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C68300 Brass vs. S32750 Stainless Steel

C68300 brass belongs to the copper alloys classification, while S32750 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 S32750 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
210
Elongation at Break, % 15
17
Poisson's Ratio 0.31
0.27
Shear Modulus, GPa 40
81
Shear Strength, MPa 260
530
Tensile Strength: Ultimate (UTS), MPa 430
860
Tensile Strength: Yield (Proof), MPa 260
590

Thermal Properties

Latent Heat of Fusion, J/g 180
300
Maximum Temperature: Mechanical, °C 120
1100
Melting Completion (Liquidus), °C 900
1450
Melting Onset (Solidus), °C 890
1400
Specific Heat Capacity, J/kg-K 390
480
Thermal Conductivity, W/m-K 120
15
Thermal Expansion, µm/m-K 20
12

Otherwise Unclassified Properties

Base Metal Price, % relative 23
21
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 2.8
4.1
Embodied Energy, MJ/kg 46
56
Embodied Water, L/kg 340
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 56
130
Resilience: Unit (Modulus of Resilience), kJ/m3 330
860
Stiffness to Weight: Axial, points 7.3
15
Stiffness to Weight: Bending, points 20
25
Strength to Weight: Axial, points 15
31
Strength to Weight: Bending, points 16
26
Thermal Diffusivity, mm2/s 38
4.0
Thermal Shock Resistance, points 14
25

Alloy Composition

Antimony (Sb), % 0.3 to 1.0
0
Cadmium (Cd), % 0 to 0.010
0
Carbon (C), % 0
0 to 0.030
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 59 to 63
0 to 0.5
Iron (Fe), % 0
58.1 to 66.8
Lead (Pb), % 0 to 0.090
0
Manganese (Mn), % 0
0 to 1.2
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
6.0 to 8.0
Nitrogen (N), % 0
0.24 to 0.32
Phosphorus (P), % 0
0 to 0.035
Silicon (Si), % 0.3 to 1.0
0 to 0.8
Sulfur (S), % 0
0 to 0.020
Tin (Sn), % 0.050 to 0.2
0
Zinc (Zn), % 34.2 to 40.4
0
Residuals, % 0 to 0.5
0