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C68300 Brass vs. S39277 Stainless Steel

C68300 brass belongs to the copper alloys classification, while S39277 stainless steel belongs to the iron alloys. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is C68300 brass and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
200
Elongation at Break, % 15
28
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
80
Shear Strength, MPa 260
600
Tensile Strength: Ultimate (UTS), MPa 430
930
Tensile Strength: Yield (Proof), MPa 260
660

Thermal Properties

Latent Heat of Fusion, J/g 180
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 900
1460
Melting Onset (Solidus), °C 890
1410
Specific Heat Capacity, J/kg-K 390
470
Thermal Conductivity, W/m-K 120
16
Thermal Expansion, µm/m-K 20
13

Otherwise Unclassified Properties

Base Metal Price, % relative 23
23
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 2.8
4.2
Embodied Energy, MJ/kg 46
59
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
240
Resilience: Unit (Modulus of Resilience), kJ/m3 330
1070
Stiffness to Weight: Axial, points 7.3
14
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
33
Strength to Weight: Bending, points 16
27
Thermal Diffusivity, mm2/s 38
4.2
Thermal Shock Resistance, points 14
26

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.025
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 59 to 63
1.2 to 2.0
Iron (Fe), % 0
56.8 to 64.3
Lead (Pb), % 0 to 0.090
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), % 0.3 to 1.0
0 to 0.8
Sulfur (S), % 0
0 to 0.0020
Tin (Sn), % 0.050 to 0.2
0
Tungsten (W), % 0
0.8 to 1.2
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0 to 0.5
0