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C69400 Brass vs. S33550 Stainless Steel

C69400 brass belongs to the copper alloys classification, while S33550 stainless steel belongs to the iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is C69400 brass and the bottom bar is S33550 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
200
Elongation at Break, % 17
40
Poisson's Ratio 0.33
0.27
Shear Modulus, GPa 42
79
Shear Strength, MPa 350
470
Tensile Strength: Ultimate (UTS), MPa 570
680
Tensile Strength: Yield (Proof), MPa 270
310

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 170
1100
Melting Completion (Liquidus), °C 920
1400
Melting Onset (Solidus), °C 820
1360
Specific Heat Capacity, J/kg-K 410
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 18
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.2
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 6.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 27
24
Density, g/cm3 8.3
7.8
Embodied Carbon, kg CO2/kg material 2.7
4.3
Embodied Energy, MJ/kg 44
61
Embodied Water, L/kg 300
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
220
Resilience: Unit (Modulus of Resilience), kJ/m3 340
250
Stiffness to Weight: Axial, points 7.4
14
Stiffness to Weight: Bending, points 19
25
Strength to Weight: Axial, points 19
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 7.7
3.9
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0
0.040 to 0.1
Cerium (Ce), % 0
0.025 to 0.070
Chromium (Cr), % 0
25 to 28
Copper (Cu), % 80 to 83
0
Iron (Fe), % 0 to 0.2
48.8 to 58.2
Lanthanum (La), % 0
0.025 to 0.070
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 1.5
Nickel (Ni), % 0
16.5 to 20
Niobium (Nb), % 0
0.050 to 0.15
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0
0 to 0.040
Silicon (Si), % 3.5 to 4.5
0 to 1.0
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 11.5 to 16.5
0
Residuals, % 0 to 0.5
0