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C87800 Brass vs. S32803 Stainless Steel

C87800 brass belongs to the copper alloys classification, while S32803 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 C87800 brass and the bottom bar is S32803 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 25
18
Poisson's Ratio 0.33
0.27
Rockwell B Hardness 86
86
Shear Modulus, GPa 42
81
Tensile Strength: Ultimate (UTS), MPa 590
680
Tensile Strength: Yield (Proof), MPa 350
560

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1450
Melting Onset (Solidus), °C 820
1400
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 18
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 27
19
Density, g/cm3 8.3
7.7
Embodied Carbon, kg CO2/kg material 2.7
3.7
Embodied Energy, MJ/kg 44
53
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 540
760
Stiffness to Weight: Axial, points 7.4
15
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 20
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 8.3
4.4
Thermal Shock Resistance, points 21
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 0.015
Chromium (Cr), % 0
28 to 29
Copper (Cu), % 80 to 84.2
0
Iron (Fe), % 0 to 0.15
62.9 to 67.1
Lead (Pb), % 0 to 0.15
0
Magnesium (Mg), % 0 to 0.010
0
Manganese (Mn), % 0 to 0.15
0 to 0.5
Molybdenum (Mo), % 0
1.8 to 2.5
Nickel (Ni), % 0 to 0.2
3.0 to 4.0
Niobium (Nb), % 0
0.15 to 0.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 3.8 to 4.2
0 to 0.55
Sulfur (S), % 0 to 0.050
0 to 0.0035
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0