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C87500 Brass vs. S39277 Stainless Steel

C87500 brass belongs to the copper alloys classification, while S39277 stainless steel belongs to the iron alloys. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is C87500 brass and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
28
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
80
Tensile Strength: Ultimate (UTS), MPa 460
930
Tensile Strength: Yield (Proof), MPa 190
660

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1460
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 410
470
Thermal Conductivity, W/m-K 28
16
Thermal Expansion, µm/m-K 18
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 27
23
Density, g/cm3 8.3
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.2
Embodied Energy, MJ/kg 44
59
Embodied Water, L/kg 300
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
240
Resilience: Unit (Modulus of Resilience), kJ/m3 160
1070
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 16
33
Strength to Weight: Bending, points 16
27
Thermal Diffusivity, mm2/s 8.3
4.2
Thermal Shock Resistance, points 17
26

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 79 to 85
1.2 to 2.0
Iron (Fe), % 0
56.8 to 64.3
Lead (Pb), % 0 to 0.5
0
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0
0 to 0.025
Silicon (Si), % 3.0 to 5.0
0 to 0.8
Sulfur (S), % 0
0 to 0.0020
Tungsten (W), % 0
0.8 to 1.2
Zinc (Zn), % 12 to 16
0
Residuals, % 0 to 0.5
0