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C68400 Brass vs. S39277 Stainless Steel

C68400 brass belongs to the copper alloys classification, while S39277 stainless steel belongs to the iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is C68400 brass and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
250
Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 18
28
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 41
80
Shear Strength, MPa 330
600
Tensile Strength: Ultimate (UTS), MPa 540
930
Tensile Strength: Yield (Proof), MPa 310
660

Thermal Properties

Latent Heat of Fusion, J/g 210
300
Maximum Temperature: Mechanical, °C 130
1100
Melting Completion (Liquidus), °C 840
1460
Melting Onset (Solidus), °C 820
1410
Specific Heat Capacity, J/kg-K 400
470
Thermal Conductivity, W/m-K 66
16
Thermal Expansion, µm/m-K 20
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 87
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 99
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.7
4.2
Embodied Energy, MJ/kg 47
59
Embodied Water, L/kg 320
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
240
Resilience: Unit (Modulus of Resilience), kJ/m3 460
1070
Stiffness to Weight: Axial, points 7.5
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 19
33
Strength to Weight: Bending, points 19
27
Thermal Diffusivity, mm2/s 21
4.2
Thermal Shock Resistance, points 18
26

Alloy Composition

Aluminum (Al), % 0 to 0.5
0
Boron (B), % 0.0010 to 0.030
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 59 to 64
1.2 to 2.0
Iron (Fe), % 0 to 1.0
56.8 to 64.3
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0.2 to 1.5
0 to 0.8
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0.030 to 0.3
0 to 0.025
Silicon (Si), % 1.5 to 2.5
0 to 0.8
Sulfur (S), % 0
0 to 0.0020
Tin (Sn), % 0 to 0.5
0
Tungsten (W), % 0
0.8 to 1.2
Zinc (Zn), % 28.6 to 39.3
0
Residuals, % 0 to 0.5
0