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S39277 Stainless Steel vs. C87500 Brass

S39277 stainless steel belongs to the iron alloys classification, while C87500 brass belongs to the copper 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 S39277 stainless steel and the bottom bar is C87500 brass.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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