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C87900 Brass vs. S32750 Stainless Steel

C87900 brass belongs to the copper alloys classification, while S32750 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is C87900 brass and the bottom bar is S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
210
Elongation at Break, % 25
17
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 41
81
Tensile Strength: Ultimate (UTS), MPa 480
860
Tensile Strength: Yield (Proof), MPa 240
590

Thermal Properties

Latent Heat of Fusion, J/g 190
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 930
1450
Melting Onset (Solidus), °C 900
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 15
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 17
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 24
21
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.1
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
130
Resilience: Unit (Modulus of Resilience), kJ/m3 270
860
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 17
26
Thermal Diffusivity, mm2/s 37
4.0
Thermal Shock Resistance, points 16
25

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 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 63 to 69.2
0 to 0.5
Iron (Fe), % 0 to 0.4
58.1 to 66.8
Lead (Pb), % 0 to 0.25
0
Manganese (Mn), % 0 to 0.15
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0 to 0.5
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0 to 0.010
0 to 0.035
Silicon (Si), % 0.8 to 1.2
0 to 0.8
Sulfur (S), % 0 to 0.050
0 to 0.020
Tin (Sn), % 0 to 0.25
0
Zinc (Zn), % 30 to 36
0