0.5 to 1.5
0
Zinc (Zn), % 32 to 40
0
Residuals, % 0 to 1.3
0